Computer Organization And Architecture MCQ
1.
_________ is a command given to a computer to perform a specified
operation on some given data:
a. An instruction
b.
Command
c.
Code
d.
None of these
2.
An
instruction is guided by to perform work according:
a.
PC
b. ALU
c.
Both a and b
d. CPU
3.
Two important fields of an instruction are:
a.
Opcode
b.
Operand
c.
Only a
d. Both a & b
4.
Each operation has its ___ opcode:
a. Unique
b.
Two
c.
Three
d.
Four
5.
which are of these examples of Intel 8086 opcodes:
a.
MOV
b. ADD
c.
SUB
d.
All of these
6.
_______ is a symbolic
representation of discrete elements of information:
a.
Data
b.
Code
c.
Address
d.
Control
7.
Group of binary bits (0&1) is known as:
a.
Binary code
b.
Digit code
c.
Symbolic representation
d.
None of these
8.
A group of 4 binary bits is called:
a.
Nibble
b.
Byte
c.
Decimal
d.
Digit
9.
BCD uses binary number system
to specify decimal numbers:
a.
1-10
b.
1-9
c.
0-9
d.
0-10
10.
The ______ are assigned according
to the position occupied by digits:
a.
Volume
b.
Weight
c.
Mass
d.
All of these
11.
A code in which the total number of 1s in a valid (n+1)bit code word
is odd and this code is called an ______ :
a.
Error detecting code
b.
Even parity code
c.
Odd parity code
d.
None of these
12.
a code is simply a subset of the vertices of the ______:
a.
n bit
b. n cube
c.
n single
d.
n double
13.
Which method is used to detect
double errors and pinpoint erroneous bits:
a.
Even parity method
b.
Odd parity method
c.
Check sum method
d.
All of these
14.
A code that is used to correct error is called an
_______:
a.
Error detecting code
b.
Error correcting code
c.
Both
d.
None of these
15.
A received _______ with a bit error will be closer to the
originally transmitted code word than to any other
code word:
a.
Code word
b.
Non code word
c.
Decoding
d.
All of these
16.
It contains the ______ stack
for PC storage during
subroutine calls and
input/output interrupt services:
a.
Seven- level hardware
b.
Eight- level hardware
c.
One-
level hardware
d.
Three- level hardware
17.
Which unit works as an
interface between the processor and all the memories on chip or off-
chip:
a.
Timing unit
b.
Control unit
c.
Memory control
unit
d.
All of these
18.
The maximum clock frequency is ______:
a.
45 MHZ
b.
50 MHZ
c.
52 MHZ
d.
68 MHZ
19.
_______
is given an instruction in machine language this
instruction is fetched from the memory by the CPU to execute:
a.
ALU
b.
CPU
c.
MU
d.
All of these
20.
Which cycle refers to the time
period during which one instruction is fetched and executed by the CPU:
a.
Fetch cycle
b.
Instruction cycle
c.
Decode cycle
d.
Execute cycle
21.
______ with which computers perform is way beyond human capabilities:
a. Speed
b.
Accuracy
c.
Storage
d.
Versatility
22.
______ of a computer is consistently:
a.
Speed
b. Accuracy
c.
Storage
d.
Versatility
23.
GIGO stand for:
a.
Garbage-in-garbage-out
b.
Garbage-in garbage-occur
c. Both
d.
None of these
24.
How many basic operations of versatility:
a. 5
b.
6
c. 4
d.
7
25.
Which are the operation of versatility:
a.
exchange of information with the outside world via
I/O device
b.
Transfer of data internally with in the central
processing unit
c.
Performs of the basic
arithmetic operations
d.
All of these
- Computer Organization And Architecture MCQ
- Advanced Computer Architecture MCQ Questions And Answers
- Computer Architecture MCQ
- Computer System Architecture MCQ
- Computer Architecture And Organization MCQ
