Chapter 2 Flashcards
PC components
What is a system unit?
Case/Tower holds important things like the cpu, mother board. gpu, etc…
What is a monitor?
Primary output interface allows us to see what the computer is doing.
What is a Keyboard and Mouse?
Used to interact with PC. (Provide input)
What is a Printer?
Provide printer output for things that need to be printed.
What is a Speaker?
Provides sound
What is a Game Controller?
Used to interact with PC games.
What is a Webcam?
Can be used to communicate/see an individual you are on a call with. Ex: Skype.
What is a External Hard Drive?
External storage (portable) just extra storage.
What is a Headset?
Listen to audio applications and use the mic as an input for communication.
What is a Microphone?
Allows users to communicate.
What is an closed case PC?
Traditional PC build) What I have in my room.
What is an open case PC?
Also known as open air frame no frame and seen a lot with servers.
What Is a GPU?
Graphical Processing Unit (GPU) Allows user to run high demanding applications
What is RAM?
Random Access Memory (RAM) Temporary place where cpu stores things.
What is a CPU?
Central Processing Unit (CPU) more like the brain of the computer but really a big calculator.
What are some things you can find in an open case pc?
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.
What are some things you can find in a close case pc?
Mini-Din(Ps/2) (6 Pin that connects mice and keyboards)
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
What happens to applications when you turn off your PC?
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!
What happens when we click on an application?
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.
What happens when we save something like a file from an application?
The CPU instructs data that is on the RAM to save and send it to the mass storage.
What are two things Mass storage stores?
Data, and applications not in use. Ex: Games, photos, data, etc…
What makes something a computer?
It must have a CPU, RAM, Mass storage, and an operating system.
