TUTORIAL 9 :Input and Input Devices

Which of the following best defines “input” for a computer system?

• Data that has been processed and stored

• Data and instructions entered into the computer for processing

• The output displayed by the computer

• The storage medium used by the computer

Which device is primarily considered an input device?

• Monitor

• Printer

• Keyboard

• Speaker

What type of input device is a mouse classified as?

• Keyboard device

• Pointing device

• Audio input device

• Storage device

Which of the following is not an input device?

• Scanner

• Microphone

• Keyboard

• Projector

A device that converts printed text into digital form is called a:

• Digital camera

• Barcode reader

• Scanner

• Touch-pad

Which of the following input devices uses voice as its input medium?

• Joystick

• Microphone

• Webcam

• Stylus

Which of the following describes a “touch screen” device?

• It only displays output.

• It both displays output and accepts input via touch.

• It only accepts input via keyboard.

• It only accepts input via a mouse.

Which of the following is considered a “motion input” device?

• Barcode scanner

• Accelerometer in a smartphone

Which of these is characteristic of an assistive-technology input device?

• It prints documents

• It helps individuals with disabilities to enter data

• It stores large amounts of data

• It displays high-definition video

What is the principal difference between a keyboard and a pointing device?

• Pointing devices cannot enter text; keyboards can.

• Keyboards always use wireless connections; pointing devices do not.

• Keyboards convert analog signals; pointing devices convert digital signals.

• Pointing devices only produce direct commands; keyboards only store backup.