1.1.3

Question 1

Input Device

Answer 1

Used to put data and information into a computer

-Keyboard
-Webcam
-Microphone

Question 2

Output Device

Answer 2

Allows information to be received from a computer

-Speakers
-Monitor
-Projectors

Question 3

Optical Storage

Answer 3

Read from or written to using lasers by using pits or lands on the disc which represent binary information

• CD
• DVD

Question 4

Optical Storage - CD

Answer 4

Easily damaged
Portable
Limited storage capacity
Suited to storing audio

Question 5

Optical Storage - DVD

Answer 5

Easily damaged
Portable
Higher storage than CD
Suited to storing video

Question 6

Magnetic Storage

Answer 6

Stores information magnetically and represents binary information using two magnetic states (polarised+unpolarised)

• Hard disk drives ( HDD )
• Floppy Disks

Question 7

Magnetic Storage - HDD

Answer 7

High storage capacity
Not portable

Question 8

Magnetic Storage - Floppy Disks

Answer 8

Portable
Low storate capacity

Question 9

Flash Storage

Answer 9

Works by using a special type of ROM that can be overwritten

• Solid State Drive ( SSD )

Question 10

Flash Storage - SSD

Answer 10

Portable
Resistant to damage
Expensive

Question 11

Read only Memory ( ROM )

Answer 11

-Memory cannot be altered
-Non-volatile (data isn’t erased)
-Ideal for storing the BOOT or OS

Question 12

Random Access Memory ( RAM )

Answer 12

Memory can be altered
Volatile
Used to store data and programs that the computer is currently using

Question 13

Virtual Storage

Answer 13

Storing data ‘ on the cloud ‘ rather than locally

Large storage which is also backed up
Can be accessed from anywhere