The most common method of entering text and numerical data into a computer system is through the use of a ____
Answer: D
Correct answer: Keyboard
Text and numbers are typed, and the keyboard is the device for typing. A scanner captures an image of a page rather than its characters, and printers and plotters are output devices.
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Which of the following produces high-quality output?
Answer: B
Correct answer: Non-impact printer
Non-impact printers - laser and inkjet - form characters without striking the paper, so they are quieter and produce far finer detail than impact printers, which press an inked ribbon against the page through a matrix of pins.
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Using output devices one can ____
Answer: D
Correct answer: View or print data
Output devices present results: the monitor displays them and the printer puts them on paper. Entering, storing and scanning are the work of input and storage devices.
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The term used to define all input and output devices in a computer system is ___
Answer: D
Correct answer: Hardware
Hardware is the collective term for the physical parts of a computer, which includes every input and output device. Software is the set of programs, and a monitor is one output device rather than the class.
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Devices that let the computer communicate with you.
Answer: B
Correct answer: Output
An output device is the one that carries information from the computer to the person - the monitor, the printer, the speakers. Input devices carry information the other way.
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A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
Answer: D
Correct answer: Writing tablet
A writing tablet, or graphics tablet, senses the position of a stylus on its surface, so it captures both the character being written and where on the surface it was written - the coded character and the positional coordinates the question asks for.
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The device primarily used to provide hardcopy is the
Answer: C
Correct answer: Printer
A hard copy is output on paper, and the printer is the device that produces it. A CRT or console shows output on a screen, which is soft copy, and a card reader is an input device.
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Information that comes from an external source and is fed into computer software is called ____
Answer: A
Correct answer: Input
Data supplied to a program from outside is its input; what the program sends back is its output. Throughput is a measure of how much work a system completes, and a report is one form output may take.
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Devices that allow you to put information into the computer.
Answer: A
Correct answer: Input
An input device is the one through which information is put into the machine - keyboard, mouse, scanner, microphone. Output devices deliver results in the opposite direction.
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The joystick is a ____________ stick that moves the graphic cursor in the direction the stick is moved.
Answer: D
Correct answer: Vertical
A joystick is a stick standing upright in a base; tilting it from the vertical in any direction moves the cursor that way. The other three words describe orientations that would leave nothing to tilt.
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