Computer Knowledge Practice Question and Answer
8 Q: What does PDA stand for?
1734 0606d7e07affa2d5265b8b5c5
606d7e07affa2d5265b8b5c5- 1Personal Data Assistantfalse
- 2Personal Digital Assistanttrue
- 3Prime Data Assistantfalse
- 4Prime Digital Assistantfalse
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Answer : 2. "Personal Digital Assistant"
Q: Which of the following is an input device that , when moved by the user on a flat surface , causes a pointer on the screen to move accordingly ?
1719 05e96911f52a9770afc257114
5e96911f52a9770afc257114- 1wand readerfalse
- 2mousetrue
- 3keyboardfalse
- 4bar - code readerfalse
- 5scannerfalse
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Answer : 2. "mouse "
Q: The Internet is an example of a search engine.
1710 064ba8482e2108a723939a0a0
64ba8482e2108a723939a0a0- 1Windowsfalse
- 2Linuxfalse
- 3Yahootrue
- 4M.S. Word (MS Word)false
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Answer : 3. "Yahoo"
Explanation :
The search engine performs the following tasks-
1. Web crawling: Search engines search all web pages on the web using a crawler. A crawler is a program that finds new web pages by following links on the web.
2. Indexing: Once the crawler finds all the web pages, the search engine indexes them in a database. The index contains information for each web page, such as title, URL, and content.
3. Searching: When a user types a search query, the search engine searches all the web pages in the index that may be related to the query.
Q: Are converted to information by computer process?
1708 05e4623fb65b2ec50e428a8a1
5e4623fb65b2ec50e428a8a1- 1Inputfalse
- 2Datatrue
- 3Numberfalse
- 4All statements are truefalse
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Answer : 2. "Data"
Q: Suppose a directory has sub directories and some files, what happens whenever you move that directory from one place to another?
1707 061cdbfacedcf9307082e639b
61cdbfacedcf9307082e639b- 1Only the files inside the directory are transferredfalse
- 2Only the sub directories inside the directory are moved.false
- 3Directories are moved but source files are not transferred.false
- 4The files and sub directories inside the directory are moved.true
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Answer : 4. "The files and sub directories inside the directory are moved."
Q: COBOL is widely used in applications
1705 0609f97523c86b056325bdeaf
609f97523c86b056325bdeaf- 1Commercialfalse
- 2Scientificfalse
- 3Spacefalse
- 4Nonetrue
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Answer : 4. "None "
Q: How to represent the cell range A9 to A99 in Excel -
1686 1619f5e2202f30f77f96558e1
619f5e2202f30f77f96558e1- 1(A9,A99)false
- 2(A9TOA99)false
- 3(A9:A99)true
- 4(A9-A99)false
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Answer : 3. "(A9:A99)"
Q: Which of the following is the highest unit of memory?
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5fe06bfaad63cf10fae66838- 1Gigabytestrue
- 2Megabytesfalse
- 3Bytesfalse
- 4Kilobytesfalse
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