Memory unit that communicates directly with the CPU is called
a. Main memory
b. Secondary memory
c. Auxiliary memory
d. Register
a) Main memory
The CPU and memory are located in which of the following devices?
a. Output device
b. Expansion board
c. Storage device
d. Motherboard
d) Motherboard
A microprocessor is the brain of the computer and is also called
a. Microchip
b. Macrochip
c. Macroprocessor
d. Calculator
a) Microchip
Control unit of a digital computer is often called the
a. Clock
b. Nerve Centre
c. both a and b
d. IC
b) Nerve Centre
Which among the following is an important circuitry in a computer system that directs the operation of the processor?
a. Memory
b. Address bus
c. Control unit
d. ALU
c) Control unit