Reviewer Flashcards
Computer
A device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions
Hardware
The equipment and devices that make up a computer system.
Software
A computer program that tells the computer how to perform particular tasks
Peripherals
All of the other parts of the PC excluding the system unit are collectively known as peripherals.
System Unit
The main part, where the processing and storage takes place. A system unit includes a board called a motherboard that holds a microprocessor (or a CPU)
Keyboard
An arrangement of letters, numbers, and special function keys that act as the input device to the computer
Computer Mouse
A handheld input device with control buttons that allows the user to manipulate objects on the screen by moving the device along the surface of a desk.
Monitor
A video device that displays data or images generated by a computer or terminal
Printer
Output device that produces text or graphical images on paper.
Speaker
Output device that provides audible sound
Storage Device
Used to keep data when the power to the computer is turned off.
CPU (Central Processing Unit)
The processor and often called the brain of the computer. It performs arithmetic and logic operations.
Leading manufacturers of CPUs: Intel and AMD
RAM (Random Access Memory)
A form of computer memory that is used as a temporary storage
HDD (Hard Disk Drive)
The more RAM your CPU has access to, the easier its job becomes, which enables a faster computer. Random access memory also helps your system support software. Every piece of software requires a minimum amount of space and memory to be able to run smoothly
Optical Drive
Memory device that permanently stores and retrieves data on a computer
