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ICT mock study pt2 > Input and Output devices > Flashcards

Input and Output devices Flashcards

1
Q

what is an alphanumeric keyboard?

A

Inputçit is a common input device that allows text, numbers and symbols to be entered in a computer

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2
Q

what is a numeric keypad?

A

Input

smaller keyboard that only has numbers. It is used to enter numeric data into computers

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3
Q

what is a Pin pad?

A

Input

device with numeric keypad used to enter a person’s Personal Identity Number (PIN)

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4
Q

what is a mouse?

A

Input

a pointing device found in most PCs. There are sensors on the bottom of the mouse that detect when the mouse is moved

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5
Q

what is a touch pad?

A

Input

a pointing device found on most laptops. Used instead of a mouse because it takes less space

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6
Q

what is a trackball?

A

Input

a pointing device that has a large ball that spins. They are often used by people with limited movement (disabilities)

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7
Q

what is a touch screen?

A

Input

an alternative pointing device. Users can select things on device by simply touching the screen

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8
Q

what are graphic tablets?

A

Input
they are a pointing device used by designers and artists to allow natural hand movements to be input to graphics applications

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9
Q

what is a joy stick?

A

Input
mainly used for video games. The users moves the joystick left, right, forward or back and data corresponds to these movements

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10
Q

what is a light pen?

A

Input

a device used in a pointing device to write on the screen of a computer

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11
Q

what is a scanner?

A

Input

a device that scans images, book pages, etc.

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12
Q

what is a digital camera?

A

Input

a device that capture digital photography

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13
Q

what is a video camera?

A

Input

a device that captures moving images, or video

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14
Q

what is a web cam?

A

Input

a basic video camera used to feed live video into a computer

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15
Q

what is a microphone?

A

Input

something that converts sound into a signal that can be fed into a computer

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16
Q

what is a magnetic strip reader?

A

Input
Many plastic cards, such as credit cards, have a strip of material that can be magnetised on the back. Data can be stored here in the form of magnetised dots.

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17
Q

what is a smart card?

A

Input
modern credit cards and ID cards don’t use a magnetic strip. They have a tiny ‘chip’ of computer memory embedded inside them (are often referred to as smart cards.)

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18
Q

what is a MICR reader?

A

Input
Magnetic Ink Character Recognition (MICR) is a technology that allows details from bank cheques to be read into a computer quickly and accurately.

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19
Q

what is an OMR Scanner?

A

Input
Optical Mark Recognition (OMR) is a technology that allows the data from a multiple-choice type form to be read quickly and accurately into a computer.

20
Q

what is an OCR scanner?

A

Input
an Optical Character Recognition (OCR) is a software technology that can convert images of text into an actual text file that can then be edited

21
Q

what is a barcode reader?

A

Input

a numeric code represented as a series of lines

22
Q

what are 8 different types of sensors?

A
  • temperature
  • light
  • pressure
  • moisture
  • water-level
  • movement
  • proximity
  • switch or button
23
Q

what does the sensor of temperature detect?

A

temperature

24
Q

what does the sensor of light detect?

A

light/ dark

25
Q

what does the sensor of pressure detect?

A

pressure

26
Q

what does the sensor of moisture detect?

A

dampness/ dryness

27
Q

what does the sensor of water-level detect?

A

how full/ how empty a container is

28
Q

what does the sensor of movement detect?

A

movement nearby

29
Q

what does the sensor of proximity detect?

A

how close/ how far something is

30
Q

what does the sensor of switch or button detect?

A

if something is touching/ pressing it

31
Q

how do remote controls work?

A

they send data signals each time a button is pressed using infrared light or radio signals

32
Q

what is a CPR monitor?

A

Output

a monitor that displays text and image data passed to it by the computer

33
Q

what is a flat screen monitor?

A

Output

they are light in weight and they take up very little desk space

34
Q

what is a loud speaker?

A

Output

they are essential for applications such as music editing, video conferencing, watching movies, etc.

35
Q

what is a a dot matrix printer?

A

Output

it is a pattern of dots used when creating paper printout

36
Q

how are dot matrix printers often use?

A

it uses a continuous stationary: long continuous strips of paper

37
Q

what is the quality of a dot matrix printer?

A

it is poor and the printers are very noisy

38
Q

what is a inkjet printer?

A

it is a cheap, high quality, full colour printing form . They have a similar mechanism to dot matrix printer

39
Q

what is a laser printer?

A

Output
they are complex and expensive printers, however, they are very cheap to use. Because of the paper it is faster to print this way

40
Q

what is a plotter?

A

Output

they draw on paper using a pen

41
Q

Output

what are 6 examples of actuators?

A
  • light bulb or led
  • heater
  • cooling unit
  • motor
  • pump
  • buzzer/ Bell/ siren
42
Q

what does a light bulb or LED do?

A

Output

they create light

43
Q

what does a heater do?

A

Output

Increases temperature

44
Q

what does a cooling unit do?

A

Output

Decreases the temperature

45
Q

what does a motor do?

A

Output

spins things around

ICT mock study pt2 (3 decks)

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