Flashcards
Input Devices - B061
Flashcards do conjunto (17)
- 1What is an Input Device?Input Devices are used to put data into a computer.
- 2What is a trackball and how do you operate it?A trackball is an input device that can be used as an alternative to a mouse. To operate it the user rotates the ball which moves the cursor on the screen.
- 3Name an input device that can digitise images.A Scanner.
- 4Name and describe an input device that commonly allows designers to produce on-screen drawings.A Graphics Tablet - A graphics tablet is a flat pad which the user draws on with a special pen which creates the on-screen image.
- 5Name two automatic input devices.Any two from: Sensors, Barcode Readers, Maagnetic Strip Readers, Magnetic Ink Character Reader (MICR) and Optical Mark Readers (OMR).
- 6Name an automatic input device which is commonly used as a part of a feedback cycle.Sensor.
- 7Is a Midi-Instrument considered an input or output device?Input Device.
- 8Is an input device a piece of software or hardware?Hardware.
- 9What are the two types of input devices?Manual Input Devices and Automatic Input Devices.
- 10Give two advantages of using a keyboard for entering data.Any two from: most computers come with a keyboard supplied, people are used to using keyboards so they need little training, a skilled typist can enter data very quickly and specialist keyboards are available - e.g. ergonomic, gaming keyboards.
- 11What is concept keyboard?A concept keyboard is a flat board that contains a grid of various buttons. An overlay sheet is placed on the grid so the user can know exactly what each buttons does.
- 12What input device would scan a lottery ticket or a multiple choice test?Optical Mark Reader (OMR)
- 13What is the purpose of Biometric Devices?To use biometric data identify people.
- 14Name the only device that works as both an input and output device.Touch screen.
- 15What is a common use of a Magnetic Strip/Stripe Reader?To read the magnetic strip on a credit or debit card. (Data stored on the strip is scanned and inputted into a computer system by a magnetic strip reader).
- 16What does MICR stand for?Magnetic Ink Character Reader.
- 17What part of the computer system takes inputs from an input device, processes them and outputs the results to an output device?CPU (Central Processing Unit).
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- FlashCards sobre Input Devices - B061, criado por moorl067.303 em 10-09-2013.
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- moorl067.303
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