Table of Content (toc)
1. The BCD adder to add two decimal digits need minimum of
-
6 full adder and half adder
5 full adder and 3 half adder
a full adder and 3 half adder
2. T ___ mapping is used in cache organisation which is the quickest and most supple organisation.
3. Gray code of decimal number 5 is
-
101
011
111 and
4. When CPU is executing a Program that is part of the Operating System, it issaid to be in _____.
-
Interrupt mode
System mode
Half mode
5. A computer stores its data in memory
-
Decimal form
Octal form
Hexadecimal form
6. Number of ASCII codes in 7 bits form
-
256
128
64
7. The memory unit that communicates directly with the CPU is called the
-
main memory
Secondary memory
shared memory
8. In a self complementing code the sum of weights is
-
9
9. ___ levels can be used for describing a computer-
10. Which of the following rule(s) regarding the addition of 2 given numbers in 2's complement is correct
-
Add sign bit and discard carry, if any
Add sign bit and add carry, if any
don't Add sign bit and discard carry, if any
11. The average time required to reach a storage location in memory and obtain its contents is called the
-
seek time
turnaround time
access time
12. When signed numbers are used in binary arithmetic, then which one of the following notations would have unique representation of zero
-
magnitude
's complement
2's complement
13.The instruction ‘ORG O’ is a
-
Machine Instruction.
Pseudo instruction.
High level instruction.
14. Exponent in floating point number can be represented by -
-
Sign-magnitude form,
I's complemented from,
2's complemented from,
15. Consider the following statements with respect to the number of pipeline stages used to perform a given task:
1. Specification of the subtasks to be performed in the only the first stage of the pipeline.
2. Layout of the stage sequence, i.e., whether the stages are used in a strictly sequential manner or some stages are recycled.
State True or False:
-
1- True, 2- True
1- True, 2- False
1- False, 2- False
16. If nagative number are stored in 1's complemented form,the range of numbers that can be stored in 16 bits is -
-
-128 to +128
-128 to +127
-127 to +127
17. _________ register keeps tracks of the instructions stored in program stored in memory.
-
AR (Address Register)
XR (Index Register)
PC (Program Counter)
18. ROM is
-
a kind of RAM
a part of CPU
sequentially accessed memory
19. An instruction to provide small delay in program
-
LDA
NOP
BEA
20. A removable magnetic disc that holds information.
-
Portable
Monitor
Hard drive
21.Secondary memory is
-
volatile
none-volatile
can be both
22. The result of computer processing of your input is called
-
Tracking
Multi tasking
Data
23. 43. Memory unit accessed by content is called
-
Read only memory
Programmable Memory
Virtual Memory
24. The immediate addressing mode of instruction provides the operand in memory location
-
Pointed by the PC
Next to that of OP code
Pointed by PC+1
25. In disks, accessing mode is
-
sequential
random
indexed sequential
26. The idea of cache memory is based
- on the property of locality of reference
on the heuristic 90-10 rule
on the fact that references generally tend to cluster
27. In comparison to main memory accessing time in secondary memory
-
more
less
same
28. Which was the world̢۪s first minicomputer and when it introduced?
29. How many bus structure communicate at a time?
-
one
two
three
30. Consider the below-mentioned statements with respect to virtual address mode.
1. In the virtual address mode, cache access efficiency is faster than the physical addressing mode.
2. In the virtual address mode, cache lookup is delayed.
State True or False:
-
1- True, 2- False
1- True, 2- True
1- False, 2- False
Post a Comment
0 Comments