For More Quiz Questions click here to download Global Quiz on Google PlayStore

NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JANUARY/FEBRUARY 2018 EXAMINATION

CIT309: Computer Architecture                            

Credit Units: 3

Instruction: Answer Question (1) (22 marks) and any other four questions each carrying 12 marks                                                                         

Time: 2½ hours

 

1(a)      Distinguish between computer organization and computer function. (5 marks)

 b)        Explain briefly the functional components of a computer. (6 marks)

 (c)     Explain the concept of the von Neumann computer. (5 marks)

State the sequence of operations of the control unit in one clock pulse. (6 marks)

 

2a) Briefly discuss the important issues in the design of instruction sets. (7½ marks)

 (b) Using a well-labelled diagram,give the general model of the control unit showing all of its inputs and outputs.            (4½ marks)

 

3(a)      Describe a typical machine instruction fetch-execute cycle.    (10½ marks)

(b) What do understand by the word "Process"?                   (1½ marks)

 

4(a)      Briefly discuss the inputs and outputs of the general model of the control unit. (10½ marks)

  1. What do understand by "Process switch"?     (1½ marks)

5a)       State and diagrammatically  represent the typical microinstruction formats. (10 marks)

b) What do understand by "Thread"? (2 marks)

 

6a)       Briefly describe the taxonomy of parallel processing systems.          (10 marks)

(b) What is process scheduling?          (2 marks)

 

7a)       List the key characteristics of a symmetric multiprocessor (SMP) system. (4 marks)

  1. List and briefly explain four (4) principal approaches to multi-threading.     (8 marks)

 


For More Quiz Questions click here to download Global Quiz on Google PlayStore


Select NOUN Past Questions & Answers by Faculties

Sciences

National Open University of Nigeria (NOUN) Faculty of Sciences Past Questions and Answers.

Education

National Open University of Nigeria (NOUN) Faculty of Education Past Questions and Answers.

Arts & Social Sciences

National Open University of Nigeria (NOUN) Faculty of Arts and Social Sciences Past Questions and Answers.

Law

National Open University of Nigeria (NOUN) Faculty of Law Past Questions and Answers.

Management Sciences

National Open University of Nigeria (NOUN) Faculty of Management Sciences Past Questions and Answers.

Health Sciences

National Open University of Nigeria (NOUN) Faculty of Health Sciences Past Questions and Answers.

Agriculture Sciences

National Open University of Nigeria (NOUN) Faculty of Agricultural Sciences Past Questions and Answers.

Select Project Topics & Materials by Categories

Accounting

Universities, Polytechnic's and Colleges of Education Accounting Project Topics and Materials.

Biology

Universities, Polytechnic's and Colleges of Education Biology Project Topics and Materials.

Business Education

Universities, Polytechnic's and Colleges of Education Business Education Project Topics and Materials.

Chemistry

Universities, Polytechnic's and Colleges of Education Chemistry Project Topics and Materials.

Computer Science

Universities, Polytechnic's and Colleges of Education Computer Science Project Topics and Materials.

Criminology & Security

Universities, Polytechnic's and Colleges of Education Criminology & Security Project Topics and Materials.

Economics

Universities, Polytechnic's and Colleges of Education Economics Project Topics and Materials.

Education

Universities, Polytechnic's and Colleges of Education Education Project Topics and Materials.

English/Linguistic

Universities, Polytechnic's and Colleges of Education English/Linguistic Project Topics and Materials.

Entrepreneurship

Universities, Polytechnic's and Colleges of Education Entrepreneurship Project Topics and Materials.

Environmental Science

Universities, Polytechnic's and Colleges of Education Environmental Science Project Topics and Materials.

Law

Universities, Polytechnic's and Colleges of Education Law Project Topics and Materials.

Marketing

Universities, Polytechnic's and Colleges of Education Marketing Project Topics and Materials.

Physics

Universities, Polytechnic's and Colleges of Education Physics Project Topics and Materials.

Political Science

Universities, Polytechnic's and Colleges of Education Political Science Project Topics and Materials.

Public Administration

Universities, Polytechnic's and Colleges of Education Public Administration Project Topics and Materials.

How to login to NOUN Elearn Portal

You can now use you matric number to login as your username and  password in a lowercase.

https://elearn.nouedu2.net/login/

Note that you are to change your passw...

Facebook posts