Chapter 2 - Input Device practice

Below is the list of input device except

• Monitor

• Keyboard

• Mouse

• Sensors

State two (2) the use of keyboard

• Input Data
• Typing command
• Voice command

Which is not the advantages of Keyboard

• Fast entry of new text

• Easy to use for most people

• Easier to do verification

• Slow method compare to direct data entry

State three (3) your understanding of Concept Keyboard

• uses phrases
• used in fast-food restaurant
• Uses icons
• Contains QWERTYUIOP keys

State three (3) pointing device you know

• Mouse

• Touch pad

• Trackerball

• Keyboard

Which the statement below is the main function of mouse

• Control the pointer by rotating the ball

• Control by moving a finger and gently tapping

• Can double click, right click and left click

• Drag and touch the icon my finger

Decribe the two (2) advantages and two (2) disadvantages of using the tracker ball compare to mouse.

• easier to operate
• More robust
• Costly

• Need training

• Need to clean the screen

Choose two touch screen advantages

• limited number of option available

• Faster entry of option available

• Can get dirty easily

• User friendly - no training needed

Which is not the use of scanner

• Scan photograph

• Scan barcode

• Scan document

• scan human interior organ

State two (2) advantages of scanner

• Image can be stored for editing
• posible to recover damage document and photograph
• Limited quality

• Slower