1.1.3. Input, Output and Storage

Give two types of magnetic storage.

• Hard disk drive, Magnetic tape

• Compact disc, Flash drive

• Blu-ray disc, SSD

• DVD, RAM

Answer explanation

The correct types of magnetic storage are hard disk drives and magnetic tapes. Both use magnetic fields to store data, unlike the other options which include optical and solid-state storage technologies.

Give two types of magnetic storage. Two from: Hard disk drive, Floppy disk, Magnetic tape.

• Hard disk drive, Floppy disk

• CD, DVD

• SSD, USB flash drive

• Blu-ray, SD card

Answer explanation

The correct answer is 'Hard disk drive' and 'Floppy disk' as both are types of magnetic storage. They use magnetic media to read and write data, unlike the other options which are optical or solid-state storage.

Give three examples of input devices.

• Keyboard, Mouse, Scanner

• Monitor, Printer, Speaker

• CPU, RAM, Hard Disk

• Projector, Plotter, Microphone

Answer explanation

The correct answer is 'Keyboard, Mouse, Scanner' as these are all input devices used to enter data into a computer. The other options include output devices or components, which do not fit the definition of input devices.

Give three examples of input devices.

• Keyboard, Mouse, Microphone

• Monitor, Printer, Speaker

• CPU, RAM, Hard Disk

• Projector, Scanner, UPS

Answer explanation

The correct choice is 'Keyboard, Mouse, Microphone' as these are all input devices used to provide data to a computer. The other options include output devices or components that do not serve as input devices.

A device which is used for both input and output is:

• Printer

• Touchscreen

• Keyboard

• Monitor

Answer explanation

A touchscreen serves as both an input and output device, allowing users to interact with the display by touching it, while also showing visual information. In contrast, printers, keyboards, and monitors serve only one function.

Give an example of a device which is used for both input and output.

• Touchscreen

• Printer

• Keyboard

• Monitor

Answer explanation

A touchscreen serves as both an input and output device. It allows users to interact with the display by touching it (input) while also showing visual information (output), making it the correct choice.

What name is given to the areas on a CD’s surface which have been burned into grooves by a laser?

• Pits

• Grooves

• Tracks

• Lands

Answer explanation

The areas on a CD's surface that have been burned into grooves by a laser are called 'pits'. These pits represent the data encoded on the disc, distinguishing them from the flat areas known as 'lands'.

What name is given to the areas on a CD’s surface which have been burned into grooves by a laser?

• Pits

• Grooves

• Tracks

• Marks

Answer explanation

The areas on a CD's surface that have been burned into grooves by a laser are called 'pits'. These pits represent the data encoded on the disc, making 'pits' the correct term compared to grooves, tracks, or marks.

What does CD stand for?

• Compact Disc

• Central Device

• Control Data

• Current Drive

Answer explanation

CD stands for Compact Disc, which is a digital optical disc storage format used for storing data, including music and software. The other options do not accurately represent the widely recognized meaning of CD.

What does CD stand for? ________

• Compact Disc

• Central Device

• Control Data

• Current Drive

Answer explanation

CD stands for Compact Disc, which is a digital optical disc storage format used to store data, including music and other media. The other options do not accurately represent the widely recognized meaning of CD.