What is the purpose of cache memory?
To store whole memory of a system
To store frequently needed data
Store data permanently
Store instructions currently needed.
__________ is the average delay required to access any one area of the disk.
I/O time
CPU time
Access time
Memory request
The two kind of main memory are ____________.
ROM and RAM
Floppy andCD
Floppy disk and hard disk
Direct and sequential
Multiprogramming was made possible by ____________.
I/O units that operate independently of the CPU.
Operating systems
Both 1 and 2
None of these
Multiple choice examination answer sheets can be evaluated automatically by ____________.
Optical mark reader
Magnetic ink character reader
Optical character reader
Optical scanner
The term 'Refreshing' related with ____________.
RAM
SRAM
D- Flip flop
DRAM
Which of the following is set to 1 when the result of the operation contains even number of 1's?
Parity status flag
Zero status flag
Auxiliary carry flag
Even status flag
What is a cross coupled connection from output of one gate to the input of another gate?
Cross path
Feedback path
Result path
Signal path
Which are the two types of memory?
Permanent and temporary
Static and dynamic
Ram and rom
Primary and secondary
____________is the central storage unit of a computer system.
Auxiliary memory
Secondary memory
Main memory
HDD