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1
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Which of the following is not
major part of CPU.
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(a) Register
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(b) C.U.
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(c) ALU
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(d) IO
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2
|
_________is multi purpose register.
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(a) AC
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(b) PC
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(c) SP
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(d) DR
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3
|
Stack works on _________algorithm.
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(a) FIFO
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(b) LIFO
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(c) Both
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(c) None
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4
|
Which of the following stack.
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(a) PUSH
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(b) POP
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(c) Both
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(d) None
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5
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In memory stack pointer is ________ at the time
of push.
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(a) Increment
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(b) Decrement
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(c) Divide
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(d) None
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6
|
Polish notation of A+(B*C) is
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a) ABC*+
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b)
AB+C*
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c)
AB*+C
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d)
AB+*C
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7
|
Polish notation of A*B+C*D+E*F
is
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(a) AB*CD*EF*++
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(b) ABCDEF***++
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(c) ABCD*EF**++
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(d) AB+CD+EF***
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8
|
Reverse polish notation is useful for
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|
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(a)
Evaluation of Arithmetic Expression
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(b) Evaluation of tree
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(c) Evaluation of stack
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(d) Evaluation of
queue
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9
|
Which of the following is not type of interrupt ?
|
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(a) External
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(b) Internal
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(c) Software
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(d) None
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10
|
When an interrupt occurs, the processor
completes the current _____________ before jumping to the interrupt service
subroutine.
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(a) Microinstruction it is executing
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(b) Instruction
it is executing
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(c) Current macro it is executing
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(d) procedure call it is executing
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11
|
Parentheses are required to indicate the
order of evaluation of arithmetic operation is
|
|
|
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(a) Prefix expression
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(b) Infix
expression
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(c) Postfix expression
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(d) Both (a) and (c)
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12
|
In a stack computer, there is support for
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(a) PUSH and POP
instruction only
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(b) Zero address instruction only
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(c) Zero address
instruction,PUSH & POP
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(d) None
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13
|
There reverse polish expression
“ead+cab+*/+” stand for
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(a) (e+(a+d)/(c*(a+b)))
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(b) (e+a*(d+c)/(a+b)))
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(c) (e+(a+d)+c*(a/b)))
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(d) None of the above
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14
|
CPU gets the address of next instruction to
be processed
|
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(a) Instruction register
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(b) Memory Address Register
|
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(c) Index Register
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(d)
Program counter
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15
|
Which of the following will be able to
verify if a given string is a valid parenthesized arithmetic expression?
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(a) A lexical analyzer
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(b) A
parser
|
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(c) A postfix expression
evaluator
|
(d) None of the above
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Computer Organization and Architecture MCQ -5
