Home/ECAT/ECAT Computer Science Computer Architecture Test Online

ECAT Computer Science Computer Architecture Test Online

Mustansar KhanLast Updated: May 1, 2025

ECAT Computer Science Computer Architecture Test

ECAT Computer Science Chapter 5 Computer Architecture Online Test

Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	ECAT Entry Test Computer Online Test Interview Questions about Computer All Universities Entrance Test Recruitments Tests

ECAT Computer Architecture Test Online MCQs

Please wait...

Page 1 of 2

Uncategorized

1. Which of the following operations is not performed by the ALU?

Logical comparison

Addition

Instruction decoding

Subtraction

2. What is a micro-operation?

A basic operation on data stored in a register

Starting the computer

Execution of a large software

Complex arithmetic operation

3. Which of the following is used to increase the performance of the CPU?

CD-ROM

Slow RAM

Cache Memory

Large monitor

4. Which component is responsible for decoding the instruction?

RAM

ALU

Cache

5. Which memory stores data temporarily and is erased when power is off?

ROM

DVD

RAM

SSD

6. What is the function of the Control Unit in the CPU?

Store data

Control data flow and coordinate CPU operations

Display results

Perform calculations

7. Which component controls the execution of instructions?

ROM

ALU

Control Unit

Cache

8. Which of the following is used to reduce the CPU's time waiting for data?

USB Drive

SSD

Cache Memory

ROM

9. Which of the following describes CISC?

Common Instruction Storage Chip

Compressed Instruction System

Cache Integrated Set Control

Complex Instruction Set Computer

10. Which of the following best describes instruction pipelining?

Overlapping instruction execution

Instruction looping

Increasing cache size

Repeating instructions

11. Which register is used to manage subroutine calls and returns?

Stack Pointer

Program Counter

Accumulator

Instruction Register

12. Which memory is used to start a computer?

ROM

Cache

Hard Disk

RAM

13. Which of these terms refers to storing frequently used instructions?

RAM

ROM

CPU

Cache

14. Which architecture uses a single memory for instructions and data?

Harvard

CISC

Von Neumann

RISC

15. Which register holds the address of the next instruction to be executed?

Accumulator

Program Counter

Stack Pointer

Instruction Register

16. What does 'fetch' mean in the instruction cycle?

Bring the instruction from memory to CPU

Send data to the printer

Calculate the answer

Store the output

17. What does RISC stand for?

Read Instruction Sequentially and Continuously

Reduced Instruction Set Computer

Reliable Instruction System Control

Random Instruction Storage Chip

18. Which of the following memory types is the smallest and fastest?

Cache memory

Secondary memory

Main memory

19. Which of the following is not a type of computer memory?

RAM

USB

Cache

ROM

20. Which of the following controls the flow of data in a CPU?

Control Unit

ALU

Cache

RAM

21. What is meant by instruction cycle?

The time to install an OS

The process of converting data to signals

The sequence of steps to fetch and execute instructions

A loop in a program

22. Which type of memory is volatile?

Hard Disk

Cache

RAM

ROM

23. What is the main function of registers in a CPU?

Display data

Store large data

Temporarily store data and instructions

Control system functions

24. Which of the following is an example of primary memory?

DVD

Hard disk

Flash Drive

ROM

25. What is the key difference between CISC and RISC?

CISC uses few instructions

RISC uses microcode

CISC supports large and complex instruction sets

RISC uses complex instructions

Page 2 of 2

26. Which of the following is not a characteristic of RISC architecture?

Load/store architecture

Fewer addressing modes

Fixed-length instructions

Large instruction set

27. Which register is used for arithmetic and logic operations?

Accumulator

Stack Pointer

Program Counter

Instruction Register

28. What is the role of the address bus?

Connect CPU to mouse

Carry control signals

Carry data from CPU to memory

Specify memory location to access

29. Which of the following is the fastest memory?

DVD

Hard Disk

RAM

Cache

30. Which of the following is called the brain of the computer?

CPU

Monitor

Hard Disk

RAM

31. Which register holds the instruction currently being executed?

Stack Pointer

Data Register

Instruction Register

Program Counter

32. Which of these determines the instruction execution time?

Clock cycle

Hard disk speed

RAM type

Monitor refresh rate

33. What does the acronym 'ISA' stand for in computer architecture?

Instruction Set Architecture

Internal System Architecture

Input Signal Arrangement

Integrated Storage Architecture

34. What is the function of the memory management unit (MMU)?

Increasing CPU speed

Handling memory access and protection

Managing input devices

Power supply control

35. What is the function of the bus interface unit in CPU architecture?

Communicate with memory and I/O devices

Display graphics

Control mouse pointer

Send signals to the speaker

36. What is the main role of the input unit in computer architecture?

Perform calculations

Process data

Store files

Enter data and instructions into the computer

37. What is a system bus?

Bus used in LAN

Bus connecting external devices

Bus only for printers

Collection of data, address, and control buses

38. Which of the following architectures separates data and instruction memory?

RISC

CISC

Harvard

Von Neumann

39. Which of the following is used to increase processing speed?

Fewer registers

Slow CPU

Parallel processing

Disk fragmentation

40. Which of the following stores data permanently?

RAM

ROM

Cache

41. Which of the following components is used for temporary, high-speed data storage?

DVD

SSD

Cache

USB

42. What is pipelining in CPU design?

Memory management technique

Water-cooling for CPU

Technique for parallel instruction execution

Data compression technique

43. Which part of the computer executes instructions?

ROM

Hard Disk

CPU

RAM

44. What does the term 'throughput' mean in computer architecture?

Number of programs running

Amount of data processed in a given time

Power consumed by CPU

Speed of monitor refresh

45. Which bus is used to carry data between components?

Control bus

Data bus

System bus

Address bus

46. What is a multiprocessor system?

A system with multiple printers

A system with extra RAM

A computer with two or more processors

A computer with a large monitor

47. Which architecture uses load/store instructions to access memory?

RISC

Harvard

Von Neumann

CISC

48. Which unit performs arithmetic and logical operations?

Control Unit

ALU

Input Unit

Memory Unit

49. Which part of the CPU performs comparison operations?

ALU

Cache

50. What does the term ‘clock speed’ of a processor indicate?

Memory size

Size of ROM

Screen resolution

Number of instructions executed per second

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.

UET Peshawar Entry Test 2025 Registration Online ETEA Test D...
ECAT Statistics Test Set 17
ECAT Statistics Test Set 16
ECAT Statistics Test Set 15
ECAT Statistics Test Set 14
ECAT Statistics Test Set 13
ECAT Statistics Test Set 12
ECAT Statistics Test Set 11
ECAT Statistics Test Set 10
ECAT Statistics Test Set 9

Mustansar KhanLast Updated: May 1, 2025

Facebook Twitter Reddit WhatsApp Share via Email Print

ECAT Computer Science Computer Architecture Test Online

ECAT Computer Science Computer Architecture Test

ECAT Computer Science Chapter 5 Computer Architecture Online Test

ECAT Computer Architecture Test Online MCQs

Uncategorized

You Might Also Like

Mustansar Khan

Leave a Reply Cancel reply

ECAT Computer Science Computer Architecture Test

ECAT Computer Science Chapter 5 Computer Architecture Online Test

ECAT Computer Architecture Test Online MCQs

Uncategorized

You Might Also Like

Mustansar Khan

Your Related

ECAT Statistics Test Set 16

ECAT English Spotting Errors 8 Online Test

ECAT Physics Optical Instruments 1 Test Online

ECAT English Prepositions 3 Online Test

ECAT Mathematics Number System Test Online

ECAT English Vocabulary 1 Online Test

Leave a Reply Cancel reply