Computer GK Practice Question and Answer
8 Q: Joystick is mainly used for ________.
1440 064a5666e8ecb104cc626605c
64a5666e8ecb104cc626605c- 1to control the sound on the screenfalse
- 2Computer gamingtrue
- 3Text Enterfalse
- 4print textfalse
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Answer : 2. "Computer gaming"
Explanation :
1. Joystick is mainly used for computer gaming.
2. What is Joystick? It is a small device whose primary purpose is to control an appliance. It works as an input device and helps the user navigate in different directions.
3. With the joystick, you can change your device by moving it up, down, left or right. It works according to the input you give and helps you control the device by tilting or rotating it.
Q: Which of the following is not true for for-loop?
1438 063e62af66149271af9b8c0fa
63e62af66149271af9b8c0fa- 1for (i=0; ifalse
- 2for (int i=0; i>9; i++)false
- 3for (i=10; ifalse
- 4for (i=10; i++; itrue
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Answer : 4. "for (i=10; i++; i"
Explanation :
Among the given statements about for loops, the one that is NOT true is that they are used to replace user input while loops. While for loops are typically used for iterations with a known count and are less likely to result in an infinite loop if used correctly, they do not specifically replace user input while loops.
Q: What is programming?
1437 063ecc6957312b71d33df6205
63ecc6957312b71d33df6205- 1to run the programfalse
- 2to make a programfalse
- 3the process of writing a programtrue
- 4none of thesefalse
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Answer : 3. "the process of writing a program"
Q: The _______ option in Windows splits the image between the computer and the projector whenever we connect the projector to the computer. In this way, you can display some scenes on your computer screen and some other scene on the projector screen.
1436 064a59596dc607a4d2b29cc28
64a59596dc607a4d2b29cc28- 1Computer onlyfalse
- 2duplicatefalse
- 3Extendtrue
- 4Projector only (second screen only)false
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Answer : 3. "Extend"
Explanation :
1. Extend in Windows divides the image between the computer and the projector whenever we connect the projector to the computer. In this way, you can display one scene on your computer screen and another scene on the projector screen.
Q: With which of the following is the Break statement used?
1434 063ede5893c221e1b4dd104fd
63ede5893c221e1b4dd104fd- 1if Statementfalse
- 2else if Statementfalse
- 3Switch Statementtrue
- 4None of thesefalse
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Answer : 3. "Switch Statement"
Explanation :
The break statement is used with loops (such as for and while loops) and switch statements in programming. In loops, it is used to exit the loop prematurely, while in a switch statement, it is used to exit the switch block after executing a specific case.
Q: Which of the following is the most difficult and secure device that LAN uses?
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63e62e47cc37d41b3f99ce68- 1static routertrue
- 2IP Enabled Routerfalse
- 3dynamic routerfalse
- 4RIP enabled routerfalse
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Answer : 1. "static router"
Q: CPU and memory are located in:
1432 064a52e7365d2524cbf0bc088
64a52e7365d2524cbf0bc088- 1Extension Boardfalse
- 2Motherboardtrue
- 3Storage devicefalse
- 4Output devicefalse
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Answer : 2. "Motherboard"
Explanation :
1. The motherboard acts as a platform to connect all of the computer's components together.
2. It connects the CPU, memory, hard drive, optical drive, video card, sound card, and other ports and expansion cards directly or through cables.
3. It can be considered as the backbone of the computer.
4. The CPU is the brain of the computer, and it is responsible for executing program instructions and processing data. Memory provides short-term storage for computers,
5. It stores program instructions and data that is used by the CPU.
Q: Which of the following is not a type of Cyber Threat?
1431 064ba3f3c88d5e4f52de3063e
64ba3f3c88d5e4f52de3063e- 1Huntingtrue
- 2Fishingfalse
- 3Spyfalse
- 4Hackingfalse
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Answer : 1. "Hunting"
Explanation :
There are many types of cyber threats, including:
1. Spam Email: Spam email is a type of cyber threat which is done by sending unsolicited emails. Spam emails are often used to spread advertisements, scams, or viruses.
2. Hacking: Hacking is a type of cyber threat that involves gaining unauthorized access to a computer system or network. Hackers often use hacking to steal data, damage systems, or intercept transactions.
3. Phishing: Phishing is a type of cyber threat in which victims are tricked into providing their personal information, such as passwords or credit card numbers. Phishing attacks are often carried out via email, social media, or websites.
4. Viruses: Viruses are a type of malware that can infect a computer system and damage data, slow down the system, or even disable it. Viruses often spread through spam emails, infected files, or physical media.
5. Worm: A worm is a type of malware that can copy itself from a computer system and spread from one system to another. Worms often spread via email, infected files, or physical media.
6. Denial-of-Service (DoS) attacks: DoS attacks are a type of cyber threat that is used to disable a website or service. DoS attacks are often carried out using large amounts of traffic or resources.
7. Load Ballast Attacks: Load ballast attacks are a type of DoS attack in which a large amount of data is sent to a website or service. Load ballast attacks are often carried out to disable a website or service.
8. Human-based attacks: Human-based attacks are a type of cyberattack that target people. Human-based attacks can include phishing, social engineering, and cyberpsychology.
9. Physical Attacks: Physical attacks are a type of cyberattack that targets the physical components of a computer system or network. Physical attacks could include data centre fires or power outages.

