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Input devices
1. INPUT DEVICES
2.
•Read the definition and specifythe defined word
3.
•A set of keys on a terminal ofcomputer including the standard
typewriter keys, function keys
and several special keys
4.
•Units of hardware, which allowthe user to enter information into
the computer.
5.
•An input device used to specifythe position of the cursor or to
make choices from menus.
6.
•An input device with flat surfaceand a sensitive panel that
registers the touch of a finger as
an input.
7.
•An input device that can retrievestored information from a
magnetic card either by holding
the card next to the device or
swiping the card through a slot in
the device.
8.
• An input device that is found on themajority of portable computers, and
now also available with some
external keyboards, that allow you
to move the mouse cursor without
the need of an external mouse.
9.
•A hardware input devicecommonly used with computer
games, such as flight simulation
games, that allow a player to fly
up or down, or back or forth by
pulling or pushing the device.
10.
•A hardware input device thatallows computer users to input
audio into their computers.
11.
•An input device that works like anupside-down mouse. The
onscreen pointer is moved with a
thumb or finger. It requires less
arm and wrist motion.
12.
•An input device that reads theimage and converts the printed
text or picture into electronic
codes that can be understood by
the computer.
13.
•To select a block of text or anobject with the mouse button and
then move the mouse while
keeping the button pressed down
14.
•To press and release the leftbutton on a mouse
15.
•If you want to convert a squareinto a rectangle, you ______
one corner of the square and
stretch it into a rectangle.
16.
•Rapidly press and release themouse button twice.
17.
•The keys that represent lettersand numbers, as arranged on a
typewriter
18.
•The keys that appear at the topof the keyboard and can be
programmed to do special tasks.
19.
•The keys that are used to issuecommands or to produce
alternative characters, e.g. the
Ctrl key or the Alt key.
20.
•A long key at the bottom of thekeyboard. Each time it is pressed,
it produces a blank space.
21.
•This key moves the cursor to thebeginning of a new line. It is also
used to confirm commands.
22.
•It removes the character to theleft of the cursor or any selected
text.
23.
•This key produces UPPER CASEcharacters.
24.
•This key produces UPPER CASEletters, but it does not affect
numbers and symbols.
25.
•These keys are used to move thecursor, as an alternative to
mouse
26. DISPLAY SCREENS
27.
•The smallest unit on a displayscreen or bitmapped image
(usually a coloured dot).
28.
•The maximum number of pixelsin the horizontal and vertical
directions on the screen; also
refers to the number of pixels per
inch
29.
•An expansion card that processesimages and sends the video
signals to the monitor; also called
video graphics board.
30.
•The width of the screen dividedby its height
31.
•The number of bits used to hold acolour pixel; this determines the
number of colours that monitor
can display.
32.
•A display that generates imagesby a plasma discharge, which
contains noble, noble-harmful
gases. It allows for larger screens
and wide viewing angles.
33.
•The units of hardware, whichdisplay the results produced by
the computer.
34.
•The viewing area of a monitormeasured diagonally, in inches.
35.
•The amount of light produced byan LCD monitor, measured in
cd/m2 (candela per square
meter).
36.
•Thin-film LED displays that don’trequire a backlight to function.
37.
•A flat screen display made of twoglass plates with a liquid crystal
material between them. The
crystals block the light in different
quantities to create the image.
38.
•In a colour monitor, electronbeams energize the phosphor dots
on the screen surface, causing
them to emit coloured light from
which the picture is formed.
39.
•The study of how people interactsafely and efficiently with
machines and their work
conditions.