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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The ________ may also be called the screen or monitor.
Answer: D
Correct answer: display
The display is the general term for the screen on which output appears; monitor and screen are the everyday names for the same thing. A printer produces output on paper and a hard disk stores it.
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A joystick is primarily used to/for
Answer: B
Correct answer: computer gaming
A joystick reports the direction and amount by which it is pushed, which suits continuous control of movement - steering, flying, aiming - and that is chiefly what games need. Text entry needs a keyboard and drawing needs a mouse or a graphics tablet.
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Laser printers belong to
Answer: B
Correct answer: page printer
A laser printer composes and prints a whole page at a time, which is what makes it a page printer. Line printers and band printers produce one line at a time, and a dot matrix prints one character at a time.
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The pattern of printed lines on most products are called
Answer: D
Correct answer: bar code
The pattern of parallel lines of varying width printed on packaged goods is a bar code; it encodes the product number for a scanner to read. OCR reads ordinary printed characters, and a scanner is the device that reads the code rather than the code itself.
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A bar code reader is an example of
Answer: C
Correct answer: input device
A bar code reader scans a printed code and sends the number it encodes into the computer, so it supplies data to the machine. That is what makes it an input device rather than a processing or storage one.
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In MICR, C stands for
Answer: D
Correct answer: character
MICR stands for Magnetic Ink Character Recognition, the technique used to read the numbers printed along the bottom of a cheque in magnetic ink.
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Dot-matrix, Deskjet, Inkjet and Laser are all types of which computer peripherals?
Answer: A
Correct answer: Printers
Dot-matrix, deskjet, inkjet and laser are the four common printing technologies, distinguished by how they put ink or toner on paper.
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A light sensitive device that converts drawing, printed text or other images into digital form is
Answer: C
Correct answer: Scanner
A scanner shines light on a page and converts the reflected pattern into a digital image, which is exactly what the question describes. A plotter draws on paper and OMR reads only pencil marks in fixed positions rather than whole images.
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What type devices are computer speakers or headphones?
Answer: D
Correct answer: Output
Speakers and headphones deliver sound from the computer to the listener, so they carry information outwards. A microphone would be the corresponding input device.
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