Input & Output Devices MCQs with Answers

What symbol does a computer display to indicate invalid data input?

• A.Yellow circle
• B.Green checkmark
• C.Red triangle
• D.Blue square

What is the typical resolution of a 4K display?

• A.4096×2160
• B.3840×2160
• C.1920×1080
• D.2560×1440

Colour printer uses colours ?

• A.3
• B.4
• C.5
• D.6

Which key on a keyboard is used to toggle between uppercase and lowercase letters?

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

Past Paper MCQ

Screen identifying multiple touches

• A.Resistive
• B.Capacitive
• C.Infrared
• D.CRT

Past Paper MCQ

Which of the following is an advanced type of monitor panel?

• A.LCD
• B.CRT
• C.Plasma
• D.IPS

Past Paper MCQ

Which technology is used in touchscreen to allow multiple simultaneous touches?

• A.Resistive Touch
• B.Capacitive Touch
• C.Infrared Touch
• D.Surface Acoustic Wave Touch

Past Paper MCQ

What is the primary function of a headphone in a computer system?

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

Past Paper MCQ

Dot matrix is a type of what computer peripheral?

• A.Monitor
• B.Scanner
• C.Printer
• D.Keyboard

Past Paper MCQ

What is the function of the Page Up key on a keyboard?

• A.To scroll to the top of the current page
• B.To move one line up
• C.To move to the beginning of the document
• D.To move one screen up