Mock Questions

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21.

The smallest unit of data in computer is ________________

A

Byte

B

Nibble

C

Bit

D

Kilo Byte

Correct Answer: C

A bit is defined as the smallest unit of data in a computer system. It is used as a short form of Binary Digit. A bit can have only two values 0 or 1. A nibble comprises of 4 bits, a byte is a collection of 8 bits whereas KB (Kilobyte) is equal to 1024 bytes.

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22.

The input machine which originated in the United States around 1880s is a ___________

A

Mouse

B

Joystick

C

Keyboard

D

Bar Code Reader

Correct Answer: C

A keyboard is an input device which originated in the 1880s and is used to give instructions to the computer in the form of letters and numbers. Mouse is used for the selection of various objects on the screen, joystick is mainly used for gaming purpose and bar code readers are used for reading the bar-codes.

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23.

1 yottabyte = ______________

A

1024 TB

B

1024 EB

C

1024 ZB

D

1024 PB

Correct Answer: C

1 yottabyte is equal to 1024 ZB, which stands for zettabyte. Further, 1 ZB=1024 EB (exabyte) and and 1 EB=1024PB (petabyte).

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24.

Saving data and instructions to make them readily available is the job of __________

A

Storage Unit

B

Cache Unit

C

Input Unit

D

Output Unit

Correct Answer: A

The storage unit is responsible for storing the data. It makes the instructions readily available for additional or initial processing whenever required. The cache is a software component that stores data to serve the data requests in future. It can contain the result of some earlier computations.

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25.

Which of the following is not a type of number system?

A

Positional

B

Non-Positional

C

Octal

D

Fractional

Correct Answer: D

There are two main types of number systems : Positional & Non-positional. Positional System uses digits for the representation whereas, non-positional number systems use certain symbols for the representation of numbers. Octal is a type of positional number systems with base 8.

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26.

The 2’s complement of 5 is ______________

A

1011

B

101

C

1010

D

0011

Correct Answer: D

The 2

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27.

In computer terminology, information means

A

Alphanumeric data

B

Program

C

Data in more useful or intelligible form

D

Raw data

Correct Answer: C

Data in more useful or intelligible form

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28.

MS-Word comes under __________

A

Document production

B

Graphics

C

Databases

D

Numerical Analysis

Correct Answer: A

Ms- Word is an application based software. It comes under document production. Ms-Word, frontPage, Frame maker come under this category.

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29.

Starting with Microsoft Office 2003, Photo Editor was renamed to :

A

Photo Manager

B

Picture Manager

C

Picture Editor

D

Paint Editor

Correct Answer: B

Picture Manager

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30.

A feature of MS Office that saves the document automatically after certain interval is called ____

A

Save

B

Save As

C

Auto Save

D

Backup

Correct Answer: C

Auto Save

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