Chapter 2

Question 1

What is a system unit?

Answer 1

Case/Tower holds important things like the cpu, mother board. gpu, etc…

Question 2

What is a monitor?

Answer 2

Primary output interface allows us to see what the computer is doing.

Question 3

What is a Keyboard and Mouse?

Answer 3

Used to interact with PC. (Provide input)

Question 4

What is a Printer?

Answer 4

Provide printer output for things that need to be printed.

Question 5

What is a Speaker?

Answer 5

Provides sound

Question 6

What is a Game Controller?

Answer 6

Used to interact with PC games.

Question 7

What is a Webcam?

Answer 7

Can be used to communicate/see an individual you are on a call with. Ex: Skype.

Question 8

What is a External Hard Drive?

Answer 8

External storage (portable) just extra storage.

Question 9

What is a Headset?

Answer 9

Listen to audio applications and use the mic as an input for communication.

Question 10

What is a Microphone?

Answer 10

Allows users to communicate.

Question 11

What is an closed case PC?

Answer 11

Traditional PC build) What I have in my room.

Question 12

What is an open case PC?

Answer 12

Also known as open air frame no frame and seen a lot with servers.

Question 13

What Is a GPU?

Answer 13

Graphical Processing Unit (GPU) Allows user to run high demanding

Question 14

What is RAM?

Answer 14

Random Access Memory (RAM) Temporary where cpu stores things.

Question 15

What is a CPU?

Answer 15

Central Processing Unit (CPU) more like the brain of the computer but really a big calculator.

Question 16

What are some things you can find in an open case pc?

Answer 16

Mini-Din (PS/2): used for mouses and keyboards back in the older days.

USB (Universal Serial Bus) & USB Type-C (newer standard port)

HDMI (High Definition Multimedia Interface: seen connected to tvs

WI-FI adapter

Audio Connectors

I/O Shield (Input/Output shield) specific to motherboard used.

Question 17

What are some things you can find in a close case pc?

Answer 17

Mini-Din(Ps/2)

USB’s (Comes in different colors as some ports offer different features or speeds.

VGA (Video Graphics Array)

DVI (DIgital Visual Interface)

USB- Type C (new standard)

Old USB 2.0 and 3.0

HDMI

RJ45 Where ethernet cable plugs in.

Audio ports (different colors)

S-Video

Expansion slots

Question 18

What happens to applications when you turn off your PC?

Answer 18

When your PC is turned off any applications you have are stored on your mass storage. Main purpose of mass storage is to store data when when we are not using it!

Question 19

What happens when we click on an application?

Answer 19

CPU “talks” to HD. It ask for an application like microsoft word. Hard drive is not as fast as a CPU. What happens when we run a program is we are taking a copy of the application and placing it onto our RAM. RAM fast RAM expensive. Once it is on the RAM our application is running. Application then waits for some type of input like typing.

Question 20

What happens when we save something like a file from an application?

Answer 20

The CPU instructs data that is on the RAM to save and send it to the mass storage.

Question 21

What are two things Mass storage stores?

Answer 21

Data, and applications not in use. Ex: Games, photos, data, etc…

Question 22

What makes something a computer?

Answer 22

It must have a CPU, RAM, Mass storage, and an operating system.