wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

G7_Computer_Revision

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.

  This type of virus gets associated with application software like word, excel, PowerPoint.

a)

Polymorphic Virus

b)

Multipartite Virus

c)

Macro Virus

d)

Application Virus

2.

This type of Virus gets multiplied through the shared resources like shared drivers and folders.

a)

Macro Virus

b)

Network Virus

c)

REsource Virus

d)

Program File Virus

3.

Illegal entry into a computer system or a network is called ____________

a)

Forgery

b)

Cracking

c)

Vishing

d)

Hacking

4.

An act of imitating or making a false copy of a document is called _________

a)

Hacking

b)

Forgery

c)

Cyber Squatting

d)

Identity theft

5.

Three actions taken by Antivirus software, when a virus is found are ______________

a)

Repair it, Delete it, Quarantine it

b)

Remove it, Change it, Quarantine it

c)

Repair it, Remove it, Quarantine it

d)

Remove it, Delete it, Quarantine it

6.

_____________ is a security system that protects our computer by preventing unauthorized users from gaining access it through network or internet.

a)

Antivirus

b)

Biometrics

c)

Firewall

d)

Encryption

7.

The process of making duplicate copies of data, which can be used to restore the original data in case of any loss of it.

a)

Backup

b)

Restore

c)

Revive

d)

Restore

8.

What do we call the process,  which converts the electronic data into a form that cannot be easily understood by anyone.

a)

Conversion

b)

Decryption

c)

Encryption

d)

None

9.

The base of ______________number system is 8.

a)

Binary

b)

Decimal

c)

Octal

d)

Hexadecimal

10.

Which number system consists of only 2 digits, i.e. 0 and 1

a)

Octal

b)

Machine

c)

Binary

d)

Decimal

11.

   Convert (47)10 to ( )2

a)

101111

b)

101010

c)

111111

d)

001111

12.

  Convert (10101)2 to ( )10

a)

36

b)

20

c)

21

d)

37

13.

Perform the binary addition on : 10101 + 00111

a)

011110

b)

011100

c)

111100

d)

111101

14.

Perform the binary Subtraction on :    10011 - 01010

a)

01001

b)

01101

c)

10010

d)

11010

15.

Perform Binary Multiplication on: 1011 x 101

a)

111111

b)

100111

c)

110111

d)

101001

16.

Perform Binary division on: 1111 / 11

a)

Quotient= 101, Remainder=0

b)

Quotient= 101, Remainder=1

c)

Quotient= 11, Remainder=0

d)

Quotient= 11, Remainder=1

17.

In Binary Subtration, 0 - 1 =

a)

0

b)

1

c)

10

d)

11

18.

In Binary Addition, 1 + 1 + 1 =

a)

10

b)

11

c)

1

d)

100

19.

_______ is the text message given to web browser by a web server.

a)

Data

b)

cookie

c)

Backups

d)

web page

20.

A tweet is restricted up to _________ characters.

a)

120

b)

130

c)

140

d)

150