Contents

The most widely used code for representing characters in computer is…
a) ASCII                               
b) BCD
c) EBCDIC                          
d) none of these


a

The ASCII coding system can provide ……….different representations.
a) 2                        
b) 4                        
c) 16          
d) 256

a

ASCII stand for American standard code for information interchange



How many on/off switches are required to represent all possible characters of ASCII code?
a) 10      
b) 256   
c) 8                        
d) 64


c

How many on/off switches are required to represent all possible characters of Unicode character code?
a) 10
b) 256   
c) 8        
d) 16


d

Which bus transfer actual data from input devices to memory and from memory to CPU?
a) address bus                     
b) data bus
c) actual bus                        
d) none of these


b

…….. is the name given to memory chips storing data that only can be read.
a) RAM                                
b) ROM
c) RRM                                 
d) none of these

b

 ROM stand for read only memory