NICS 001

Question 1

What is a computer

Answer 1

Every single device that exists which does any kind of processing is a “Computer”

Question 2

What are the four different types of computer systems

Answer 2

personal computers
mobile devices
servers
smart/internet connected devices

Question 3

what can a personal computer do

Answer 3

These are relatively powerful devices that let you perform a number of different tasks.
This classification also includes Laptops but these are considered “All-In-One”.
Generally you are able to upgrade these.

Question 4

what is a mobile device

Answer 4

The term “Mobile Devices” is a general term a small, handheld computer.

Question 5

what is a server

Answer 5

A server is a computer that is connected to the internet or intranet of a company that provides centralised resources. they can handle thousands of requests at once

Question 6

what is a smart/internet enabled device

Answer 6

these exist to connect to a network and transmit various types of data including lights, fridge and many more things. These devices form “The internet of things”.

Question 7

What is hardware

Answer 7

Hardware are the parts inside the computer that make it “go”.

Question 8

What is the motherboard

Answer 8

This is what all of your components inside of a computer will plug into.

Question 9

What is the Central Processing Unit (CPU)

Answer 9

This is the brain of the computer, almost every single activity performed on the computer goes through here (apart from specialised processes).

Question 10

What is the Graphics Processing Unit (GPU)

Answer 10

The part of the computer that lets you play games with any kind of shadows or particles. Basically just a specialised CPU

Question 11

What is a hard disk/solid state drive (HDD/SSD)

Answer 11

We use HDDs or SSDs to store data, these are “Non Volatile” which means that when power goes out, these maintain the data stored.

Question 12

What are some qualities of a HDD?

Answer 12

Cheap and high capacity
Slower than SSD

Question 13

What are some qualities of SSD?

Answer 13

Expensive and low capacity
Faster than HDD

Question 14

What is Random Access Memory (RAM)?

Answer 14

RAM stores all application data in “Volatile memory”. Data stored here is faster to access compared to HDDs and SSDs.

Question 15

What is volatile memory

Answer 15

This means that if the power goes out, data stored here is lost.

Question 16

What is non-volatile memory

Answer 16

This means that if the power goes out, the data remains stored.

Question 17

What is a power supply unit (PSI)?

Answer 17

Supplies power to our machine.

Question 18

What is a peripheral?

Answer 18

A Peripheral device is one that is “around” a computer. These are almost exclusively input and output devices.
Keyboard/Mouse
Monitor