Compilers

Runtime Storage Location

Question 1
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 2
Marks : +2 | -2
Pass Ratio : 100%
A group of bits that tell the computer to perform a specific operation is known as ________
Instruction code
Micro-operation
Accumulator
Register
Explanation:
Instruction code is the set of specific tasks to be performed.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
The multiplicand register & multiplier register of a hardware circuit implementing booth’s algorithm have (11101) & (1100). The result shall be ______
(812)10
(-12)10
(12)10
(-812)10
Explanation:
On multiplying we get 81210.
Question 4
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 5
Marks : +2 | -2
Pass Ratio : 100%
Translation from symbolic program into Binary is done in __________
Two passes
Directly
Three passes
Four passes
Explanation:
Two passes are required.
Question 6
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 7
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 8
Marks : +2 | -2
Pass Ratio : 100%
Memory unit accessed by content is called ______
Read only memory
Programmable Memory
Virtual Memory
Associative Memory
Explanation:
Associative Emory is accessed by content.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
N bits in operation code imply that there are ___________ possible distinct Operators.
2n
2n
n/2
n2
Explanation:
2n possible combinations.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
In computers, subtraction is carried out generally by __________
1’s complement method
2’s complement method
signed magnitude method
BCD subtraction method
Explanation:
Subtraction done by 2’s complement.