WorksheetsPretest-COA(R-19)
Total questions: 25
Worksheet time: 14mins
Name
Class
Date
1.
A program is normally executed in --- manner.
a)
Conditional
b)
Abruptly
c)
Sequential
d)
None
2.
Which memory device is generally made of semi-conductors?
a)
RAM
b)
Hard Disk
c)
Floppy Dosk
d)
CD disk
3.
The small extremely fast, RAM’s are called as _______
a)
Cache
b)
Heaps
c)
Accumulators
d)
Stacks
4.
---- is the part of ALU.
a)
Accumulator
b)
Registers
c)
Heap
d)
Stack
5.
The control unit controls other units by generating ____
a)
Control signals
b)
Timing signals
c)
Transfer signals
d)
Command Signals
6.
A programmable IC which has an ability to compute and also take a decision, is called as ----- .
a)
Chip
b)
Microprocessor
c)
Computer
d)
Machine
7.
______ is generally used to increase the apparent size of physical memory.
a)
Secondary
b)
Virtual
c)
Hard disk
d)
Disk
8.
The internal Components of the processor are connected by _______
a)
System Bus
b)
Memory Bus
c)
Processor Bus
d)
Processor-Intra connectivity Circuit
9.
_______ is used to store data in registers.
a)
D Flip Flop
b)
T Flip Flop
c)
JK Flip Flop
d)
RS
10.
If processor clock is 1250 million cycles per second, then its clock period is ________
a)
1.9 * 10-10 sec
b)
1.6 * 10-9 sec
c)
1.25 * 10-10 sec
d)
8 * 10-10 sec
11.
CISC stands for _______
a)
Complete Instruction Sequential Compilation
b)
Computer Integrated Sequential Compiler
c)
Complex Instruction Set Computer
d)
Complex Instruction Sequential Compilation
12.
To check the equality of two digits, ----- logic gate is used.
a)
EXNOR
b)
EXOR
c)
NOR
d)
OR
13.
What is the 1's complement of 1011?
a)
1011
b)
0101
c)
0100
d)
0111
14.
When 1101 is used to divide 100010010 the remainder is ______
a)
101
b)
11
c)
0
d)
1
15.
The BOOT sector files of the system are stored in _____
a)
RAM
b)
Hard disk
c)
ROM
d)
Virtual Memory
16.
The phases of executing an instruction are __________
a)
Instruction fetch , decode and Instruction processing
b)
Instruction execution and storage
c)
Instruction fetch, decode and instruction execution
d)
Instruction decoding and storage
17.
____ converts the programs written in assembly language into machine instructions.
a)
Interpreter
b)
Compiler
c)
Converter
d)
Assembler
18.
._____ is commonly used to store the return addresses in case of nested function/sub routines.
a)
Queue
b)
Stack
c)
List
d)
Heap
19.
The data structure suitable for scheduling processes is _______
a)
List
b)
Stack
c)
Heap
d)
Queue
20.
Circuits that can hold their state as long as power is applied is _______
a)
Dynamic memory
b)
Static memory
c)
Register
d)
Cache
21.
If a unit completes its task before the allotted time period, then ______
a)
It’ll perform some other task in the remaining time
b)
Its time gets reallocated to a different task
c)
It’ll remain idle for the remaining time
d)
None of the mentioned
22.
To increase the speed of memory access, ----- is used.
a)
Special memory locations
b)
Special purpose registers
c)
Cache
d)
Buffers
23.
For efficient data communication, I/O devices are monitored by -----.
a)
I/O Module
b)
I/O ports
c)
Bus
d)
None
24.
The process wherein the processor constantly checks the status flags is called as
a)
Polling
b)
Inspection
c)
Reviewing
d)
Echoing
25.
In ------ addressing mode, where the operand value is specified.
a)
Immediate
b)
Direct
c)
Indirect
d)
Relative
100 %
