1.1.3 Input, Output And Storage

Question 1

Give two types of magnetic storage

Answer 1

1. Hard disk drive
2. Floppy disk
3. Magnetic tape

Question 2

Give three examples of input devices

Answer 2

Keyboard, Mouse, microphone, Webcam, touchpad, barcode reader and magnetic stripe reader

Question 3

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

Answer 3

Touchscreen or controller

Question 4

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

Answer 4

Pits

Question 5

What does CD stand for?

Answer 5

Compact Disc

Question 6

Give three examples of output devices

Answer 6

Speaker, Monitor, Printer and Projector

Question 7

What has the highest typical storage capacity: CD, DVD or Blu-Ray?

Answer 7

Blu-Ray

Question 8

In a hard disk drive, what is mounted at the end of the actuating arm?

Answer 8

Read / write head

Question 9

Which storage device has typical capacities of 500GB-5TB?

Answer 9

Hard disk drive

Question 10

Give two disadvantages of SSD’s

Answer 10

1. Very costly
2. Limited lifespan

Question 11

What does ROM stand for?

Answer 11

Read only memory

Question 12

Describe the structure in which information is stored in flash memory

Answer 12

Information is stored in blocks, which are combined to form pages.

Question 13

What does non-volatile mean?

Answer 13

A non-volatile storage medium does not lose its information when power is lost.

Question 14

Which two types of logic gates are used in flash storage?

Answer 14

NAND or NOR

Question 15

Give three advantages of SSD

Answer 15

1. High transfer speed
2. Lightweight and portable
3. No moving parts

Question 16

Is ROM volatile or non-volatile?

Answer 16

Non-volatile

Question 17

Which form of storage device uses silicon semiconductor to store information?

Answer 17

Flash storage

Question 18

Give three disadvantages of CDs

Answer 18

1. Easily damaged by scratches
2. Low capacity
3. Low transfer speeds