11th class Computer Unit 5 MCQs
Chapter 5 MCQs 11th Class Computer
Computer Architechture:
1. Data and program not being used by computer are stored in:
a. Primary storage
b. Secondary storage
c. Printer
d. Cache
2. A set of instructions that run the computer are:
a. CPUs
b. Hardware
c. Software
d. Document
3. The program that contains instructions to operate a device is called:
a. Device linking
b. Device driver
c. Device system
d. Device operator
4. CPU is an example of:
a. Hardware
b. Software
c. An output unit
d. A program
5. A computer drives its basic strength from:
a. Accuracy
b. Speed
c. Memory
d. All of these
6. The arithmetic/logic unit performs the following action.
a. Control computer operations
b. Perform arithmetic functions such as addition and subtraction
c. Perform logical comparisons i.e. equal, greater then, less than
d. Both B and C
7. Which is a storage device?
a. Floppy disk
b. CPU
c. Bus
d. Clock
8. Which component is responsible for comparing the contents of two pieces of data?
a. Memory
b. ALU
c. Control unit
d. None of these
9. Which component of CPU is responsible for interacting with primary memory?
a. Bus
b. ALU
c. Register
d. Control unit
10. Which memory is used to speed up the computer processing?
a. BIOS
b. Cache
c. FRAM
d. ROM
11. Which of the following memory needs to be refreshed?
a. ROM
b. DRAM
c. PROM
d. SRAM
12. An important characteristic of RAM is:
a. Nonvolatile
b. Read only
c. Volatile
d. Write only
13. The data and programs are stored permanently on the:
a. CPU
b. RAM
c. Primary storage
d. Secondary storage
14. A set of instructions that run the computer is:
a. CPUs
b. Hardware
c. Software
d. Document
15. ALU performs followings action:
a. Control computer operation
b. Perform arithmetic functions
c. Performs logic functions
d. Both B and C
16. ……… is a storage device.
a. Floppy Disk
b. CPU
c. Bus
d. Clock
17. Which one is not a type of ROM:
a. FROM
b. PROM
c. EEPROM
d. EPROM
18. The data of staring a program in memory was given by:
a. Pascal
b. John Von Neumann
c. Newton
d. All of these
19. The brain of the computer that executes the instructions is called:
a. Motherboard
b. CPU
c. System unit
d. RAM
20. The term that refers to all input, output and secondary storage devices is:
a. Attached
b. Peripheral
c. Network
d. Central
21. CPU includes all of the following components except:
a. Control Unit
b. Primary storage
c. Register
d. ALU
22. ALU has ……… units:
a. 4
b. 2
c. 5
d. 3
23. The cells of memory are logically organized into group of:
a. 32 bits
b. 8 bits
c. 4 bits
d. 12 bits
24. An identifiable location in memory where data are kept is called:
a. Location
b. Space
c. Cell
d. Address
25. Which component of computer is responsible for comparing the contents of two pieces of data?
a. Memory
b. ALU
c. Control unit
d. None