Cisco IT Essentials V7 Modules 1-4 Vocab

Front

AC (Alternating Current)

Back

An electric current that reverses direction periodically, used in wall outlets.

Front

DC (Direct Current)

Back

An electric current flowing in one direction only, used by computer components.

Front

ATX

Back

Advanced Technology eXtended – common motherboard and power supply form factor.

Front

BIOS

Back

Basic Input/Output System – firmware used to initialize hardware during the boot process.

Front

UEFI

Back

Unified Extensible Firmware Interface – modern replacement for BIOS with more features and security.

Front

ESD (Electrostatic Discharge)

Back

Sudden flow of static electricity between two objects, can damage electronics.

Front

DIMM

Back

Dual Inline Memory Module – a type of memory module used in desktops.

Front

SODIMM

Back

Small Outline DIMM – compact memory module used in laptops.

Front

HDD

Back

Hard Disk Drive – traditional magnetic storage device.

Front

SSD

Back

Solid State Drive – storage device using flash memory, faster than HDDs.