level 2 ict: Input & Output Devices

level-2-ict-input-output-devices

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Which of the following are input devices? Scanner Actuator Sensor Robotic Arm

1.scanner 2.sensor

Explanation

A scanner is an input device that will capture images from documents such as photos, magazines and reports. A sensor is an input device that can detect changes in the physical environment and input this information into a computer system.

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Which of the following are output devices? Sensor Force Feedback Microphone Actuator

Force Feedback 2.Actuator

Explanation

Force feedback is a type of output is commonly seen in video gamepads. The gamepad will shake at certain times, such as when you crash a car, in order to give a more immersive experience. An actuator is an output device that turns energy into motion. For example it might be used to turn the heating on or off when the temperature changes.

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{"id":1959244,"question_id":"441619","created_at":"2018-04-26 10:09:47","updated_at":"2018-04-26 10:09:47","answerTitle":"Force Feedback \r\n\r\n2.Actuator ","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

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Which of the following devices are used to output an image? Screen Webcam Speakers Projector

1.Screen 2. Projector

Explanation

A screen is the primary output of a computer system and is used to output a visual image of the computers interface. A projector is another type of computer display that serves a similar function to the screen in that it outputs a visual image of the computers interface. A webcam is used to input an image and speakers will output audio.

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{"id":1959245,"question_id":"441620","created_at":"2018-04-26 10:10:41","updated_at":"2018-04-26 10:10:41","answerTitle":"1.Screen\r\n\r\n2. Projector ","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

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Which of the following are multi-functional devices? Mouse Gamepad Sensor Touch screen

1. Gamepad 2. Touch screen

Explanation

A multi-functional device is used for both input and output. A touch screen is an example of this, as is a gamepad as long as it has force-feedback which almost all modern gamepads do.

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{"id":1959246,"question_id":"441621","created_at":"2018-04-26 10:11:25","updated_at":"2018-04-26 10:11:25","answerTitle":"1. Gamepad \r\n\r\n2. Touch screen ","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

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Frank wants to take part in a VoIP conversation. What input devices might he use? Microphone Speakers Webcam Screen

1. Microphone 2. Webcam

Explanation

While he will likely use all of these devices, only the webcam and microphone are input devices. The speakers and screen are output devices that he might use for a VoIP conversation though.

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{"id":1959247,"question_id":"441622","created_at":"2018-04-26 10:12:17","updated_at":"2018-04-26 10:12:17","answerTitle":"1. Microphone \r\n\r\n2. Webcam ","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

level 2 ict: Input & Output Devices

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