1.11 GLOSSARY

 Cache Memory- Cache is a type of memory and is similar to RAM. A cache is used by the computer to move data between the RAM and CPU.

Bit- Represents a binary digit which is the amount of information obtained by asking a ‘yes’ or ‘no’ question. This is also the smallest unit of information stored on a computer as a 0 or 1.

Byte- Data is stored on a computer in the form of bytes. A byte is one character, which may be a number or letter. A byte is composed of 8 consecutive bits.

Flash Drive- This is a small portable hard drive that plugs into a USB port and allows you to transport files between different Graphical User Interface (GUI) - A program that helps you work easily with your operating system. Also, application programs by providing pictures and visual clues enhance your experience at work. Windows is the GUI on PCs.

USB Port– The Universal Serial Bus is accessed through small rectangular port on the front or back of computer that allows peripheral devices such as digital cameras and external hard drives to connect to the computer. See Ports for other types of connections.

App- A type of application software designed to run on a mobile device, such as a Smartphone or tablet computer (also known as a mobile application).

Bug- An error in a software program. It may cause a program to unexpectedly quit or behave in an unintended manner. The process of removing errors (bugs) is called debugging.

PROM- Programmable Read-Only Memory.

EPROM- Erasable Programmable Read-Only Memory.

EEPROM- Electronically Erasable Read-Only Memory.

ROM- Read-Only Memory.

HDD- Hard Disk Drive.

FDD- Floppy Disk Drive.

 CD- Compact Disk.

DVD- Digital Versatile Discs.

SSD- Solid State Disks.

SDRAM- Synchronous Dynamic Random-Access Memory.

DDR- Double Data Rate.

EDO DRAM- Extended Data Output Dynamic Random-Access Memory.

SRAM- Static Random-Access Memory.

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