Hardware components

Question 1

CPU (Central Processing Unit)

Answer 1

executes software instructions

Question 2

PSU (Power SUpply)

Answer 2

general purpose electric current -> direct current for the computer components

Question 3

RAM (Random Access Memory)

Answer 3

directly accessible by CPU

stores currently executing program and data

Question 4

Optical Drive

Answer 4

Data storage devices

Use rapidly rotating discs coatet with reflective material and read using a lazer diode

Question 5

HDD

Answer 5

Data storage devices

Use rapidly rotating discs (platters) coated with magnetic material

Question 6

SSD (Solid State Drive)

Answer 6

Use integrated circuit assemblies as memory to store data

Question 7

Video card (Graphics card)

Answer 7

Process the graphics output from the motherboard and transmit it to the display

Question 8

Audio card (Sound Card)

Answer 8

Audio input & output

Question 9

NIC (Network Interface Controller, network adapter, LAN adapter)

Answer 9

Connects a computer to a computer network

Question 10

Modem (modulator-demodulator)

Answer 10

Modulates signal to encode or decode transmitted digital information

Question 11

Motherboard (system board, main board)

Answer 11

primary circuit board, system components plus into it

Question 12

System cooling (Case, CPU or liquid cooling)

Answer 12

Removes waste heat

Question 13

Liquid cooling

Answer 13

Heat conductor - most often water

Question 14

BIOS

Answer 14

Initializes system hardware components

loads an OS from a mass storage device