Computer Knowledge Practice Question and Answer
8 Q: What is the primary difference between virus and worm?
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61b8ba5cb700dd1b9f6d0353- 1A worm has the ability to self-propagate from the infected computer of the user to other computers.false
- 2The worm is usually written by a cracker - script bunnies do not have the skill of worm program developmenttrue
- 3Viruses are very harmful for the computers it infects; Worm is not such a serious problem.false
- 4Antivirus is effective for fighting software, not for fighting wormsfalse
- 5None of the abovefalse
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Answer : 2. "The worm is usually written by a cracker - script bunnies do not have the skill of worm program development"
Q: A complete electronic circuit with transistors and other electronic components can be placed on a small silicon chip. it is said.
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63c93e221c47ef334be27d07- 1Church stationfalse
- 2CPUtrue
- 3Magneticfalse
- 4Electromagneticfalse
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Answer : 2. "CPU"
Q: Recently Shri Amit Shah has launched 'Prahari' mobile app in New Delhi, this app is related to?
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63bfe67cb1afa963d16d3a0f- 1Indian Armyfalse
- 2Indian Navyfalse
- 3Border Security Forcetrue
- 4Indian Air Forcefalse
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Answer : 3. "Border Security Force"
Q: In the context of computing, a byte is equal to bits.
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609391366481f36316ea3e92- 14false
- 224false
- 38true
- 416false
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Answer : 3. "8"
Q: Which of the following is not true?
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63ecc9790fa4111f87e13f74- 1Kernel is a program that constitutes the central core of an operating systemfalse
- 2Kernel is the first part of the operating system to be loaded into memory during bootingfalse
- 3Kernel is made up of various modules which cannot be loaded into running operating systemtrue
- 4Kernel remains in memory during the entire computer sessionfalse
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Answer : 3. "Kernel is made up of various modules which cannot be loaded into running operating system"
Q: Which of the following are valid search engines?
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61cede368067f406dfece0f2- 1Twitter, Facebook, Google Plusfalse
- 2Google, Bing, Yahootrue
- 3Web Spider, Indexing, Decision Enginefalse
- 4none of the abovefalse
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Answer : 2. "Google, Bing, Yahoo"
Q: M.S. Which chart cannot be created in Excel?
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64ba3d90c3da05b2213df2f5- 17dtrue
- 2Piefalse
- 3Areafalse
- 4Stockfalse
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Answer : 1. "7d"
Explanation :
1. M.S. The following charts can be created in Excel.
- Column - Chart
- line chart
- Pie chart
- Donut chart
- Bar chart
- Area Chart
- XY (Scatter) chart
- Bubble chart
- Stock Chart
- Surface Chart
- Radar chart
- Combo chart
Q: Choose the most appropriate option from the following:
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64a519b4b394764d11b0c1f4- 1An electronic payment system using debit cards and credit cards can be done intrue
- 2OMR is for magnetic readers only.false
- 3Skype is an example of system software.false
- 4The output quality of a printer is measured in Hertz.false
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Answer : 1. "An electronic payment system using debit cards and credit cards can be done in"
Explanation :
An electronic payment system using debit cards and credit cards can be done in