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Computer / IT — Test 1

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Question 1
1 Kilobyte (KB) in the binary system equals:
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Question 2
Which memory loses its contents when power is switched off?
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Question 3
High-speed memory placed between the CPU and main memory to hold frequently used data is:
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Question 4
An IPv4 address is ______ bits long, whereas an IPv6 address is ______ bits long.
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Question 5
The default port number for HTTPS is:
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Question 6
A router operates at which layer of the OSI model?
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Question 7
The system that translates domain names (e.g., www.fia.gov.pk) into IP addresses is:
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Question 8
Malware that replicates itself and spreads across networks WITHOUT attaching to a host program is a:
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Question 9
A fraudulent email pretending to be from a bank to steal passwords is an example of:
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Question 10
In MS Excel, which cell reference remains fixed when a formula is copied?
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