Floppy disk in a computer is ___________.
Hardware
Software
Compiler
Main memory
A____________ is a set of registers, generally known as program status word (PSW) is included in all CPU designs.
Status flags
PC
IR
None of these
Which of the following is used as a primary storage device?
Magnetic drum
PROM
Floppy Disk
All these
Group of instructions that directs a computer is called ___________.
Storage
Memory
Logic
Program
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.
Which of the following is an example of external bus?
Slot
Disc
Expansion slot
Peripherals
__________ holds the address of the active memory location.
MAR
MBR
The performance of a cache memory is measured in terms of __________.
Bit
Hit ratio
Pulse
Access time
The word 'computer' usually refers to the CPU plus ___________.
External memory
Internal memory
Input devices
Output devices
Modem is a hardware device that interfaces:
CPU & CRT
Printer and main memory
Telephone lines and computer equipment
Input and output devices
