Computer Hardware Quiz

Which of the following is considered computer hardware?

• Monitor

• Scanner

• Keyboard

• All of the above

Answer explanation

All of the above options - Monitor, Scanner, and Keyboard are considered computer hardware components.

Which of the following is an input device?

• Computer monitor

• Mouse

• CD ROM

• Printer

Answer explanation

The correct input device among the options is the Mouse.

Match the following devices with their correct category as output or input devices.

• Mobile Storage device

• Computer monitor

• Output device

• CD ROM

• Storage device

• Keyboard

• Input device

• Hard disk

Answer explanation

Which of the following is a storage device?

• CD ROM

• Laser printer

• RAM (Random Access Memory)

• Scanner

Answer explanation

CD ROM is a storage device because it can store data for later retrieval, unlike a laser printer, RAM, or a scanner.

(a)   is an input device.

• Speed camera

• Speaker

• Flash drive

• Inkjet printer

Answer explanation

Speed camera is an input device because it captures data or information from the environment and inputs it into a system for processing.

Which of the following is an output device?

• Lift button

• Joystick

• Laser printer

• Scanner

Answer explanation

The correct output device among the given choices is the Laser printer, as it is used to produce printed documents or images from a computer.

Which of the following is computer software?

• Touch screen

• MS Windows

• Printer

• Floppy disc

Answer explanation

MS Windows is computer software, while touch screen, printer, and floppy disc are hardware components.

A CD ROM is:

• A magnetic storage device read by magnetised read-write head

• An optical storage device read by a laser beam

• A magnetic storage device read by magnetised read-write head

• A magnetic storage device read by a laser beam

Answer explanation

An optical storage device read by a laser beam

On a CD ROM, how is data written?

• In concentric circles

• Randomly across the surface

• In a single straight line

• In parallel lines

Answer explanation

On a CD ROM, data is written in concentric circles, allowing the laser to read the data by following the circular tracks.

Can you write data to a CD ROM more than once?

• Yes, repeatedly

• No, only once

• Yes, but only twice

• No, it is read-only

Answer explanation

No, only once - CD ROMs are write-once media, meaning data can only be written to them once and cannot be erased or rewritten.