A+ 1001: The visible Computer Flashcards
Computer components
System Unit Monitor Keyboard Mouse Game console Printer Microphone Speakers Headset Webcam External Harddrive
Visual output device
Monitors
Visual input device
Web camera
System unit
contains motherboard, CPU, RAM, and hard drives, Every other device is a peripheral
control input devices
Keyboard, mouse, consoles
paper output device
printer
Audio input device
Microphone
Audio output devices
Speakers and Headsets
Peripherals
Anything external to or connected to the system unit
Connected through
USB RJ-45 Sound connectors DVI HDMI Visual Display Port Power Connector
USB
Universal Serial Bus
RJ - 45
Network cable connections
Used to connect to a wired network
DVI
Digital Visual Interface
HDMI
High definition multimedia interface
Video connectors
HDMI
DVI
Visual Display Port
mini Display Port (laptop)
Mini-DIN (PS/2)
Older connection types for keyboards and mice, replaced with usb ports
parallel port (LPT port)
Older connection type that was used almost exclusively for printers
Serial port
x
VGA
Video Graphics Array
Older type connector for connecting monitors
Anti-theft connector
Found on laptops
used to tie laptops down
SD Card slot
Used to connect SD Cards
PCIe
Expansion slots
Chipset
Chip on motherboard that defines all the different features of the motherboard
Front panel connectors
Connects the front panel to the motherboard
example:
on/off button
Reset button
CPU
Central processing unit
used to run programs and manipulate peripherals
Mass storage
SSD or SATA
Provides persistent storage
Where programs live when power is off.
Stores data and programs
RAM
Random Access Memory
Runs programs when they are executed by CPU
4 main components of a computer
CPU
RAM
Mass Storage
Operating System
This external connector supports connecting to a network.
a. ) RJ-45
b. ) PS/2
c. ) Parallel Port
d. ) Mini-DIN
a.) RJ-45
RJ-45 connectors are for Ethernet network cables. PS/2 connectors are for mice and keyboards; parallel ports are for printers; and Mini-DIN is another name for a PS/2 connector.
Which component is not installed directly onto the motherboard?
a. ) Chipset
b. ) CPU
c. ) RAM
d. ) Thermal Paste
d.) Thermal Paste
Which item is not a computer?
a. ) Laptop
b. ) Tablet
c. ) CPU
d. ) Android phone
c.) CPU
A CPU is a chip that can calculate, but is not a full computer. An SSD is a storage device, not a computer. Tablets, Raspberry Pi’s, Android phones and laptop are all computers.
