Computer Knowledge Practice Question and Answer
8 Q: Whose invention was the beginning of the information technology era?
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63aae50ce590d4085fd2870f- 1Telephonefalse
- 2Televisionfalse
- 3Computertrue
- 4Watchfalse
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Answer : 3. "Computer"
Q: Which of the following are the types of Computer-
891 063d0c7abe144980db7274763
63d0c7abe144980db7274763- 1Mainframe computerfalse
- 2Microcomputerfalse
- 3Super and mini computersfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: A multi-functional printer includes:
888 064a51422aa4c004ce31be8ae
64a51422aa4c004ce31be8ae- 1Printerfalse
- 2Scannerfalse
- 3Copierfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Explanation :
Includes a multi-functional printer.
- printer
- scanner
- copier
Q: Which files are used during the operation of DBMS?
888 063e9ed787312b71d33d7943a
63e9ed787312b71d33d7943a- 1Query language and utilitiesfalse
- 2Data manipulation language and query languagefalse
- 3Data dictionary and transaction logtrue
- 4Data dictionary and query languagefalse
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Answer : 3. "Data dictionary and transaction log "
Explanation :
During DBMS operation, essential files include the data dictionary, containing metadata like table structures, and the transaction log, recording all database transactions. The data dictionary guides the DBMS in understanding database organization, while the transaction log ensures data integrity by recording modifications. Both files are crucial for effective database management, enabling accurate querying, data manipulation, and system recovery in case of failures, ensuring the system's reliability and consistency.
Q: Of the units mentioned in the options, which one is the largest as compared to the others?
887 064a2a6721a612ce001132c6b
64a2a6721a612ce001132c6b- 1Hectofalse
- 2Decafalse
- 3Teratrue
- 4Gigafalse
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Answer : 3. "Tera"
Explanation :
1. Among the options, terabyte represents the largest amount of data.
2. Computer memory is usually measured in bytes.
3. The storage capacity of a hard disk is measured in megabytes, gigabytes and terabytes.
Q: The Indian medium for 'Massive Open Online Courses' is -
887 063c93bd38731ac3327a0228f
63c93bd38731ac3327a0228f- 1myselftrue
- 2Moodlefalse
- 3Blackboardfalse
- 4Edexfalse
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Answer : 1. " myself"
Q: What type of transaction is “online shopping”?
886 061a74c315e08c72fe6741f21
61a74c315e08c72fe6741f21- 1B2Bfalse
- 2B2Ctrue
- 3C2Cfalse
- 4none of thesefalse
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Answer : 2. " B2C"
Q: Connecting one network to another by a computer for the purpose of transmitting files is called -
885 0619f6212872670631289a03a
619f6212872670631289a03a- 1search enginefalse
- 2high wayfalse
- 3gatewaytrue
- 4super wayfalse
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