Components of Computer Systems

These flashcards cover essential vocabulary related to the components of computer systems, including definitions of devices and their purposes.

Input Devices

Devices used to enter data or information into a computer.

Output Devices

Devices that present processed data or information from a computer.

Storage Devices

Devices that store data or information on a computer.

Processing Devices

Devices used to process data or information.

Central Processing Unit (CPU)

The brain of the computer that holds and processes data and instructions.

RAM (Random Access Memory)

A temporary storage device used to store data that is actively being used and processed.

HDD (Hard Disk Drive)

A permanent storage device used to store large amounts of data.

SSD (Solid State Drive)

A faster storage device that uses flash memory.

USB Flash Drive

A removable storage device used to store and transfer data.

Mechanical Keyboard

A keyboard designed for heavy usage with spring-activated switches.

Wireless Keyboard

A keyboard that uses wireless technology like Bluetooth to connect without a cable.

Monitor

A display device that shows images and graphics output from the computer.

CRT (Cathode Ray Tube)

An older type of monitor that is bulkier and generates more heat.

LCD (Liquid Crystal Display)

A popular type of monitor known for its slim design.

LED (Light Emitting Diode)

A newer type of monitor that is energy-efficient.

Optical Disc Drive (ODD)

A drive that reads and writes data on optical discs like CDs and DVDs.

Automatic Voltage Regulator (AVR)

A device used to regulate voltage; turns off during power interruptions.

Uninterruptible Power Supply (UPS)

A device that provides backup power to a computer during an outage.

Expansion Card

An additional card used to add extra functions to a computer system.

Power Supply Unit (PSU)

A component that converts AC to DC and supplies electricity to the computer.

Floppy Disk Drive (FDD)

An outdated storage device for reading and writing floppy disks.