Noun (National open university) Live 2019 POP Exam questions

[Bracet]

We are here again, I hope you all enjoyed the free TMA solutions shared on this forum.

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Please note, that exams questions will be available here 15mins to exam and it will be free.

keep refreshing this page 20mins to exam and invite your friends.

make sure you invite many of your friends because if we don't see much students on this site we won't post anything.

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
FACULTY OF SOCIAL SCIENCES
DEPARTMENT OF ECONOMICS
COURSE TITLE: APPLIED ECONOMETRICS I
COURSE CODE: ECO 453
UNITS: 2
TIME ALLOWED: 2HOURS
INSTRUCTION: ANSWER THREE (3) QUESTIONS. ALL QUESTIONS CARRY EQUAL MARKS. 1 MARK FOR CLARITY AND GOOD PRESENTATION.

QUESTION ONE
(a). Explain the concept of Applied Econometrics Research. (5.5 marks)
(b). State and explain the basic stages of an Econometric research. (10 marks)
(c). Write short notes on these three desirable properties of an estimator
(i). Unbiasedness. (2.5marks)
(ii). Efficiency. (2.5marks)
(iii). Consistency. (2.5marks)
TOTAL MARKS = 23

QUESTION TWO
(a). Discuss clearly the properties of a good econometric model. (12 marks)
(b). Clearly distinguish between economic research and econometric research. (6marks)
(c). Attempt a critique of an econometric research. (5 marks)
TOTAL MARKS = 23

QUESTION THREE
(a) Explain the assumptions of the linear stochastic model based on the random term. (12 marks)
(b) Discuss the assumptions of the linear stochastic model based on the explanatory variables.
(6 marks)
(c). What are the consequences of violation of the assumptions in (b)? (5 marks).
TOTAK MARKS = 23

QUESTION FOUR
(a) Distinguished clearly (with examples) between the following pair
(i). Type 1 Error and Type II Error. (4 marks)
(ii). Time series and panel data. (5 marks)
(iii). Simple linear model and Multiple linear model. (4 marks)
(b). What are the uses of random variable in a model? (10 marks)
TOTAK MARKS = 23

QUESTION FIVE
The following table includes income (X) and demand for cloth (Y) measured in arbitrary units of a consumer over 10years period

Period
1
2
3
4
5
6
7
8
9
10

Y
6
7
8
10
8
9
10
9
11
10

X1
50
52
55
59
57
58
62
65
68
70


Estimate the food function Y = b0 + b1X1 + u and interpret the result. (15 marks)
Compute the coefficient of determination (R-squared) and find the unexplained variation. (8 marks)

TOTAK MARKS = 23

 

[Bracet]

NATIONAL OPEN UNVERSITY OF NIGERIA

University Village, Plot 91, Cadastral Zone,

Nnamdi Azikiwe Expressway, Jabi, Abuja


FACULTY OF SCIENCES

APRIL 2019 EXAMINATION


Course Code: CIT311 Time Allowed: 3 Hours

Course Title: Computer Networks

Course Credit Unit: 3

Instruction: Answer Question 1 and any other four questions


Question 1

1. Mention any five properties that are desirable in a routing algorithm? (5 marks)
2. Give any five examples of domain names (5 marks)
3. Mention three kinds of interfaces that ATM interfaces supports? (3 marks)
4. Describe the basic operations of an ATM switch? (6 marks)
5. State the goals of the services of the network layer of the OSI model? (3 marks)

Question 2

1. In appropriate order, mention the seven layers of ISO OSI Reference Model (7 marks)
2. What is the difference between data rate and bandwidth? (5 marks)

Question 3

1. List six characteristics of an Electronic Mail (6 marks)
2. List and explain the three services provided by data link layer (6 marks)

Question 4

1. Computer networks have been classified into three, list and describe briefly these three main classifications (9 marks)
2. The BRI line provides two types of ISDN communications channels. Name them

(3 marks)

Question 5

1. Define the term routing algorithm (2 marks)
2. Describe any four fundamental differences between non–adaptive and adaptive routing algorithm? (4 marks)
3. Describe any six functions of a MODEM (6 marks)

Question 6

1. List four main tasks of the session layer (4 marks)
2. State five features of OSI Reference Model that distinguish it from TCP Reference Model

(5 marks)

1. Enumerate 3 different IEEE Standards for LAN configuration (3 marks)

 

[Oki]

Pls i need Eng321 and Eng353

 

[Guest]

I need cit311question 2pm Paper

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
DEPARTMENT OF POLITICAL SCIENCE
FACULTY OF SOCIAL SCIENCES
2019_1 Examination Questions

COURSE CODE: POL431
COURSE TITLE: THIRD WORLD DEPENDENCY AND DEVELOPMENT
CREDIT UNITS: 3 CREDIT UNITS
TIME ALLOWED: 3HOURS
INSTRUCTION: ANSWER FOUR QUESTIONS ONLY. All questions carry equal marks i.e. 17.5marks each.

1. Identify and explain the four phases of Imperialism base on different stages in the development of world capitalism. 17.5 Marks

2. Briefly explain the characteristics and dimensions of globalisation across international boundaries.17.5 Marks

3. Discuss the objectives of New Partnership for Africa’s Development (NEPAD) 17.5 Marks

4. a. What do you understand by good governance? 2.5 Marks
b. State five fundamental principles of governance. 15 Marks

5. Identify and explain three categories of groups that provide foreign aids in the world. 17.5 Marks

6. Describe the major characteristics that distinguished Third World Countries from Advanced Countries of the World. 17.5 Marks

 

[Bracet]

National Open University of Nigeria
Faculty of Social Sciences
Department of Political science
2019_1 POP Examinations
Course code: POL 311
Course Title: Contemporary Political Analysis
Credit Units: 3 Credit Units
Time Allowed: 3Hours
Instructions: Answer any Four (4) Questions of your choices. All questions carried
equal marks.

1. Identify and discuss the different types of contemporary political analysis (17.5 marks).

1. What is your understanding of Approaches as a tool for contemporary political Analysis? Explain three of such approaches (17.5 marks)

1. Why would you regard political science as a science? (17.5 marks)

1. Identify the five stages of modernization articulated by W.W. Rostow

1. “ Behavioral political science was anti – institutionalist in the sense that it was contextual, reductionist, utilitarian, functionist and instrumentalist” Discuss (17.5 marks)

6 What is system theory? What are the identifiable strengths and weakness of system theory? (17.5 marks)

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
DEPARTMENT OF CRIMINOLOGY AND SECURITY STUDIES
FACULTY OF SOCIAL SCIENCES
2019_1 EXAMINATION QUESTIONS

COURSE CODE: CSS755
COURSE TITLE: PATTERNS AND TRENDS OF CRIME IN NIGERIA
CREDIT UNIT: 3
TME ALLOWED: 3 HOURS
INSTRUCTION: ANSWER ANY FOUR QUESTIONS
.

1. What is crime?

How does legal definition of crime differ from the sociological definitions? 17.5%

1. Is crime statistics in Nigeria reliable? Explain17.5%

Suggest ways of improving the integrity of crime statistics

1. Identify and discuss the problems of the Nigeria police in

crime control and prevention. 17.5%

1. Scholars have identified four (4) categories of crime.

Identify and discuss any two with examples. 17.5%

1. Assassination is a recent phenomenon in Nigerian crime index. Discuss.17.5%

1. Discuss the challenges to law and law enforcement agents in Nigeria. 17.5%

 

[Guest]

NATIONAL OPEN UNIVERSITY OF NIGERIA

University Village, 91 Cadastral Zone, Nnamdi Azikwe Expressway, Jabi, Abuja

FACULTY OF SCIENCES

April 2019 Examination


COURSE CODE: CIT425

COURSE TITLE: Operations Research

CREDIT: 3 Units

TIME ALLOWED: 2½ Hours

INSTRUCTION: Answer Question ONE (1) and any other FOUR (4) Questions



Marking Guide

1a. . State four characteristics of Operation research and list any three limitations. (5 marks)

b. Explain the term model in operations research (6 marks)

d. Give four properties of linear programming model (LP). (4 marks)

e. List the three important terms in Dynamic programming that you have leant. (3 marks)

f. Give the steps for North-west Corner Methods. (4 marks)

2(a). Enumerate the types of models used in operations research. (9 marks)



b. Explain Cutting Plane Algorithm. (3 marks)

3a. Give eight applications of Linear Programming to Business. (8 marks)

b. Explain any four the assumptions of Linear Programming. (4 marks)

4. Solve the equation below:

Min Z = - 4x1 + x2 + 2x3

Subject to

2x1 – 3x2 + 2x3 < 12

-5x1 + 2x2 + 3x3 > 4

3x1 – 2x3 = -1

x1, x2, x3 > 0

(12 marks)

5(a) Explain the steps that are involved in the formulation and solution of Dynamic programming. (10 marks)


b. Explain Vogel’s Approximation Method as used in Linear Programming. (2 marks)

6. (a)

Project	Investment during year	PV of expected return
	1	2	3
P – 1	1000,000	600,00	500,00	800,00
P – 2	500,000	200,00	400,00	700,00
P – 3	300,000	250,00	350,00	400,00
P – 4	400,000	300,00	260,00	300,00
Funds for investment	18,00,000	10,00,000	800,000

An investment consultant has four projects with different investments and present value of expected returns. Funds available for investment during the three proposal are also available. The detailed information regarding the project is as follows.

Formulate an integer programming model for the consultant to make a decision as to which project should be accepted in order to maximize present value of expected return.

(6 marks)

b. A multinational Company (MNC) is planning to invest in four different projects in Business Process Outsourcing (BPO) industry in an important town of North. The details of the investment of MNC (in thousands of naira) are provided below:

Project	Present value of expected returns	Capital requirement for three years
		1	2	3
A	800	600	500	550
B	550	900	400	-
C	400	300	200	400
D	250	400	150	100
Funds available for investment	1500	1200	700	500

It is also know that projects A project C is acceptable due to technology constraints. Which project should the MNC accept to maximize their present value of expected returns and B are mutually exclusive? (6 marks)

 

[Bracet]

[h=2][/h]

NATIONAL OPEN UNIVERSITY OF NIGERIA
Faculty of Social Science
Department of Political Science
2019_1 POP Examination

Programme: Peace Studies and Conflict Resolution

COURSE CODE: PCR375
COURSE TITLE: LANGUAGE AND INFORMATION MANAGEMENT IN PEACE AND CONFLICT RESOLUTION
CREDIT UNIT: 3 CREDIT UNITS
TME ALLOWED: 3 HOURS
INSTRUCTION: Answer Any Four Questions

1. (a) Explain the nexus between listening and hearing as components of conflict resolution.

(b) Enumeratethe principles of listening in conflict resolution. (17.5 marks)

1. Explain the role of mass media in conflict resolution and peace-building.(17.5 marks)

1. Examine the factors determining effective communication in conflict transformation and peace-building. (17.5 marks)

1. Identify and explain various channels of communication (17.5 marks).

5. What is the importance of communication in conflict resolution and peace-building?(17.5 marks)

6. What are the ways by which a Mediator or Third-party can be an effective communicator? (17.5 marks)

 

[Bracet]

NATIONAL OPEN UNVERSITY OF NIGERIA
University Village, Plot 91, Cadastral Zone,
Nnamdi Azikiwe Expressway, Jabi, Abuja

FACULTY OF SCIENCES
APRIL/MAY, 2019 EXAMINATIONS
Course Code: CIT705
Course Title: Computer Applications in Business
Time Allowed: 2 Hours
Credit Unit: 2
Instruction: Answer Question 1 and any other three questions

Question 1

• State four advantages of Data Communication(4 marks)
• Describe the functions of the under listed objects in Microsoft Access(5 marks)

• Table ii)Query iii)Report iv) Form

v) Table Datasheet view

• List four general categories of business software with specialized vertical applications (4 marks)
• State three reasons for securing data or information in business (3 marks)
• Enumerate the factors to consider before buying computers for your business (4 marks)
• In our contemporary society, mention six types of business document that can be prepared using computer. (5 marks)

Question 2

• List the seven common categories of software products (7 marks)
• State the procedure of exporting Address book files to windows book file and any other address book format (8 marks)

Question 3

• Why do we use antivirus? Mention 4 Antivirus software you know (5 marks)
• State briefly the activities involved in designing a website (10 marks)

Question 4

• Outline the team members required to develop a web site and their roles(6 marks)
• State four ways of protecting your eyes while working on computers (4 marks)
• Mention five basic challenges affecting our manual running of day to day business(5 marks)

Question 5

• List and discuss four (4) examples of productivity software (8 marks)
• Mention three threats involved in using computers (7 marks)

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
University Village, Plot 91, Cadastral Zone,
NnamdiAzikiwe Expressway, Jabi, Abuja

FACULTY OF SCIENCES

APRIL 2019 EXAMINATION
Course Code: CIT832
Course Title: Operating Systems and Networking
Course Credit Unit: 2
Time Allowed: 2Hours
Instruction: Answer Question 1 and any other three (3) questions



Question 1:

• State and give the requirements of a secure distributed system3marks
• Differentiate between Network Operating System and Distributed Operating System? 4marks
• What are the major advantages of Distributed operating system?2marks
• Briefly explain Multiprocessor Operating Systems2marks
• List any four components used to connect two or more networks2marks
• Differentiate between Repeaters and Bridges, stating their feature and purpose4marks
• What is TFTP?(2 marks)
• What protocol is used in TFTP for data transport?(2 marks)
• How is TFTP session initiated? (2 marks)
• How is integrity maintained using TFTP? (2 marks each)

(25 marks)

Question 2:
a.) Compare multiprocessing and multiprogramming? (6 marks)

• List three protocols that are included in the TCP/IP suite of protocols.3marks
• Describe the following

• ICMP (2 marks)
• RIP and(2 marks)
• ARP/RARP? (2 marks)

Question 3

a What are the three main purposes of an operating system? (7 marks)

• Explain the main difficulty a programmer must overcome in writing an operating system for a real-time environment?(3 marks)
• To build a robust distributed system, you must know what kinds of failures that can occur.

• List three possible types of failure in a distributed system. (3 marks)
• Specify which of those in your list are applicable to a centralized system. (2 marks)

Question 4:
a. Name the system folders that are created in Windows 2000 to store program and data files; . (3marks)
b. In Windows 2000 Directories: Describe the following :

• My Document,
• My Computer and
• My Network Places?(6 marks)

c. What is a Forest? 2marks
d. What is Auditing in Windows 2000? 2marks
e. What specific events can be Auditing in Windows 2000? 2marks


Question 5:

• what is the function of each the following Linux command library and special characters:

cal, who, ^u, ^c, AD, Is –a (6marks)

• what are the contents of the following Linux Directories:

/dev, /etc, /lib (3 marks)

• What is the result of the following Linux File Manipulation Commands including their various options if any?(6 marks)

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
PLOT 91, CADASTRAL ZONE, NNAMDI AZIKIWE EXPRESSWAY, JABI - ABUJA
FACULTY OF SCIENCES
DEPARTMENT OF PURE AND APPLIED SCIENCE
2019_1 SEMESTER EXAMINATION
COURSE CODE: PHY 310
COURSE TITLE: ELECTRONICS II
CREDIT UNIT 2
TIME ALLOWED (2 HRS)
INSTRUCTION: Answer question 1 and any other three questions
QUESTION 1

• Define the following terms as they apply to power amplifiers:

i) Power Gain [2 marks]

• [2 marks]

( iii)Linearity[2 marks]
(iv) Noise Figure[2 marks]
(v)Output Dynamic Range[2 marks]

• Mention and briefly explain five basic passive filter types.[7.5 marks]
• What are the reasons why operational amplifier is recommended when a better regulation performance is required?[7.5 marks]

QUESTION 2

• Explain the term multistage amplifier.[7.5 marks]
• List the merits demerit of multistage amplifiers[7.5 marks]

QUESTION 3

• List 4 problems in telecommunication that can be solved by applying negative feedback to amplifiers [6 marks]
• Sketch three classes of power amplifiers and describe their operation?[9 marks]

QUESTION 4
(a) List the idealized parametric quantities of an operational amplifier?[4.5 marks]

(b) List three common problems associated with the common-emitter amplifier[4.5 marks]
(c) Why is the bandwidth of a common-emitter amplifier low and how is this overcome?[6 marks]

QUESTION 5
(a).What are the main characteristics of an amplifier? [7.5 marks]

(b). Highlight theproblems associated with the Common Emitter circuit. [7.5 marks]

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
Plot 91, Cadastral Zone, Nnamdi Azikiwe Expressway, Jabi, Abuja.
FACULTY OF SCIENCES
April/May Examination 2019
Course Code: MTH401
Course Title: General Topology 1
Credit Unit: 3
Time allowed: 3 HOURS
Total: 70 Marks
Instruction: ATTEMPT NUMBER ONE (1) AND ANY OTHER FOUR (4) QUESTIONS
1. (a) Define a metric space (4marks)
(b) Let denote the set of real numbers and let be defined by ( ) | | for all Show that is a metric on (6marks)
(c) State Triangle and H ̈lder’s inequalities (4marks)
(d) State and prove Minkowski’s inequality. (8marks)
2. (a) Define the following: (i) Open ball (ii) Closed ball (iii) Spheres. (5marks)
(b) Let be endowed with the Euclidean metric.
( ) Σ*( ) + ⁄ for all ( ) ( )
Describe the following sets(i) (( ) )(ii) ̅(( ) )(iii) (( ) ) where ( ) (iv) ( ) for arbitrary (7marks)
3. (a) Define the closure of a set . (5marks)
(b) Every singleton subset of any metric space is closed. Hence, every finite set is closed. (7marks)
4. (a) Let * + be a sequence of points in a metric space ( ) When is a point said to be a limit point of the sequence * + (5marks)
(b) Show that * +converges to in , if and only if * ( )+ converges to in (7marks)
5. (a) When is a sequence said to be a Cauchy in a metric space? (5marks)
(b) Prove that every convergent sequence in a metric space is Cauchy. (7marks)
6. (a) Define a connected space (5marks)
(b) Prove that the image of a connected space under a continuous map is connected. (7marks)

 

[Bracet]

COURSE CODE: NSC309
COURSE TITLE: MATERNAL & CHILD HEALTH NURSING 1
COURSE UNIT: 6 UNITS
TIME ALLOWED: 2 ½ HOURS
TOTAL MARKS: 70 MARKS
INSTRUCTION: ANSWER ALL THE QUESTIONS

1. The reproductive phase of a woman’s life begins at puberty until menopause and is associated with regular menstrual flow.

• With the aid of a large well-labeled diagram, describe the menstrual and ovarian cycles. (Diagram-2marks; labeling- 3marks; description- 15marks)Total-20marks)

• Outlinefive (5) abnormalities of menstruation(5marks)

1. Puerperium is a period characterized by some physiological and psychological changes.

• (2marks)
• Describe the physiological changes that occur under the following subheadings:

• Involution of the uterus (5marks)
• (5marks)
• Circulatory system(5marks)
• Urinary system(5marks)

• Outline any six (6) procedures that are carried out during the post natal visit.(3marks)

1. Briefly describe the following:

• Importance of fetal skull to the midwife(5marks)

 

[Godfrey94]

please post MTH401 by 11am

 

[Guest]

Cit311

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
UNIVERSITY VILLAGE, PLOT 91 CADASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI - ABUJA.
FACULTY OF SCIENCES
DEPARTMENT OF PURE AND APPLIED SCIENCE
APRIL/MAY, 2019EXAMINATIONS

COURSE CODE: CHM 316
COURSE TITLE: INDUSTRIAL CHEMICAL TECHNOLOGY I
CREDIT UNIT: 2
TIME: 2 Hours
INSTRUCTION: Answer question one (1) andany other three (3) questions.

QUESTIONONE

1a. What is heat transfer. Describe the fundamental methods of heat transfer?3 marks
1b. Describe mass transfer. 5 marks
1c. Explain the modes of mass transfer.12 marks
1d. What is unit process. 5 marks

QUESTION TWO

2a. State the Fourier’s law of heat conduction. 2 marks
2b. Mention six (6) examples of mass transfer.3 marks
2c. Describe diffusion flux.2 marks
2d. Describe briefly a reactor and enumerate types of reactors. 8 marks
QUESTION THREE

3a.Write briefly on physical and chemical processes with appropriate illustrations.7¹/₂ marks
3b. Explain in detail the term mixing and also the stages involved in mixing.7¹/₂ marks



QUESTION FOUR

4a. Explain the following separation processes:
I Separation by flashing5¹/₂ marks
ii. Distillation5¹/₂ marks
4b. Describe agitation.4 marks

QUESTION FIVE

5a. Explain Fick’s first law of diffusion 5 marks
5b. Mention three unit operations that employ heat transfer. 1½ marks

5bii) Using boiling of water in open air, explain mass transfer by change of phase. 2 marks

5c) Draw a flow chart of physical processes of salt manufacture. 2¹/₂ marks

5d) Discuss briefly Gravitational separation: 4 marks

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
UNIVERSITY VILLAGE, PLOT 91 CADASTRAL ZONE
NNAMDI AZIKIWE EXPRESSWAY, JABI, ABUJA
FACULTY OF SOCIAL SCIENCES
DEPARTMENT OF MASS COMMUNICATION

2019_1 EXAM

COURSE CODE: JLS 722
COURSE TITLE: Publication Layout and Design
UNIT: 3
TIME: 3 HOURS

INSTRUCTION: ANSWER ANY FOUR QUESTIONS

1. (a) What is a “copy” in publishing?

(b) Explain what copy tasting entails.
(c) Explain the process of reading and re-reading copy. (17¹/₂Marks)

1. (a) Explain the manual method of copy preparation.

(b) Explain the computerised method of copy preparation.
(c) Explain the challenges involved in the manual method of copy preparation. (17¹/₂ Marks)

1. The sub-editor gives the copy a fourth and final reading. Identify and explain 10 guidelines he needs to enable him polish the copy before it is published. (17¹/₂ Marks)

1. (a) Explain what typography means.

(b) Identify and explain four types of headlines. (17¹/₂ Marks)

1. (a) What is picture editing?

(b) Give three requirements for a newspaper design.(17¹/₂ Marks)

6. Explain the following:

• Irregular layout
• Layout blanks
• Order for Designers(17¹/₂ Marks)

NATIONAL OPEN UNIVERSITY OF NIGERIA
FACULTY OF SOCIAL SCIENCES
DEPARTMENT OF MASS COMMUNICATION

2019_1 EXAM
COURSE CODE: MAC323
COURSE TITLE: PHOTOJOURNALISM
UNIT: 3
TIME: 3HOURS
INSTRUCTION: ANSWER QUESTION 1 AND ANY OTHER THREE QUESTIONS.

1. (a) Like every profession, photojournalism is guided by laws and ethics. Explain three (3) laws guiding photojournalism.

(b). Photographs perform some functions in journalism. Explain five (5) of these functions. (17¹/₂ marks)

1. (a) What is photojournalism?

(b) A photojournalist is expected to have some traits to enhance his performance. Discuss five (5) of these traits. (17¹/₂ marks)

1. (a) Explain 5 types of photojournalists.

(b) A photographer takes pictures of nouns (people, places and things).Photojournalists capture "verbs." Justify these statements.

1. Explain the following parts of camera:

• Film Compartment
• F-Stop Control.(17¹/₂ marks)

1. (a) What is photo editing?

(b) Discuss five (5) reasons for photo editing. (17¹/₂ marks)

1. (a)Caption is vital in photojournalism. Discuss.

(b) Explain five (5) tips for effective captioning.(17¹/₂ marks)

NATIONAL OPEN UNIVERSITY OF NIGERIA
UNIVERSITY VILLAGE, PLOT 91 CADASTRAL ZONE
NNAMDI AZIKIWE EXPRESSWAY, JABI, ABUJA
FACULTY OF SOCIAL SCIENCES
DEPARTMENT OF MASS COMMUNICATION

2019_1 EXAM

COURSE CODE: MAC 442
COURSE TITLE: ADVANCED BROADCAST NEWS/PROGRAMME PRODUCTION
UNIT: 3
TIME: 3 HOURS
INSTRUCTIONS: ANSWER ANY FOUR QUESTIONS. EACH QUESTION CARRIES 17¹/₂ MARKS

1. (a) Identify and discuss the major characteristics of broadcast news?(10 marks)

(b) (7¹/₂marks)

1. (a) Broadly categorise and discuss in details the two broad types of news sources open to a cub reporter. (10 marks)

(b) Discuss five methods of news gathering.(7¹/₂ marks)

1. Explain 5 qualities a good broadcast writer should possess.

1. Identify 5 principles of good presentation?(17¹/₂ marks)

1. (a) What is a script? (2¹/₂ marks)

(b) Why do we need scripts in programme production? (7¹/₂ marks)
(c)Identify and explain 5 (7¹/₂ marks)

1. Identify and explain any broadcast programme scheduling strategies you know. (17¹/₂ marks).

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
FACULTY OF SOCIAL SCIENCES
DEPARTMENT OF ECONOMICS
2019_1 EXAMINATION

COURSE TITLE: TAXATION AND FISCAL POLICY
COURSE CODE: ECO 440
UNITS: 2
TIME ALLOWED: 2 HOURS
INSTRUCTION: ANSWER ANY THREE (3) QUESTIONS. ALL QUESTIONS CARRY EQUAL MARKS. ONE MARK FOR CLARITY AND GOOD PRESENTATION

1. Overtime, it has been observed that public expenditure of economies worldwide have continuously increased, discuss to the best of your knowledge five causes of such increase in public expenditure.(23 Marks)

1. List and discuss six (6) reasons why it is essential to have a public sector in an economic system. 23 Marks)

3a. List the three tax authorities in charge of tax administration in Nigeria. (3 Marks)
3b. List and discuss five (5) tax laws in Nigeria (10 Marks)
3c. List 3 merits and 2 demerits of fiscal federalism (10 Marks)


4a List the three (3) principles of determining the financial policy in a federal set up for the smooth functioning of a federation as posited by B.P.A Darker. (12 Marks)
4b(i) What is fiscal deficit? (3 Marks)
4b(ii) Discuss four (4) consequences of fiscal deficit (8 Marks)


5a List six (6) rationale behind countries acquiring public debt (6 Marks)
5b. Discuss briefly, the compensatory fiscal policy (5 Marks)
5c. List and discuss 2 advantages and 2 disadvantages of direct taxes (12 Marks)

NATIONAL OPEN UNIVERSITY OF NIGERIA
DEPARTMENT OF POLITICAL SCIENCE
FACULTY OF SOCIAL SCIENCES
2019_1 POP EXAMINATION QUESTIONS


COURSE CODE: INR 342
COURSE TITLE: SOUTHERN AFRICA IN GLOBAL POLITICS
CREDIT UNIT: 2
TIME ALLOTED: 2 HOURS
INSTRUCTION: ANSWER ANY THREE QUESTIONS


Question 1: Define political economy, and explain its methodological relevance in the study of Southern Africa’s global politics? (23 marks)

Question 2: How did the Portuguese initiate the colonization of Southern Africa?
(23 marks)

Question 3: ‘… apartheid looks… like the modern system of federalism where people are encouraged to promote their culture and develop at their own pace.’Evaluate. (23 marks)
.

Question 4: Why is Southern Africa important in global politics? (23 marks)


Question 5:How beneficial is globalization to the economic development of Swaziland.
(23 marks)

 

[Bracet]

NATIONAL OPEN UNIVERSITY OF NIGERIA
PLOT 91, CADASTRAL ZONE, NNAMDI AZIKIWE EXPRESSWAY, JABI - ABUJA
FACULTY OF SCIENCES
DEPARTMENT OF PURE AND APPLIED SCIENCE
2019_1 SEMESTER EXAMINATION
COURSE CODE: PHY 456
COURSE TITLE: NUCLEAR REACTOR PHYSICS
CREDIT UNIT 3
TIME ALLOWED (2½ HRS)

INSTRUCTION: Answer question one (1) and any other four (4)questions
QUESTION 1
(a). List five ways in which neutrons can interact with nuclei. (2.5 marks)
(b). What is a moderator? (4 marks)
(c). What is a nuclear reactor? (4 marks)
(d). What is meant by the following terms: nuclear power, nuclear energy and atomic energy? (4.5 marks)
(e). Consider the following nuclear fusion reaction that uses deuterium and tritium as fuel.

(i). Complete the reaction equation. What is the name of the new particle released during
the reaction? (2 marks)
(ii). Given the following information;
,, ,
Determine the mass defect of a single reaction (2 marks)
(iii). Determine the energy in joules released during a single fusion reaction. (3 marks)
QUESTION 2

(a). Explain, using your knowledge of criticality and nuclear reactions, why water makes a fantastic moderator. (4 marks)
(b). What are the qualities of a good control rod material? (2 marks)
(c). Define the following terms: (i) subcritical system; (2 marks)
(ii) critical system; (2 marks) and supercritical system (2 marks)

QUESTION 3

(a). If there are n scattering centers (nuclei) per unit volume, each of area σ, in a thin target of thickness dT, find the ratio R of the area covered by scattering centers to the total are of the targets. (2 marks)
(b). Given that and . Show that. It must be assumed that all symbols carried their usual meanings. (7 marks)
(c). Describe moderation. (3 marks)

QUESTION 4
(a).What is macroscopic cross section? (1.5 marks)
(b). Why is it possible to produce the fission of U-235 with slow neutrons whereas it is necessary to use fast neutrons to produce the fission of U-238? (9 marks)
(c). Define cross section (1.5 marks)

QUESTION 5
(a). Concisely discuss the following as related to nuclear reaction:
(i) Radiative capture (1.5marks); (ii) Charged-particle reactions (1.5marks)
(b). Write a short note on (i). Nuclear fission(2 marks) (ii). Nuclear fusion (2 marks)
(c). Determine the product nucleus and Q value in the equation comment on your result. (Masses of Al, Mg, d and α are 26.9901 amu, 24.9936 amu, 2.0147 amu and 4.0039 amu respectively) (5marks)

QUESTION 6
(a). Determine the unknown particles X in the following nuclear reactions:

• , (2 marks)
• , (2 marks)
• (2 marks)

(b). As observed in the laboratory system, a 8 MeV proton is incident on a stationary carbon-12 target. Find the velocity of the centre of mass system. Take the mass of the proton to be 1 amu. (4 marks)
(c). State Fick’s law. (2 marks)



NATIONAL OPEN UNIVERSITY OF NIGERIA
DEPARTMENT OF CRIMINOLOGY AND SECURITY STUDIES
FACULTY OF SOCIAL SCIENCES

2019_1 EXAMINATION QUESTIONS

COURSE CODE: CSS 356
COURSE TITLE: TRADITIONAL AND INFORMAL MECHANISMS OF CRIME CONTROL
CREDIT UNIT: 3
TME ALLOWED: 3 HOURS
INSTRUCTION: ANSWER ANY FOUR QUESTIONS

1. Differentiate between traditional and informal mechanism of crime control. (17.5 marks)

1. Explain the relationship among control, justice and law. (17.5 marks)

1. Discuss the factors enabling indigenous social control in modern African States. (17.5 marks)

1. Briefly discuss the functions of the “Ayelala” traditional control mechanism of crime. (17.5 marks).

1. Discuss the main characteristics of traditional, Informal justice system that explains their contribution to better access to crime control. (17.5 marks)

1. Explain the reasons why some people may not use formal control mechanism. (17.5Marks)