Input & Output Devices MCQs with Answers

Which technology is primarily used by banks to read information from cheques?

• A.Optical Character Recognition (OCR)
• B.Magnetic Ink Character Recognition (MICR)
• C.Barcode Reader
• D.Radio Frequency Identification (RFID)

Identify the correct pairing between a computer hardware component and its function.

• A.Monitor --> Output
• B.Scanner --> Output
• C.Printer --> Input
• D.Keyboard --> Output

Which two components are necessary to play and hear sound on a computer?

• A.Graphics card and Monitor
• B.Microphone and Headphones
• C.Sound card and Speakers
• D.RAM and Processor

What is the primary function of Optical Character Readers (OCR) in computer systems?

• A.Output
• B.Input
• C.Storage
• D.Processing

What is the device called that translates instructions into binary form understandable by a computer?

• A.Output device
• B.Storage device
• C.Input device
• D.Processing device

Which input device is primarily used to control the position of the pointer on a computer screen?

• A.Scanner
• B.Keyboard
• C.Mouse
• D.Microphone

Past Paper MCQ

Which of the following are considered as input devices among these: Keyboard, Mouse, Card reader?

• A.Keyboard only
• B.Keyboard and Mouse only
• C.All of these
• D.Mouse and Card reader only

Which technology is used in computer monitors?

• A.RAM
• B.ROM
• C.CRT
• D.BIOS

What type of ball does a mechanical mouse use to detect movement?

• A.Plastic
• B.Rubber
• C.Metal
• D.Glass

Which key is used in combination with other keys to type uppercase letters on a keyboard?

• A.Caps Lock Key
• B.Shift Key
• C.Tab Key
• D.Alt Key