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Key words That would help you in the exam

AI – Software that can perform tasks that normally require human intelligence, like recognizing images, understanding language, or making decisions.

ARM – A type of processor architecture used in phones, tablets, and some computers; efficient for low power consumption.

BD-ROM – A disc that can store high-definition video and data but cannot be written over; used for movies or software.

BIOS – Firmware in a computer that starts the system and manages communication between hardware and the operating system.

BPS – Measure of data transfer speed, bits per second.

CAD – Software used to create detailed 2D or 3D designs for engineering, architecture, or manufacturing.

CAM – Software or systems used to control machinery in manufacturing, often linked with CAD designs.

CAN – Network protocol used for communication between microcontrollers, especially in cars.

CD – A disc used to store digital data, like music or software.

CD-ROM – A CD that can only be read, not written to; stores software or data.

CD-RW – A CD that can be written, erased, and rewritten multiple times.

CLI – Text-based interface to control a computer using commands instead of a graphical interface.

CPU – The main chip in a computer that processes instructions and runs programs.

DaaS – Cloud service that provides virtual desktops to users on demand.

DDR – Type of fast RAM memory used in computers.

DHCP – Network protocol that automatically assigns IP addresses to devices on a network.

DIMM – A type of RAM module installed in computers.

DNS – Translates website names into IP addresses so devices can locate them.

DSL – Internet connection over phone lines.

DVD – Optical disc that stores more data than a CD, often for video or software.

DVD-R – DVD that can be written once.

DVD-RW – DVD that can be written and rewritten multiple times.

DVI – Connector/interface used to transmit video from a computer to a monitor.

EMI – Interference caused by electromagnetic signals that can disrupt electronics.

eSATA – External connector for connecting SATA drives outside a computer.

ESD – Static electricity discharge that can damage electronic components.

EULA – Legal agreement that explains how software can be used.

FTP – Protocol for transferring files between computers over a network.

FTPS – Secure version of FTP using encryption.

Gb – Gigabit, a unit of data (1 billion bits).

GB – Gigabyte, a unit of storage (about 1 billion bytes).

Gbps – Gigabits per second, speed of data transfer.

GDPR – Regulation to protect personal data and privacy in the EU

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GHz – Gigahertz, a measure of processor speed (billions of cycles per second).

GPS – System of satellites that provide location and time information to devices.

GPU – Processor specialized in handling graphics and images.

GUI – Graphical interface with icons and windows to interact with software.

HDD – Magnetic storage drive used for storing files and programs.

HDMI – Cable and port used to transmit video and audio from devices to displays.

HTML – Language used to create and structure content on websites.

HTTP – Protocol for browsing websites.

HTTPS – Secure version of HTTP that encrypts data.

IaaS – Cloud service that provides virtual servers and storage for users to run their own software.

IDE – Integrated environment for programming or a type of hard drive interface.

IMAP – Email protocol that keeps emails on the server so multiple devices can access them.

IMAPS – Secure version of IMAP.

IoT – Devices connected to the internet that collect and share data, like smart home devices.

IP – Unique address that identifies a device on a network.

IR – Technology using infrared light for communication, like TV remotes.

ISP – Company that provides internet access.

Kb – Kilobit, unit of data (1,000 bits).

KB – Kilobyte, unit of storage (1,000 bytes).

Kbps – Kilobits per second, speed of data transfer.

LAN – Network connecting devices in a limited area, like a home or office.

LTE – High-speed mobile internet technology.

MAC – Unique identifier for a device’s network interface.

MAN – Network connecting devices across a city.

MB – Megabyte, unit of storage (about 1 million bytes).

Mb – Megabit, unit of data (1 million bits).

MHz – Megahertz, frequency measurement (millions of cycles per second).

MP3 – Audio file format that compresses music.

MP4 – Multimedia file format for video and audio.

NAS – Storage device connected to a network for multiple users.

NAT – Technique that allows multiple devices to share one IP address.

NFC – Technology for short-range wireless communication, like contactless payments.

NIC – Hardware that connects a computer to a network.

NvME – Fast storage protocol for SSDs connected via PCIe interface.

OEM – Company that makes hardware or software sold by another brand.

OS – Software that manages computer hardware and runs applications.

PaaS – Cloud service providing platform and tools to build and run apps.

PAN – Network for devices within a small area, like a phone connected to a watch.

PB – Petabyte, huge storage unit (1,000 TB).

PC – Personal computer for individual use.

PCI – Expansion slot to add cards like graphics or network adapters.

PCIe – Faster version of PCI for modern expansion cards.

PHI – Protected health information.

PII – Personal identifiable information, like name or social security number.

PIN – Secret number used for authentication.

POP – Email protocol that downloads messages to a device.

POP3 – Version of POP for retrieving emails.

POP3S – Secure version of POP3.

PSU – Device that provides power to a computer.

RAM – Temporary memory used for running programs and tasks.

RISC – CPU design that uses simple instructions for efficiency.

RF – Radio frequency, used for wireless communication.

RJ – Connector type for network or phone cables.

RJ11 – Connector for telephone lines.

RJ45 – Connector for Ethernet cables.

ROM – Permanent memory that stores essential computer instructions.

SaaS – Cloud software accessed through a web browser.

SATA – Interface for connecting storage drives.

SD CARD – Small storage card used in cameras, phones, or laptops.

SFP – Small network module for high-speed fiber or copper connections.

SPTP – Protocol for sending data over networks.

SID – Identifier used in Windows or network systems.

SMTP – Protocol to send emails.

SMTPS – Secure version of SMTP.

SNMP – Protocol for monitoring and managing network devices.

SSD – Fast storage drive using flash memory.

SSH – Secure way to access and manage computers remotely.

SSID – Name of a Wi-Fi network.

SSL – Security protocol to encrypt internet communication.

TB – Terabyte, storage unit (1,000 GB).

Tbsp – Measurement unit (tablespoon) – not a tech term.

TCP – Protocol for reliable data transmission on networks.

TCP/IP – Set of protocols that allows devices to communicate over the internet.

UPS – Device providing backup power during outages.

URL – Web address to locate resources online.

USB – Port or cable standard for connecting devices and transferring data.

USB A – Standard rectangular USB connector.

USB C – Modern reversible USB connector for power and data.

Vcpu – Virtual CPU assigned to a virtual machine.

VGA – Connector for analog video output to monitors.

vHDD – Virtual hard drive used in virtual machines.

vNIC – Virtual network interface for virtual machines.

voIP – Technology for making calls over the internet.

VPN – Creates a secure, encrypted connection to another network over the internet.

VR – Technology that creates an immersive simulated environment.

vRAM – Memory allocated to a GPU or virtual machine.

WAN – Network covering a large geographic area, like the internet.

WEP – Old Wi-Fi security protocol (not secure).

WLAN – Wireless network, like Wi-Fi.

WPA – Wi-Fi security protocol.

WPA2 – Improved Wi-Fi security protocol.

WPA3 – Latest Wi-Fi security protocol.

WPAN – Personal wireless network, like Bluetooth.