Input & Output Devices MCQs with Answers

Past Paper MCQ

Which of the following statements correctly distinguishes between an Inkjet printer and a Laser printer?

• A.Inkjet printers use liquid ink sprayed through nozzles; Laser printers use toner powder fused with heat.
• B.Inkjet printers use toner powder fused with heat; Laser printers use liquid ink sprayed through nozzles.
• C.Both Inkjet and Laser printers use liquid ink, but Laser printers apply it with a laser beam.
• D.Both Inkjet and Laser printers use toner powder, but Inkjet printers spray it through nozzles.

What technology does a laser printer utilize for printing documents?

• A.Thermal
• B.Inkjet
• C.Laser
• D.Dot Matrix

What happens when the Caps Lock key is activated on a keyboard?

• A.Letters are typed in lowercase regardless of Shift key
• B.Only the first letter of each word is capitalized
• C.All letters are capitalized until turned off
• D.Numbers and symbols are also converted to uppercase

What is the term used for a single point of color on a computer screen?

• A.Pixel
• B.Voxel
• C.Texel
• D.Dot Pitch

What is the term used to describe the action of moving an item on the computer screen using a mouse to a different location?

• A.Point and Click
• B.Scroll and Select
• C.Drag and Drop
• D.Copy and Paste

How many arrow keys are typically found on a standard computer keyboard?

• A.2
• B.4
• C.6
• D.8

What unit is used to measure the printing speed of a LaserJet printer?

• A.Pages per minute
• B.Characters per second
• C.Lines per minute
• D.Dots per inch

Which key is the longest on a standard computer keyboard?

• A.Enter key
• B.Space key
• C.Shift key
• D.Backspace key

Which of the following is classified as an Optical Input Device?

• A.Joystick
• B.Keyboard
• C.Mouse
• D.Light Pen

What is the term for an identification code consisting of vertical lines and spaces of varying widths, commonly used for scanning and tracking products?

• A.QR code
• B.Bar code
• C.RFID tag
• D.Magnetic stripe