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Computer Science 9th Class English Medium Online Test MCQs With Answers
Question # 1
Which is a physical device capable of strong information temporarily or permanently ?
Choose an answer
Cell
Computer memory
Voltage
Non voltage
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Question # 2
To convert a decimal number to hexa decimal, we divide the number by _______ and take quotient and remainder:
Choose an answer
8
16
2
12
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Question # 3
Which attackers often target web server of high-profile organizations such as banking, commerce, and media companies, or government and trade organizations ?
Choose an answer
Service
DoS
Client
Substitution Cipher
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Question # 4
Data to a processor is provided through:
Choose an answer
ROM
RAM
EPROM
EEPROM
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Question # 5
Which is a general term for any type of information processing that can be represented mathematically ?
Choose an answer
Computation
Liability
Client server oversue
Online piracy
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Question # 6
The foundation of all security systems is formed on:
Choose an answer
Ethical principles
Formal principles
Principles
Outline
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Question # 7
Which are used to access the World Wide Web in an easy manner ?
Choose an answer
IP
Web browsers
Network
Mode
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Question # 8
The computer can be attacked while sitting remotely, in this way sensitive information will be:
Choose an answer
Hacking
Sabotaged
Identity Theft
Decryption
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Question # 9
Some tags do not have closing tags and they are called:
Choose an answer
Paired tags
Singular tags or empty tags
Empty
Triple
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Question # 10
A protocol defines _______ and _________ for communication between a sender and a reciver:
Choose an answer
Rules, Regulation
Problem, Regulation
Center, Over
Information
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Question # 11
In IPv4 each group can contain a decimal value from:
Choose an answer
1 to 255
0 to 255
2 to 255
3 to 255
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Question # 12
When a key has less number of character than the text to the encrypt, then repeating letters of the key is called:
Choose an answer
Interim ciphertext
Cyber
Client server oversue
Online piracy
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Question # 13
IPv6 can allow up to ______ address:
Choose an answer
2
128
2
127
2
126
2
125
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