Computer Architecture and Organization MCQs | OGDCL Test

Computer Science → Computer Architecture and Organization Multiple Choice Questions (MCQs) and Answers from 1 to 5. Computer Science Online FPSC Test MCQ Preparation Material.

1. Which register stores the result of ALU operations?
(A) Data Register
(B) Instruction Register
(C) Data Address Register
(D) Accumulator Register

2. Another name for free software is?
(A) Encrypted Software
(B) Copy Protected Software
(C) Shareware
(D) Public Domain Software

3. A small high speed memory inside CPU is:
(A) RAM
(B) ROM
(C) Cache
(D) Register

4. _______ is used to control all the parts of a manufacturing process.
(A) ATM
(B) CAM
(C) CAD
(D) MICR

5. DRAM stands for?
(A) Digital Random Access Memory
(B) Dynamic Random Access Memory
(C) Digital Read Access Memory
(D) Dynamic Read Access Memory

6. Which of the following coding schemes uses 4-bit code?
(A) Unicode
(B) ASCII
(C) EBCDIC
(D) BCD

7. _______ is a collection of system programs that controls and co-ordinates the overall operations of a computer system.
(A) System software
(B) Operating system
(C) Utility program
(D) Device driver

8. 1 Gigabyte is equal to:
(A) 1024 bits
(B) 1024 bytes
(C) 1024 kilobytes
(D) 1024 megabytes

9. Which of the following devices stores instructions that help the computer start up?
(A) Keyboard
(B) RAM
(C) ROM
(D) Hard disk

10. The computer can move data and instructions between storage and memory as needed, in a process called:
(A) Volatility
(B) Swapping
(C) Pipelining
(D) Exchanging

11. The software used for workgroup computing is called:
(A) Shareware
(B) Freeware
(C) Groupware
(D) Both A and B

12. Which register normally functions as a 16-bit counter that controls the sequence in which the instructions are fetched from memory?
(A) PC
(B) IR
(C) DR
(D) DAR

13. Pentium II is a __________ generation computer.
(A) Second
(B) Third
(C) Fourth
(D) Fifth

14. The first computer that used vacuum tubes was?
(A) Mark I
(B) ENIAC
(C) EDVAC
(D) UNIVAC

15. The number of read/write heads for a hard disk of four platters are:
(A) 4
(B) 6
(C) 8
(D) 16

ANSWERS: ARCHITECTURE AND ORGANIZATION MCQS
11. (C) Groupware
12. (A) PC
13. (C) Fourth
14. (B) ENIAC
15. (C) 8

16. First generation language uses?
(A) Pseudo code
(B) Binary code
(C) Mnemonics code
(D) Decimal code

17. An 8-bit address bus can address a memory of?
(A) 1 Byte
(B) 8 Bytes
(C) 256 bits
(D) 256 Bytes

18. The programs which are permanent and stored in ROM are known as?
(A) Utility Programs
(B) Firmware
(C) System software
(D) None of these

19. The moral rules and guidelines that determine the proper use of computer systems are:
(A) Copyrights
(B) Computer ethics
(C) Privacy rules
(D) None of these

20. Which of the following register holds the address of the next instruction to be fetch for execution?
(A) IR
(B) PC
(C) MAR
(D) MBR

ANSWERS: NTS ARCHITECTURE AND ORGANIZATION MCQS
16. (B) Binary code
17. (D) 256 Bytes
18. (B) Firmware
19. (B) Computer ethics
20. (B) PC