Unit One: Concept Review

Hardware devices that allow data to be transmitted to the computer is called?

• Output Devices

• Input Devices

• Direct Data Entry

• Storage Devices

Hardware devices that allow data to be transmitted to the computer is called?

• Output Devices

• Input Devices

• Direct Data Entry

• Storage Devices

An input device used to enter characters and functions into the computer system pressing buttons, called?

• Remote control

• Keyboard

• Mouse

• Touch screen

An input interface that allows a user to input spatial data to a computer, called?

• Pointing device

• Joystick

• Keyboard

• Touch screen

An input device used to operate another device from a distance, usually wirelessly, called?

• Joystick

• Touch screen

• Remote control

• Pointing device

A machine that examines the body through the use of radiation and ultrasound as a diagnostic aid, called?

• Touch screen

• Printer

• Scanner

• Digital camera

Out of these input devices, which one has the disadvantages of the display may get dirty, then become less-visible and cause malfunction.

• Joystick

• Touch screen

• Keyboard

• Pointing device

A device that inputs data to a computer, the data is a measurement of some physical quantity that is continuously changing, called?

• Microphones

• Digital Camera

• Sensors

• Graphic tablet

Choose two advantages of video camera compared to digital camera

• DV file extension gives very high quality of image

• Easier and faster to upload images

• Easier to manipulate footage using specialist software

• Memory card can store thousand of pictures

Types of sensor that is used in washing machine, central heating systems, and ovens

• Moisture

• Pressure

• Light

• Temperature