1.1.3

Question 1

input device

Answer 1

Any device that allows you to pass information from the outside word into a computer system

e.g. keyboard, webcam, microphone

Question 2

output device

Answer 2

Any device that can take data stored in digital form and convert it into another format that humans can process such as sound, images or vibrations

e.g. headphones, projectors, monitors

Question 3

storage device

Answer 3

Any device used for either temporary or permanent storage of data – can be internal or external

e.g. optical - CD, flash - USB, magnetic - hard drive

Question 4

drive

Answer 4

The device that reads and writes data from secondary storage.

Question 5

media

Answer 5

What the data is actually stored on.

Question 6

optical storage pros

Answer 6

cheap
lightweight
portable

Question 7

optical storage cons

Answer 7

slow access times
easily scratched

Question 8

optical storage examples

Answer 8

CD
DVD
Blue-ray

Question 9

magnetic storage pros

Answer 9

cheap
can hold a large capacity

Question 10

magnetic storage cons

Answer 10

slow access time
fragile

Question 11

magnetic storage examples

Answer 11

Magnetic hard drive
Mass storage tape

Question 12

solid state pros

Answer 12

durable
fast access time

Question 13

solid state cons

Answer 13

expensive
limited read/writes

Question 14

solid state examples

Answer 14

SD card
USB/flash drive
Portable solid-state drive

Question 15

RAM

Answer 15

Random Access Memory - volatile - Used for storing programs/data/parts of OS currently in use - faster than the hard disk

Question 16

ROM

Answer 16

Read Only Memory - non volatile - Used for storing BIOS / bootstrap - small amount on the motherboard

Question 17

virtual storage

Answer 17

aka: cloud storage
the concept of storing and retrieving data over the internet in the cloud instead of a local storage device

Question 18

virtual storage pros

Answer 18

access at any time
access from any device
easily share data
easy to colab
can be considered ‘unlimited’

Question 19

virtual storage cons

Answer 19

need wifi (sometimes works without wifi but not fully)
expensive
if connection is poor it is slow