Computer Knowledge Practice Question and Answer
8 Q: Which computer virus records every movement you make on the computer?
3602 163bfed2d74eba5069d5bfa4a
63bfed2d74eba5069d5bfa4a- 1Malware Androidfalse
- 2DoSfalse
- 3Key Loggertrue
- 4Trapperfalse
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Answer : 3. "Key Logger "
Explanation :
A keylogger (short for keystroke logger) is a type of computer virus or malware that records every keystroke and movement made on a computer's keyboard, including sensitive information such as passwords, credit card numbers, and personal messages. It essentially captures the user's keystrokes without their knowledge and sends this information to the attacker, posing a significant security threat.
Q: The intersection of a column and a row 3570 05b5cc651e4d2b4197774bcdb
5b5cc651e4d2b4197774bcdb- 1Celltrue
- 2Menufalse
- 3Keyfalse
- 4Fieldfalse
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Answer : 1. "Cell"
Explanation :
Answer: A) Cell Explanation: The intersection of a column and a row in a spread sheet is called as a cell or a bon.
Q: Programs stored in ROM are called 3566 15b5cc6a9e4d2b4197774ceef
5b5cc6a9e4d2b4197774ceef- 1Hardwarefalse
- 2Firmwaretrue
- 3Freewarefalse
- 4Softwarefalse
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Answer : 2. "Firmware"
Explanation :
Answer: B) Firmware Explanation: The programs which are as permanent as hardware and stored in ROM are known as Firmware. Data stored in ROM can only be modified slowly, with difficulty, or not at all, so it is mainly used to store firmware (software that is closely tied to specific hardware, and unlikely to need frequent updates) or application software in plug-in cartridges.
Q: The use of multi programming started with which generation of computers?
3562 061389cff2421ea1e0c8367cc
61389cff2421ea1e0c8367cc- 1first generationfalse
- 2second generationfalse
- 3third generationtrue
- 4fourth generationfalse
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Answer : 3. "third generation"
Q: Which of the following is a valid example of an e-wallet?
3559 061cdda7c7d65a306e5687afe
61cdda7c7d65a306e5687afe- 1Drop Boxfalse
- 2Way To Smsfalse
- 3Monster Indiafalse
- 4Pay TM (PayTM)true
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Answer : 4. "Pay TM (PayTM)"
Explanation :
1. Paytm is an example of a valid e-wallet. E-wallet is a digital wallet that can be used to make payments both online and offline.
2. Paytm is a popular Indian e-wallet used by millions of people in India. Paytm can be used by users for online shopping, cash transfers, and bill payments.
Examples of valid e-wallets include-
Google Pay
PhonePe
Amazon Pay
Flipkart Pay
Mobikwik
Airtel Payments Bank
ICICI Pockets
HDFC Payzapp
Q: स्मृति से बनी होती है 3540 15b5cc651e4d2b4197774bd14
5b5cc651e4d2b4197774bd14- 1कोशिकाओं की बड़ी संख्याtrue
- 2तारों का सेटfalse
- 3सर्किट का सेटfalse
- 4इनमे से कोई भी नहींfalse
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Answer : 1. "कोशिकाओं की बड़ी संख्या"
Explanation :
Answer: A) बड़ी संख्या में सेल स्पष्टीकरण: कंप्यूटिंग में, मेमोरी कंप्यूटर हार्डवेयर एकीकृत सर्किट को संदर्भित करता है जो कंप्यूटर में तत्काल उपयोग के लिए जानकारी संग्रहीत करता है। अधिकांश सेमीकंडक्टर मेमोरी को मेमोरी सेल या बिस्टेबल फ्लिप-फ्लॉप में व्यवस्थित किया जाता है, प्रत्येक एक बिट (0 या 1) को स्टोर करता है।
Q: When did the great revolution in computer field come?
3489 05f64432ba372fb5367118ca5
5f64432ba372fb5367118ca5- 11977false
- 22000false
- 31955false
- 41960true
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Answer : 4. "1960"
Q: Which unit holds data temporarily? 3485 05b5cc64de4d2b4197774bcb2
5b5cc64de4d2b4197774bcb2- 1Secondary storage unitfalse
- 2Output Unitfalse
- 3Primary Memory Unittrue
- 4Input unitfalse
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Answer : 3. "Primary Memory Unit"
Explanation :
Answer: C) Primary Memory Unit Explanation: Memory is the part of the computer that temporarily holds data and instructions before and after they are processed by the ALU. Memory is also known as primary storage, primary memory, main storage, internal storage, and main memory. Manufacturers often use the term RAM, which stands for random-access memory.