Learning unit 1 Flashcards

1
Q

What are the tools used by an IT technician?

A

-ESD strap
-T15
-Software
-Tweezers
-Screwdrivers

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2
Q

What does the case/chassis contain?

A

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

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3
Q

What does an ESD strap do?

A

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

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4
Q

List the type of cases

A

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

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5
Q

Why are tower cases beneficial?

A

They provide maximum space for working inside the computer

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6
Q

Explain the use of loopback plugs

A

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

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7
Q

List the type of ports

A

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

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8
Q

Explain what an expansion bus does

A

They allow us to expand the motherboard capabilities

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9
Q

Explain the use of a memory bus

A

It connects to the North Bridge

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10
Q

What are the main chips controlling communication on a motherboard?

A

-North Bridge
-South Bridge

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11
Q

What are the uses of the North Bridge?

A

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

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12
Q

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

A

Because they need the fastest communication to the CPU

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13
Q

Explain the role of the South Bridge

A

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

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14
Q

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

A

It connects the North and South Bridge

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15
Q

Define chipset

A

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

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16
Q

What the the various types of electronic communication?

A

Serial and Parallel

17
Q

Define a lane

A

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

18
Q

Define a bus

A

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

19
Q

Why should you never lift a motherboard by its cooler?

A

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

20
Q

List the main internal components

A

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

21
Q

Define RAM (Random access memory)

A

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

22
Q

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

A

To hold memory, it provides RAM

23
Q

Explain the role of hard drives

A

They’re provide permanent storage to hold data and programs

24
Q

Explain the role of the power supply

A

It receives and converts house current so components can use it

25
Describe a form factor
It is standards that describe the size, shape, screw hole position and major features of computer cases, power supplies and the motherboard
26
What is the difference between Serial connection and Parallel connection
-Serial connection sends 1 bit of data at a time -Parallel connection sends multiple bits of data at a time