turns the computer on or off, initiates sleep mode, and can force a shutdown in emergencies.
Power Button
indicates whether the device is powered on, in standby, or facing issues.
Power led indicator
read and write data to small, removable disks. However, advancements like CDs, DVDs, and USB flash drives have rendered them outdated due to limited storage capacity.
Floppy disk drive (FDD)
The LED indicates activity: lit when active (reading/writing), and off when idle
Floppy Disk LED
a small hole on the front of a CD/DVD drive. It's used to manually eject the disc tray if the electronic eject button fails or the computer is off.
Emergency Eject Button
a device serves the primary function of allowing audio output to be transferred to external headphones or speakers.
Headphone Jack
an audio input connector used to connect a microphone to a computer or audio device.
Microphone Jack
reads and writes data allowing for software installation, media playback, data backup, and compatibility with legacy content distribution.
Optical disc drive/cd/dvd drive
a system unit controls the optical disc drive tray, allowing users to insert or remove CDs, DVDs, or Blu-ray discs.
OPEN/CLOSE BUTTON
devices to be connected to each other with and transfer digital data over USB cables.
USBports
circulates air throughout the computer.
Power supply cooling fan
are devices that allows an electrical current to pass through it for the exclusive purpose of providing power to a device
Power connector/input
a 6-pin mini-DIN connector used for connecting keyboards and mouse to a PC compatible computer system.
Ps/2port
is a hardware interface on a computer that allows you to connect external devices for data transfer. It serves as a bridge between your computer and peripherals like printers, modems, and scanners, enabling communication between them.
Serial com part
is a standard display interface used to connect video output devices to computers and projectors to displays to monitors and TVs.
VGA port
a socket on a computer motherboard that allows you to add additional components to your system.
expansion slot
They play a vital role in managing temperature and dissipating the heat generated by internal components like the CPU, GPU, PSU, and storage devices.
Case Cooling Fan
commonly used to connect printers, scanners, and external storage devices like ZIP drives. They allowed for faster data transfer compared to serial ports, which could only transfer one bit at a time.
Parallel port
provides wired connectivity for devices, enabling functions like internet access, file sharing, printing, and local network communication.
ethernet/lan port
the audio jack found on an audio device that can be used to connect to another audio output device or microphone
Line in
It supplies power source to the system unit.
Power Supply Unit
It connect the computer to external devices.
Rear Panel of the system unit
turns the computer on or off, initiates sleep mode, and can force a shutdown in emergencies.
power button
indicates whether the device is powered on, in standby, or facing issues.
Power LED indicator
main board of the computer
motherboard
brain of the computer
CPU (Central Processing Unit)
Read and writes data from the DVD/CD
DVDROM
Temporary Storage of the Computer
RAM (Random Access Memory)
Main storage of the computer
HDD (Hard Disk Drive)
It supplies power source to the system unit.
PSU (Power Supply Unit)
Connects Hard Disk to the Motherboard
SATA Wire (Serial Advanced Technology Attachment)
A battery that maintains the time, date, hard disk and other configuration settings