Compilers

Runtime Storage Location

Question 1
Marks : +2 | -2
Pass Ratio : 100%
The load instruction is mostly used to designate a transfer from memory to a processor register known as _______
Accumulator
Instruction Register
Program counter
Memory address Register
Explanation:
Accumulator is the process register.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
A three input NOR gate gives logic high output only when _____________
One input is high
One input is low
Two input are low
All input are high
Explanation:
All inputs are high.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
The instruction ‘ORG O’ is a ______
Machine Instruction
Pseudo instruction
High level instruction
Memory instruction
Explanation:
It is a pseudo instruction.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
PSW is saved in stack when there is a ________
Interrupt recognized
Execution of RST instruction
Execution of CALL instruction
All of the mentioned
Explanation:
It can be interrupted.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
‘Aging registers’ are _______
Counters which indicate how long ago their associated pages have been Referenced
Registers which keep track of when the program was last accessed
Counters to keep track of last accessed instruction
Counters to keep track of the latest data structures referred
Explanation:
This is known as aging.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
A floating point number that has an O in the MSB of mantissa is said to have __________
Overflow
Underflow
Important number
Undefined
Explanation:
It is an underflow condition.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
The circuit converting binary data in to decimal is_____
Encoder
Multiplexer
Decoder
Code converter
Explanation:
It is the code converter.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
MIMD stands for __________
Multiple instruction multiple data
Multiple instruction memory data
Memory instruction multiple data
Multiple information memory data
Explanation:
MIMD stands for multiple instructions multiple data.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
A k-bit field can specify any one of __________
3k registers
2k registers
K2 registers
K3 registers
Explanation:
2k is the answer.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
The BSA instruction is ___________
Branch and store accumulator
Branch and save return address
Branch and shift address
Branch and show accumulator
Explanation:
BSA is branch and save return address.