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WorksheetsG7_Computer_Revision
Total questions: 20
Worksheet time: 13mins
This type of virus gets associated with application software like word, excel, PowerPoint.
Polymorphic Virus
Multipartite Virus
Macro Virus
Application Virus
This type of Virus gets multiplied through the shared resources like shared drivers and folders.
Macro Virus
Network Virus
REsource Virus
Program File Virus
Illegal entry into a computer system or a network is called ____________
Forgery
Cracking
Vishing
Hacking
An act of imitating or making a false copy of a document is called _________
Hacking
Forgery
Cyber Squatting
Identity theft
Three actions taken by Antivirus software, when a virus is found are ______________
Repair it, Delete it, Quarantine it
Remove it, Change it, Quarantine it
Repair it, Remove it, Quarantine it
Remove it, Delete it, Quarantine it
_____________ is a security system that protects our computer by preventing unauthorized users from gaining access it through network or internet.
Antivirus
Biometrics
Firewall
Encryption
The process of making duplicate copies of data, which can be used to restore the original data in case of any loss of it.
Backup
Restore
Revive
Restore
What do we call the process, which converts the electronic data into a form that cannot be easily understood by anyone.
Conversion
Decryption
Encryption
None
The base of ______________number system is 8.
Binary
Decimal
Octal
Hexadecimal
Which number system consists of only 2 digits, i.e. 0 and 1
Octal
Machine
Binary
Decimal
Convert (47)10 to ( )2
101111
101010
111111
001111
Convert (10101)2 to ( )10
36
20
21
37
Perform the binary addition on : 10101 + 00111
011110
011100
111100
111101
Perform the binary Subtraction on : 10011 - 01010
01001
01101
10010
11010
Perform Binary Multiplication on: 1011 x 101
111111
100111
110111
101001
Perform Binary division on: 1111 / 11
Quotient= 101, Remainder=0
Quotient= 101, Remainder=1
Quotient= 11, Remainder=0
Quotient= 11, Remainder=1
In Binary Subtration, 0 - 1 =
0
1
10
11
In Binary Addition, 1 + 1 + 1 =
10
11
1
100
_______ is the text message given to web browser by a web server.
Data
cookie
Backups
web page
A tweet is restricted up to _________ characters.
120
130
140
150
