Computer GK Practice Question and Answer
8 Q: When was the first operating system developed?
1529 063e4df90c386f46a0a6f5c84
63e4df90c386f46a0a6f5c84- 11994false
- 21949false
- 31950true
- 41951false
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Answer : 3. "1950"
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.
1528 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: Which of the following is not true for for-loop?
1522 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 the function of the software?
1520 063e4db332cab94e8399f08cb
63e4db332cab94e8399f08cb- 1computer runningfalse
- 2Play Chessfalse
- 3Fulfillment of mathematical and logical capability of the hardwaretrue
- 4None of thesefalse
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Answer : 3. "Fulfillment of mathematical and logical capability of the hardware"
Q: Joystick is mainly used for ________.
1516 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: pen drive is
1515 063e4d8a3124b1363b8ec1dba
63e4d8a3124b1363b8ec1dba- 1a static secondary storage unitfalse
- 2a magnetic secondary storage unitfalse
- 3a removable secondary storage unittrue
- 4none of the abovefalse
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Answer : 3. "a removable secondary storage unit"
Q: CPU and memory are located in:
1515 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: What is programming?
1514 063ecc6957312b71d33df6205
63ecc6957312b71d33df6205- 1to run the programfalse
- 2to make a programfalse
- 3the process of writing a programtrue
- 4none of thesefalse
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