Small Outline DIMM – compact memory module used in laptops.

Hard Disk Drive – traditional magnetic storage device.

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

Legacy port used for connecting a keyboard (purple) or mouse (green).

Video Graphics Array – legacy analog video display standard.

High Definition Multimedia Interface – modern digital video/audio connector.

Small brass or plastic spacers that keep the motherboard from touching the case and shorting out.

Compound applied between CPU and heat sink to improve heat transfer.

Peripheral Component Interconnect Express – modern expansion bus for graphics, storage, and other cards.

Serial Advanced Technology Attachment – standard interface for storage devices like HDDs and SSDs.

Legacy 4-pin power connector used for older drives and fans.

Front Panel Connector

Set of small connectors for case LEDs, power button, reset button, and speaker.

Metal plate that fits on the back of the case to align external motherboard ports.

Power-On Self-Test – diagnostic test sequence run by BIOS/UEFI when the computer starts.

Complementary Metal Oxide Semiconductor – memory chip that stores BIOS settings, powered by a battery.

Trusted Platform Module – hardware chip that stores encryption keys and enhances security.

UEFI feature that ensures only trusted operating systems load at startup.

Defines the relationship between voltage (V), current (I), and resistance (R): V = I \times R.

Uninterruptible Power Supply – backup battery device that keeps equipment running during power loss.

Standby Power Supply – similar to UPS but with slower switchover time.

Redundant Array of Independent Disks – technology combining multiple drives for redundancy or performance.

Disk striping with no redundancy, improves performance but data loss if one disk fails.

Striping with parity, allows one disk to fail without losing data.

Like RAID 5 but can tolerate two simultaneous disk failures.

The fixed number of pixels a monitor can display optimally.

How many times per second a display redraws the image, measured in hertz (Hz).

Preventive Maintenance

Regular tasks to keep a computer running properly, such as cleaning and software updates.

Systematic process for diagnosing and fixing computer issues.

Six-Step Troubleshooting Process

Identify problem, establish theory, test theory, plan action, verify fix, document.

Tool used to measure voltage, current, and resistance in circuits.

Tool that quickly checks if a PSU outputs correct voltages.

Resources like manuals, repair journals, and online knowledge bases used in troubleshooting.

Cisco IT Essentials V7 Modules 1-4 Vocab Flashcards

Student preview

40 questions

Show all answers

1.

FLASHCARD QUESTION

Front

AC (Alternating Current)

Back

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

2.

FLASHCARD QUESTION

Front

DC (Direct Current)

Back

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

3.

FLASHCARD QUESTION

Front

ATX

Back

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

4.

FLASHCARD QUESTION

Front

BIOS

Back

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

5.

FLASHCARD QUESTION

Front

UEFI

Back

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

6.

FLASHCARD QUESTION

Front

ESD (Electrostatic Discharge)

Back

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

7.

FLASHCARD QUESTION

Front

DIMM

Back

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

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