Computer fundamental mcq set 23

 

11. What is the responsibility of the logical unit in the CPU of a computer?

a. To produce result            

b. To compare numbers          

c. To control flow of information  

d. To do math’s works

 

12. The secondary storage devices can only store data but they cannot perform

a. Arithmetic Operation     

b. Logic operation   

c. Fetch operations  

d. Either of the above

 

13. Which of the printers used in conjunction with computers uses dry ink power?

a. Daisy wheel printer        

b. Line printer         

c. Laser printer   

d. Thermal printer

 

14. Which of the following produces the best quality graphics reproduction?

a. Laser printer        

b. Ink jet printer      

c. Plotter    

d. Dot matrix printer

 

15. Which of the following memories allows simultaneous read and write operations?

a. ROM          

b. RAM        

c. EPROM     

d. None of above

 

16. Which of the following memories has the shortest access times?

a. Cache memory

b. Magnetic bubble memory          

c. Magnetic core memory  

d. RAM

 

17. A 32 bit microprocessor has the word length equal to

a. 2 byte        

b. 32 byte      

c. 4 byte      

d. 8 byte

 

 

 

 

 

18. An error in computer data is called

a. Chip           

b. Bug                      

c. CPU           

d. Storage device

 

19. A set of information that defines the status of resources allocated to a process is

a. Process control          

b. ALU           

c. Register Unit        

d. Process description

 

20. Any method for controlling access to or use of memory is known

a. Memory map       

b. Memory protection  

c. Memory management    

d. Memory instruction

 

11-B,12-D,13-C,14-C,15-B,16-A,17-C,18-B,19-D,20-B