Computer GK Practice Question and Answer
8 Q: Windows 8 is part of the ……… family of operating systems.
1114 063eccc59aa2a114c951edf75
63eccc59aa2a114c951edf75- 1Windows APfalse
- 2Windows NTtrue
- 3Windows 8xfalse
- 4Windows NETfalse
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Answer : 2. "Windows NT"
Explanation :
Windows 8 is part of the Windows NT family of operating systems. Windows NT is a family of operating systems produced by Microsoft, which includes Windows NT 3.1, Windows NT 3.5, Windows NT 4.0, Windows 2000, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, and Windows 10. The Windows NT architecture is known for its stability, security, and advanced features, making it suitable for both personal and enterprise use.
Q: What is the difference between do-while and while condition?
1114 063e62b5c7407bd1b2d1dd823
63e62b5c7407bd1b2d1dd823- 1In do-while, a semicolon is used after the condition.false
- 2Semicolon is not used in Whilefalse
- 3While statement is after the conditionfalse
- 4none of the abovetrue
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Answer : 4. "none of the above"
Explanation :
The key difference lies in when the loop condition is checked. In the while loop, the condition is checked before the first iteration, potentially resulting in zero iterations. In the do-while loop, the condition is checked after the first iteration, ensuring that the loop body is executed at least once.
Q: Which components are used in LAN for Ethernet?
1112 063edff5de6cd351b7500c59c
63edff5de6cd351b7500c59c- 1COAXfalse
- 2Fiberfalse
- 3STPfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Explanation :
All three components—COAX (coaxial cables), Fiber (optical fiber cables), and STP (shielded twisted pair cables)—can be used in LANs for Ethernet connectivity, depending on specific network requirements and conditions. Different types of Ethernet cables, including coaxial, fiber optic, and shielded twisted pair, are used based on factors such as data transfer speed, distance, and susceptibility to electromagnetic interference.
Q: Which of the following statements are true for firewalls?
1106 1640081f535d86258eccefcc8
640081f535d86258eccefcc8- 1filtering network trafficfalse
- 2hardware and software securityfalse
- 3follow the rulesfalse
- 4all of the abovetrue
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Answer : 4. "all of the above"
Q: When was the first operating system developed?
1105 063e4df90c386f46a0a6f5c84
63e4df90c386f46a0a6f5c84- 11994false
- 21949false
- 31950true
- 41951false
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Answer : 3. "1950"
Q: Which interface is provided to access the services of the operating system?
1097 063e4ded60cf671793fcf5085
63e4ded60cf671793fcf5085- 1system callstrue
- 2APIfalse
- 3libraryfalse
- 4assembly instructionsfalse
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Answer : 1. "system calls"
Q: What is a drone?
1096 064ba607f2dc867f593074918
64ba607f2dc867f593074918- 1An unmanned aerial vehicletrue
- 2Wi-Fi technologyfalse
- 3Web browserfalse
- 4Wireless chargerfalse
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Answer : 1. "An unmanned aerial vehicle"
Explanation :
1. In technical language, the drone is an unmanned aircraft. These drones are formally known as Unmanned Aerial Vehicles (UAVs) or Unmanned Aircraft Systems (UASs). Drones are flying robots that are controlled via remote or fly automatically through software-controlled flight plans, which are embedded systems that work with the help of sensors and GPS.
Q: Joystick is a type of ______?
1095 064ba4ef888d5e4f52de341d9
64ba4ef888d5e4f52de341d9- 1Input devicetrue
- 2memoryfalse
- 3Output devicefalse
- 4Gamefalse
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Answer : 1. "Input device"
Explanation :
1. The input device is the device that provides data and control signals to the computer.
2. Major examples of input devices -
- Keyboard, Mouse, Scanner, Joystick, Microphone, Magnetic Ink Character Recognition (MICR), Optical Character Reader (OCR), Touchpad, Touch Screen, Webcam.

