Computer Knowledge Practice Question and Answer
8 Q: Which of the following is true of client-side ex-tensions? They add functionally to the___.
1788 05fc8b229d0af4c56f5ec77f9
5fc8b229d0af4c56f5ec77f9- 1networkfalse
- 2servertrue
- 3browserfalse
- 4firewallfalse
- 5firewall and networkfalse
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Answer : 2. "server"
Q: With the help of which of the following keys you can delete the letters on the right side of the cursor?
1787 061a7636160755647282e74df
61a7636160755647282e74df- 1Endfalse
- 2Backspacefalse
- 3Deletetrue
- 4Homefalse
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Answer : 3. " Delete"
Q: Which is the fastest memory?
1785 063370fee2ff7535af68828df
63370fee2ff7535af68828df- 1CD ROMfalse
- 2Hard Diskfalse
- 3Auxiliary Memoryfalse
- 4Cache Memorytrue
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Answer : 4. "Cache Memory"
Q: The mathematical knowledge which is the basis of computer?
1783 063bfeff61b93047bc2182d82
63bfeff61b93047bc2182d82- 1binary system of numberstrue
- 2graphfalse
- 3equational equationfalse
- 4set theoryfalse
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Answer : 1. "binary system of numbers"
Q: Which service is used for sending or receiving mail on the internet?
1782 05fed88670af48a69de4cddc8
5fed88670af48a69de4cddc8- 1Emailtrue
- 2Gmailfalse
- 3twitterfalse
- 4Facebookfalse
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Answer : 1. "Email"
Q: Which multiplexing technique used to transmits digital signal?
1780 060b8901caea2402e59c20165
60b8901caea2402e59c20165- 1FDMfalse
- 2WDMfalse
- 3TDMtrue
- 4Both (a) and (c)false
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Answer : 3. "TDM"
Q: Which of the following memory device is similar to Cache Memory mainly in terms of speed?
1779 064ba85752d3130f57543c2c2
64ba85752d3130f57543c2c2- 1Flash memorytrue
- 2D. RAM (DRAM)false
- 3S. RAMfalse
- 4E.E.P. ROM (EEPROM)false
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Answer : 1. "Flash memory"
Explanation :
1. Flash memory is a portable storage device that can store data for a short period of time.
2. Unlike traditional hard drives, flash memory is capable of retaining data even after the power is turned off.
3. A flash drive is a small, portable flash memory card that plugs into a computer's USB port and acts as a portable hard drive.
4. A flash drive is a portable data storage device. Flash drives contain multiple flash chips, which are large memory modules.
Q: Write data (eg music, photos, documents
etc.) on CD or DVD The process is commonly called?
1777 061b8711da9d1da035de3cd31
61b8711da9d1da035de3cd31- 1Firingfalse
- 2burningtrue
- 3Smokingfalse
- 4Wateringfalse
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Answer : 2. "burning"
Explanation :
1. Digital Versatile Disc (DVD), sometimes also known as Digital Video Disc (DVD), is an optical disc storage media format for storing digital data.
2. DVD offers higher storage capacity than compact disc (CD) when having the same size.
3. It is a digital optical dose storage format. It can be used for storing video, audio, images or data.