Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ICT > Input devices > Flashcards

Input devices Flashcards

1
Q

What are input devices?

A

Allow data to be input into the computer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Keyboard?

A

Common type of input devices
It’s used to input text, commands and number into the computer. QWERTY is the most common type and ergonomic keyboards are designed to reduce Health related problems such as repetitive strain injury and carpal tunnel syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Concept Keyboard?

A

Uses icons and phrases instead of standard letters. Is used in restaurants and fast food chains.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Mouse?

A

It’s a pointing device by which the user controls the movement of a pointer on the monitor. Has a left button to select, right for drop down and middle to scroll through documents easily and faster.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Touchpad

A

It’s a pointing device found in laptops. The pointer is controlled by the user moving their finger on it.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Trackerball?

A

Similar to a mouse but it’s operated by the user using a rotating ball on the left or the side of the device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Remote control

A

Used to control the operation of other devices such as a TV using infrared signals. The buttons on the keypad are used to select options.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Joystick

A

Like a mouse. By gripping the stick a pointer on the screen can be controlled. Buttons are used to make selections.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Driving wheel

A

It connects to a computer via a USB port. The wheel allows you to simulate the turning of a steering wheel and there are brakes and accelerators.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Touch screens

A

The user simply touches icons or options on the screen and the selection is made without the need of a pointing device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Scanners

A

Used to enter data from hard copy into a computer. The most common type of scanner is a flatbed scanner with a glass panel and lid. The hard copy is scanned by a light source and converted to a computer readable image

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Digital cameras

A

The images clicked at high quality photos and are stored in a SSD.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Microphones

A

Sounds are inputted and manipulated. Analogue signals for the user’s voice is converted to digital signals, a language the computer understands (binary) This is usually done by an ADC (analogue to digital converter)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Sensor

A

Inputs data of a physical quantity that continuously changes. Data is converted by ADC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Graphics tablet

A

Used with a stylus to produce free hand drawings.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Webcams

A

Webcams are directly connected to the computer and have no memory. They’re like video cameras

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Light pens

A

They contain sensors that send signals to a computer when light changes are detected. They only work with CRT monitors. They are refreshed 50/secs to determine the position of the light pen.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Advantages and disadvantages of Keyboard

A

Fast data entry
Easy to use

Can be difficult if user has limited wrist movements
Uses valuable desk space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Uses of keyboard

A

To enter text or numbers in the computer

20
Q

Advantages of concept keyboard

A

Fast data entry
Waterproof
Temper resistant

21
Q

Numeric keypad

A

Faster than standard keyboard
Small so portable

Small keys make typing different
Order of numbers isn’t intuitive

22
Q

Uses of numeric keypad

A

In ATM
POS
Chip and pin devices

23
Q

Advantages and disadvantages of mouse

A

Don’t need large desk space
Faster than keyboard

Difficult for people with restricted hand movements
Easy to damage and clogged up with dirt

24
Q

Uses of mouse

A

Controlling position of pointer on screen

Opening, closing software

25
Q

Advantages and disadvantages of touchpad

A

Faster than keyboard
Since it’s in one unit it doesn’t need a separate mouse

People with limited hand movements find it hard
More difficult to drag and drop

26
Q

Advantages and disadvantages of trackerball

A

Needs less desk space
More robust than mouse

Costly
User may need training as it isn’t standard

27
Q

Uses of tracker ball

A

When user has disabilities

Used in luxury cars

28
Q

Advantages and disadvantages of remote control

A

Can be operated from any reasonable distance

Chemical processes are hazardous so easier to use from distance

Difficult if user has limited wrist movement
Signal easily blocked

29
Q

Uses of remote control

A

To operate TV

To control multimedia

30
Q

Uses of joystick

A

Used in simulators

Used in computer games

31
Q

Advantages and disadvantages of joystick

A

Easier to navigate screen than keyboard
Control is more realistic than mouse

More difficult to control on screen pointer

32
Q

Uses of driving wheels

A

Used in video games

Used in simulators

33
Q

Uses of touch screen

A

Self service tills

Interactive white boards in education

34
Q

Advantages and disadvantages of touch screen

A

Fast data entry
User friendly

Limited number of options available
Screen can get constantly dirty

35
Q

Uses of scanner

A

Scan documents

Scan barcodes

36
Q

Advantages and disadvantages of scanners

A

Images can be stored for editing later
Faster and accurate

Quality is limited as it depends on resolution of scanner
Fairly slow at scanning if color scanning mode chosen

37
Q

Advantages and disadvantages of digital cameras

A

HD photos
Easier and faster to upload photos

Need to be computer literate in using cameras properly
Images to be compressed to reduce amount of memory

38
Q

Uses of microphones

A

Input speech

Used in video conferencing

39
Q

Advantages and disadvantages of microphone

A

Faster to read texts than to type
Can manipulate sound in real time

Uses lot of memory
Voice recognition software isn’t accurate

40
Q

Advantages and disadvantages of sensor

A

Accurate readings
Readings are automatic

Faulty sensors give inaccurate results

41
Q

Uses of graphics tablet

A

To produce drawings

In Computer Aided design

42
Q

Advantages and disadvantages of graphics tablet

A

Accurate method of drawing
Record levels of pressure

Expensive
Menus not user friendly

43
Q

Uses of webcams

A

Chatting online

Video conferencing

44
Q

Advantages and disadvantages of webcams

A

Can be left on constantly
Allow people to be in contact with people living far away

Poor quality
Need to be connected to a computer

45
Q

Uses of light pens

A

Select objects on CRT screens

Drawing on screen

46
Q

Advantages and disadvantages of light pens

A

Greater accuracy than touch screen
Easy to use

Slow when drawing on screen
Only works with CRT monitors

ICT (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions