Hardware/Software Flashcards
1
Q
PSU
A
- Power Supply Unit
- Supplies power to an electrical device
- Must operate correctly in order for the device to work
2
Q
RAM
A
- Random Access Memory
- Information memory in a computer that is used store running programs and data for programs
- Stored in DIMMS
- Contents of RAM are accessible faster than other storages
- Volatile- imformation will lost once device is switched off
3
Q
Heatsink
A
- Is attached along with a fan to the CPU to cool it down to prevent overheating
4
Q
BIOS
A
- Basic Input Output System
- The hardware that brings the computer to life
- A program embedded in the motherboard of the comnputer that controls various devices that make up the computer
4
Q
Hard Drive
Hard Disk Drive
A
- Houses the hard disk
- Stores all data (Where all your files are physically stored)
- Can hold up to 100GB of data
5
Q
SSD
A
- Uses flash memorry to store data(thus providing better reliability over hard disk drive)
- Do not have any moving parts and use less power (making user’s battery life longer)
6
Q
Wireless Router
A
- Performs the functions of a router and performs the functions of a wireless access point
- Used to provide access to the internet or private computer network
7
Q
Firewire
A
- A standard serial bus for connecting digital devices together or to a computer
- Used widely in the MAC world to connect external hard drives and cameras
8
Q
HDMI
A
- High definition Multimedia Interface
- A cable that sends/transmits video and sound and thus does not need an AUX
9
Q
CPU
A
- Central Processing Unit
- The ‘brain’ of the computer where calculations take place
10
Q
Touchscreen
A
- Both an input and output device
- Is usually layered on top of an electronic visual display of an information processing system
10
Q
Webcam
A
- A small video camera feeds/streams images or videos in real time to a computer or computer network like the internet
- Is usually attached to a monitor, hardware, or sits on a desk
11
Q
Monitor
A
- An output device that displays the result of processing
Aspect ratio, contrast ratio, size
11
Q
Types of Printer
A
- 3D Printer
- All in One (AIO)
- Dot matrix
- Inkjet
- Laser
- Multifunction Printer(MFP)
A machine for printing text or images
12
Q
.
Tower
A
A metal chassis that is set vertically that houses all the computer’s components, usually sits on the floor next to computer
13
Q
Optical Drive
A
- A drive that allows the use of optical media like CDs, DVDs, and Blu-Ray
- Contains lenses that project electromagnetic waves that are responsible for reading and writing data on optical discs
14
Q
Flash Drive
A
- Electrominc device containing flash memory that is used for storing/transferring data to and from a computer, digital camera, etc.
14
Q
Memory Card
A
- Electronic data storage device used for storing digita; information using flash memory
- Mostly used in portable electronic devices
15
Q
Graphics Card
A
- Consists of a graphic processing unit designed to process the display of images, especially 3D graphics
- Take strain off of the main processing unit
- Can have their own memory which takes strain off of RAM
16
Q
POS
Point of Sale
A
Where the customer makes a purchase at a store
17
Q
Projector
A
- A device that projects an image onto a surface
- Some create an image through shining a light through a small transparent lense, but some project directly through lasers r
18
Q
Digital Camera
A
- A camera that produces digital images that can be stored on a computer and displayed on a screen
Megapixels, optical zoom, IOS, Shutter speed
