1.1.3 Input, Output and Storage Devices

Question 1

Main memory definition?

Answer 1

Main memory refers to storage locations that are directly accessible by the processor.

Question 2

What is Secondary Storage?

Answer 2

The storage in which the computer can store all the data and instructions not currently in use but needed in the long-term.

Question 3

What does the BIOS hold?

Answer 3

Instructions to:
1. Initialize Hardware.
2. Boot/Start the computer.

Question 4

What is Virtual Memory?

Answer 4

The use of secondary storage by the OS as additional RAM.

Question 5

What does the type of storage chosen depend on?

Answer 5

Cost, Speed, Capacity, Durability and Reliability.

Question 6

3 main types of secondary storage?

Answer 6

Magnetic, Flash/solid-state and Optical.

Question 7

What is Virtual Storage?

Answer 7

(Cloud Storage) Storing data over the internet instead of a local storage device.

Question 8

Advantages of virtual storage?

Answer 8

Data can be accessed anywhere.
Easily shared.
Capacity can be limitless.
Capacity scalable.
Other people take care of baking up data and security.

Question 9

Disadvantages of virtual storage?

Answer 9

Need fast, reliable Internet.
Can get quite expensive.
You need to trust whoever is running the service.

Question 10

List some input devices?

Answer 10

Normal Ones.
GPS.
Accelerometer.
Gyroscope.
Pedometer.

Question 11

List some output devices?

Answer 11

Monitors.
Printers.
Speakers.
Projectors.
etc.