CPT 03

• 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 However, advancements like CDs, DVDs, and USB flash drives have rendered them outdated due to limited storage capacity.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.

  USB ports
• 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/2 port
• 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

  DVD ROM
• 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

  CMOS battery (Complementary metal-oxide semiconductor)
• connects a computer to a network.

  LAN card
• Is an expansion card which generates a feed of output images to a display device Frequently

  Video Card/ Graphics Card
• also known as a computer chassis.

  System case
• is an internal expansion card that provides input and output of audio signals to and from a computer under control of computer programs.

  sound card
• It is a non-volatile type of memory it holds even the computer is turned ON or OFF.

  ROM (Read Only Memory)
• The image shown system unit part is called

  Rear panel of the system unit
• Another name for the CD/DVD Drive is:  ______________

  Optical Disk/Drive
• 1. CD/DVD DRIVE