Computer Systems Quiz

What is the main purpose of a computer system?

• To process data into meaningful information

• To play games

• To watch movies

• To listen to music

Which category do input devices fall under?

• Output

• Storage

• Processing

• Input

What is the function of a barcode reader?

• Print documents

• Take pictures

• Play music

• Read barcodes and convert them into data

Which device is used to control the movement of the onscreen pointer and cursor?

• Microphone

• Scanner

• Keyboard

• Mouse

What is the purpose of a stylus?

• Control the movement of the cursor

• Read barcodes

• Scan documents

• Enter data by reacting to a touch-sensitive screen

Which device is commonly found in laptop computers for controlling the pointer?

• Touch pad

• Touch screen

• Joystick

• Trackball

What is the function of a microphone as an input device?

• Input images

• Input videos

• Input sound which is converted into digital form

• Input text

Which device is used to read pencil or pen marks made in pre-defined positions on paper?

• Optical Character Reader

• Magnetic Stripe Reader

• Digital Camera

• Optical Mark Reader

What is the purpose of a touch screen/digitizer?

• Scan images

• Read barcodes

• Receive input based on finger movement

• Print documents

Which device is used to control the movement of the onscreen cursor or pointer?

• Microphone

• Mouse

• Keyboard

• Trackball