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This quiz contains multiple-choice problems on CPU and the control unit, registers, cache memory, main memory organisation, processors and its types.
The __ is often termed “the brain of the computer”.
Control unit
Arithmetic and logic unit
Central processing unit
Memory
The control unit acts as the central nervous system of the computer. True or false?
True
False
What does MBR stand for?
Main buffer register
Memory buffer routine
Main buffer routine
Memory buffer register
In the instruction ADD A, B, the answer gets stored in
B
A
Buffer
C
What does PC stand for?
Program changer
Program counter
Performance counter
Performance changer
Which of the following holds the last fetched instruction?
PC
MAR
MBR
IR
The portion of the processor which contains the hardware required to fetch the operations is
Datapath
Processor
Control
Output unit
Causing the CPU to step through a series of micro-operations is called
Execution
Runtime
Sequencing
Pipelining
The functions of execution and sequencing are performed by using
Input signals
Output signals
Control signals
CPU
What does the D in D-flip flop stand for?
Digital
Direct
Delay
Durable
Which of the following is a data transfer instruction?
Opcode indicates the operations to be performed. True or false?
True
False
The length of a register is called
Word limit
Word size
Register limit
Register size
The __ holds the contents of the accessed memory word.
MAR
MBR
PC
IR
Which of the following is not a visible register?
General purpose registers
Address register
Status register
MAR
