Contents

How many factors are important in i/o management module?
a) four   
b) five   
c) six      
d) seven

b

Explanation: speed, amount of data transferred, data representation, permissible operations, error conditions


What is the speed of magnetic disk?
a) 10^10 character per second                         
b) 10^11 character per second
c) 10^12 character per second      
d) 10^13 character per second

c

Failure to complete a data transfer is called
a) permissible operations  
b) error condition
c) speed    
d) amount of data transferred


b

Which of the following are objectives of i/o management module?
a) generality and device independence
b) efficiency
c) both a & b                       
d) none of these

c

In which disk is placed between a running and low-speed device is called?
a) spooling                          
b) buffering
c) handshaking   
d) none of these

a

Which of the following are advantages of spooling?
a) process does not suspend long time
b) produce multiple copies of output
c) both a & b                       
d) none of these


c