Set 22

Question 1

ITX

Answer 1

A small motherboard form factor (e.g., Mini-ITX) designed for compact computers and small builds.

Question 2

Jack

Answer 2

A physical connector or port for audio, video, or network cables (e.g., headphone jack, Ethernet jack).

Question 3

Jailbreaking

Answer 3

The process of removing software restrictions on iOS devices to allow installation of unauthorized apps and customizations.

Question 4

Jitter

Answer 4

The variation in delay of data packets over a network, which can cause poor audio/video quality.

Question 5

Joule

Answer 5

A unit of energy measurement in the International System of Units (SI), often used to quantify electrical energy.

Question 6

Jumper

Answer 6

A small connector used on motherboards or drives to configure hardware settings by opening or closing circuits.

Question 7

Keep My Files

Answer 7

An option during Windows upgrades or resets that reinstalls the OS but preserves user files.

Question 8

Kerberos

Answer 8

A network authentication protocol that uses tickets to allow secure user login in Windows domains.

Question 9

Kernel

Answer 9

The core part of an operating system that manages hardware, system resources, and communication between software and hardware.

Question 10

Kernel Panic

Answer 10

A critical system error in Unix/Linux/macOS where the OS cannot safely continue, often requiring a reboot.

Question 11

Key Fob

Answer 11

A small hardware device used for remote access or authentication, such as car remotes or security tokens.

Question 12

Keychain

Answer 12

In macOS/iOS, a secure storage system for passwords, certificates, and keys.

Question 13

Keylogger

Answer 13

A program or device that records keystrokes covertly, often used maliciously to capture passwords.

Question 14

Kill

Answer 14

A command or action to terminate a running process or program in an operating system.

Question 15

KVM switch

Answer 15

(Keyboard, Video, Mouse). A device that allows control of multiple computers using a single keyboard, monitor, and mouse.

Question 16

LAN

Answer 16

(Local Area Network). A network that connects devices within a small geographic area like a home, office, or building.

Question 17

Laser

Answer 17

A device that emits a focused beam of light, commonly used in printers and optical drives.

Question 18

Latency

Answer 18

The delay between sending and receiving data over a network or between system components.

Question 19

Launcher

Answer 19

A program or interface that starts or opens other applications or games.

Question 20

LBA

Answer 20

(Logical Block Addressing). A method of addressing sectors on a hard drive, allowing the system to access data efficiently.

Question 21

LC

Answer 21

(Lucent Connector). A small form-factor fiber optic connector used for high-speed network connections.

Question 22

LCD

Answer 22

(Liquid Crystal Display). A flat-panel display technology that uses liquid crystals and a backlight to produce images.

Question 23

LED

Answer 23

(Light Emitting Diode). A semiconductor light source used for indicators, backlighting, and displays; energy-efficient and long-lasting.

Question 24

Level 1 Cache (L1 Cache)

Answer 24

The smallest and fastest CPU cache, located closest to the processor cores.

Question 25

Level 2 Cache (L2 Cache)

Answer 25

A CPU cache larger than L1 but slower, helps speed up data access for the processor.

Question 26

Level 3 Cache (L3 Cache)

Answer 26

The largest and slowest CPU cache shared between processor cores to improve efficiency.

Question 27

LGA

Answer 27

(Land Grid Array). A CPU socket type where pins are on the motherboard and contact pads are on the processor.

Question 28

Libraries

Answer 28

Pre-written code collections or functions that programs can use to perform tasks without rewriting code.

Question 29

Lightning

Answer 29

Apple’s proprietary connector type used for charging and data transfer on iPhones and some iPads.