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Computer Architecture MCQ Question with Answer

Computer Architecture MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 22
In immediate addressing the operand is placed

after OP code in the instruction
in memory
in stack
in the CPU register

Question No : 23
How many address lines are needed to address each memory locations in a 2048 x 4 memory chip?

8
10
11
12

Question No : 24
A computer program that converts an entire program into machine language at one time is called a/an

simulator
interpreter
commander
compiler

Question No : 25
Interrupts which are initiated by an I/O drive are

internal
external
software
all of above

Question No : 26
When the RET instruction at the end of subroutine is executed,

the memory address of the RET instruction is transferred to the program counter
the information where the stack is iniatialized is transferred to the stack pointer
two data bytes stored in the top two locations of the stack are transferred to the stack pointer
two data bytes stored in the top two locations of the stack are transferred to the program counter

Question No : 27
A microporgram is sequencer perform the operation

read
read and execute
execute
write

Question No : 28
The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called?

microprocessor
ALU
monochip
control unit