Input and Output devices Input devices put data into the computer. Output devices process data out...
-
Upload
shanon-austin -
Category
Documents
-
view
252 -
download
3
Transcript of Input and Output devices Input devices put data into the computer. Output devices process data out...
Input and Output devices
Input devices put data into the computer.
Output devices process data out of the computer.
LO: Recognise and compare input and output and storage devices.
Learning outcome: Give correct response to exam-type questions
Examples of input devices
Keyboard MouseTouch pad
Tracker ball
Webcam/ Security camera
Joystick Bar code Reader Scanner
Digital Camera
More input devices
Midi instruments Sensors
Concept/specialised Keyboard
Foot operatedmouse
Graphics padButton
Output devices
CRT MonitorLCD/TFT Monitor
VDUs
Laser Printer Ink Jet Printer
Robot arm / Acuator
Speaker Touch ScreenBraille printer
Storage devices
Magnetic tape Hard disk USB disk CD ROM Solid State HD
Cost Medium High Low Low High
Speed V. Slow Fast Fast Slow Fast
Capacity Medium High Medium Low Medium
Exam Question…
Which of these are used as computer input devices?
A. Keyboard B. Inkjet printer
C. VDU D. Plotter
Exam Question…
Which of these can be used as both input and output devices?
A. Mouse B. Touch-screen
C. Touch Pad D. Barcode reader
Exam Question
Which of these are output devices
A. Magnetic strip reader
B. Mouse
C. Webcam D. Tracker Ball
Exam Question
Which of these are output devices
A. VDU B. CRT Monitor
C. Laser Printer D. 17” monitor
Exam Question Give one reason why a mouse may not be
suitable for use with a laptop computer
1 Can get lost
2 May not be enough room to use it.
3 etc…
Storage questions
How is data stored in a computer? What is a ‘bit’ What is a collection of bits called? Arrange the following into ascending
order:
Megabyte Bit Kilobyte
16-bit byteGigabyte8-bit byte