Input and Output Devices Practice Question and Answer
8 Q: An optical input device that scans and reads pencil pen marks on paper media?
592 064b91c2ae154aff53380fc05
64b91c2ae154aff53380fc05- 1OMRtrue
- 2Magnetic tapefalse
- 3Punch card readerfalse
- 4Optical scannerfalse
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Answer : 1. "OMR "
Explanation :
1. Optical Mark Reading (OMR) is a method of entering data into a computer system.
2. Optical mark readers read pencil or pen marks made in pre-determined positions on paper forms as answers to questions or tick list signs.
Q: Joystick is a type of ______?
588 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.
Q: Printer is an output device which converts _________ to ________.
561 063ecbfcf0fa4111f87e116ad
63ecbfcf0fa4111f87e116ad- 1soft copy, in soft copyfalse
- 2soft copy, color copyfalse
- 3soft copy, hard copytrue
- 4in hard copy, soft copyfalse
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Answer : 3. "soft copy, hard copy"
Q: Which of the following is not an example of an output device?
538 063e4d50bc386f46a0a6f2863
63e4d50bc386f46a0a6f2863- 1Monitorfalse
- 2printerfalse
- 3Plotterfalse
- 4Keyboardtrue
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Answer : 4. "Keyboard"
Q: Joystick is mainly used for ________.
534 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: The printed output from the computer is often called:
527 064a5138f8ecb104cc62513db
64a5138f8ecb104cc62513db- 1Copyfalse
- 2Soft copyfalse
- 3Hard copytrue
- 4Paperfalse
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Answer : 3. "Hard copy"
Explanation :
1. The output printed from the computer is called a hard copy.
2. “When we see any text or image or any design inside any computer software, then to make that design or text a document, with the help of a printer, with the help of a hard copy generator. If it is printed on paper, then that printed paper is called a Hard Copy”.
Q: CPU and memory are located in:
520 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: Full form of DVD is :
489 064944091cae316dfef72e029
64944091cae316dfef72e029- 1Digital Versatile Discfalse
- 2Digital Video Discfalse
- 3Digital Video Definitionfalse
- 4Both (A) and (B)true
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Answer : 4. "Both (A) and (B)"
Explanation :
1. Digital Versatile Disc (DVD), sometimes also known as Digital Video Disc (DVD), is an optical disc storage media format for storing digital data.
2. DVD offers higher storage capacity than compact disc (CD) when having the same size.