Learning unit 1

Question 1

What are the tools used by an IT technician?

Answer 1

-ESD strap
-T15
-Software
-Tweezers
-Screwdrivers

Question 2

What does the case/chassis contain?

Answer 2

-Power supply
-Motherboard
-Processors
-Memory modules
-Hard drives
-Expansion cards

Question 3

What does an ESD strap do?

Answer 3

It protects against electrostatic discharge which damages the chips and damages the motherboards

Question 4

List the type of cases

Answer 4

-Tower case
-Desktop case
-Mobile case (All-in-one case)

Question 5

Why are tower cases beneficial?

Answer 5

They provide maximum space for working inside the computer

Question 6

Explain the use of loopback plugs

Answer 6

They’re used to test a network port to ensure that it works

Question 7

List the type of ports

Answer 7

-VGA
-DVI
-HDMI
-DisplayPort
-Thunderbolt 3 Port
-Audio Port

Question 8

Explain what an expansion bus does

Answer 8

They allow us to expand the motherboard capabilities

Question 9

Explain the use of a memory bus

Answer 9

It connects to the North Bridge

Question 10

What are the main chips controlling communication on a motherboard?

Answer 10

-North Bridge
-South Bridge

Question 11

What are the uses of the North Bridge?

Answer 11

It’s a memory hub. It’s responsible for high data transfer devices

Question 12

Why is the North bridge responsible for high data transfer devices and RAM?

Answer 12

Because they need the fastest communication to the CPU

Question 13

Explain the role of the South Bridge

Answer 13

It controls hard drives, USBs and the internet. Its an I/O controller hub

Question 14

What is the use of the DMI (Direct media interface) aka internal bus

Answer 14

It connects the North and South Bridge

Question 15

Define chipset

Answer 15

A group of integrated chips that are designed to work together and are marketed as a single product

Question 16

What the the various types of electronic communication?

Answer 16

Serial and Parallel

Question 17

Define a lane

Answer 17

Two serial wires that enable the sending and receiving of data simultaneously

Question 18

Define a bus

Answer 18

A wire/ group of wires that carry data from one place to another

Question 19

Why should you never lift a motherboard by its cooler?

Answer 19

It might create air gaps causing the processor to later on overheat

Question 20

List the main internal components

Answer 20

-Motherboard
-Processor
-Memory modules
-Power Supply
-Expansion cards

Question 21

Define RAM (Random access memory)

Answer 21

Its temporary storage for data and instructions as they’re being processed by the CPU

Question 22

What is the role of the DIMM (dual in-line memory module)?

Answer 22

To hold memory, it provides RAM

Question 23

Explain the role of hard drives

Answer 23

They’re provide permanent storage to hold data and programs

Question 24

Explain the role of the power supply

Answer 24

It receives and converts house current so components can use it

Question 25

Describe a form factor

Answer 25

It is standards that describe the size, shape, screw hole position and major features of computer cases, power supplies and the motherboard

Question 26

What is the difference between Serial connection and Parallel connection

Answer 26

-Serial connection sends 1 bit of data at a time

-Parallel connection sends multiple bits of data at a time