Question # 1

In Von Neumannarchitecture, which component is responsible for controlling the flow of instructions and data?

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Arithmetic Logic Unit (ALU)

Control Unit(CU)

Cache Memory

Input/Output devices

Which of the following Boolean expressions represents the OR operation

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A.B

A+B

A

A-B

The binary value of the letter 'A' is 01000001 and its decimal value is.

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65

66

67

69

Which of the following is NOT a common troubleshooting tool?

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Disk Cleanup

System Restore

Word Processor

Debugger

Single Precision use.....bits?

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30

31

32

None of these

Extended ASCII includes....................characters?

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64

256

128

None of these

Which of the following is a storage device used to permanently store data in a computer

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Random Access Memory(RAM)

Cache Memory

Hard Disk Drive(HDD)

Arithmetic logic Unit(ALU)

Which is the primary function of an operating system in a computer system?

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To provide hardware components

To manage hardware and software resources.

To act as an imput device

to manufacture computer parts.

Whcih one of the example of Digital Signal?

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Binary

Sound Wave

11

00

Binary Arithmetic operations.use.................?

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Addition

Subtraction

Multiplication

All of these

Which of the following ensures data consistency in a software system?

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Fault tolerance

Scalability

Modular design

Transaction management

Which of the following tells about which operations should be performed first ?

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precedence

rule

sequence

random

Which statement is used to execute one set of instructions if a particular condition is true and another set of instructions if the condition is false ?

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if

if else

else

loop

By default, type int is considered as:

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single integer

negativeinteger

positiveinteger

originalinteger

How many characters can be stored in a char type variable ?

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1

3

4

2

Which format specifier is used for character data type ?

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%d

%i

%c

%f

Which operator has the highest precedence among the following ?

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/

!

>

<

Which operator requires three operands respectively to perform the operation ?

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unary

binary

ternary

all of these

GUI stands for:

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graphical user interface

user interface

global user interface

grammar interface

How many types of constant ?

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3

1

2

4

After escape character, which specifies the movement of the cursor to start of next time ?

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n

b

d

c

Which is a combination of backslash (\) and a code character to control printing of data on the screen ?

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escape sequence

format specified

character

printing

When the virus starts to impact on data, it is known as

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Virus attack

Virus infection

Virus removing

None

Expansion cards are inserted into

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Slots

Peripheral devices

CPU

Back of the computer

The ability of an operating system to control the activities of multiple programs at the same time is called

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Multitasking

Multiprocessing

Multi-operating

Multi paging

Most applications of robotics are in which area

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Science

Manufacturing

Education

Farming

Temporary storage area with CPU is called.

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ROMS

RAM

Register

None of these

Most of data transmission over telephone lines use.

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Serial transmitted

Parallel transmitted

Digital transmitted

Hybrid transmitted

Transferring information from computer to internet is called.

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Downloading

Transferring

Uploading

Pasting

Along signal is measured in

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Volt

Hertz

Digits

Watts

A collection of computer connected together is called

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Processing

Network

Chatting

Centralized

Which of the following is not an example of system software.

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Drivers

Operating system

Utility program

MS office

BCD code is_______bit code:

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2-bit

4-bit

6-bit

8-bit

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