Τεχνικός Υπολογιστών CompTIA A+

A type of connector that allows attachment of modules of varying size. First found in mobile devices and used for SSDs but now found on desktop motherboards.

A BIOS/UEFI setting that might need to be enabled in order for an SSD installed in the slot to be recognized.

A secure security strategy in which the operating system requires credentials to be provided before access is given to any resource. Contrast with discretionary access control, in which the resource owner determines who can have access.

A Layer 2 technology used to describe the way a device gets data onto a network.

One of two types of addresses assigned to network adapters, used when two devices on the same network communicate. Known as a Layer 2 address.

A security feature on an access point that allows MAC addresses to be entered to limit the number of wireless devices allowed on the wireless network.

A Unix-based operating system that was developed by Apple, Inc., for its Macintosh line of computers, called Mac for short. macOS is the second-most-commonly used desktop operating system behind Windows and is the most-used type of Unix/Linux-based desktop operating systems.

A device that accepts input from a card or chip on a card such as an ID card, magnetic room key, or credit card.

A device that accepts cards that are inserted into the device in order to read data from the card or the chip on the card.

Also known as an email server. Used to maintain a database of email accounts, store email that has been sent and received, and communicate with other mail servers.

A great idea for professionalism and good rapport with customers.

Reset through the laser printer menu to count the number of pages until the message to apply the maintenance kit appears again.

A collection of items commonly used for technical support. Includes a portable vacuum, toner vacuum, compressed air, swaps, monitor wipes, lint-free cloths, general-purpose cloths, general-purpose cleanser, denatured alcohol, antistatic brush, optical drive cleaning kit, gold contact cleaner, safety goggles, and an air filter or mask.

A method in which the Internet or a phone call must be made to register one or more Windows computers with Microsoft. This software license method has a limited number of activations.

Software code designed to damage an electronic device (cause lockups, slowness, crash an app, cause the device to not run or boot, and more).

A Linux command, short for manual, that can be used with another command to bring up an instruction manual for using the other command.

In a networking environment, a networks that spans a city or town.

A security attack in which a hacker inserts a device between a sender and a receiver so that this device can receive the intended traffic. APs, DHCP servers, and default gateways (routers or Layer 3 devices) are common devices simulated.

A type of switched used in a corporate network that has an IP address assigned that can be remotely accessed, configured, and monitored by an administrator.

A method of separating a nonsecure area from a secure area to prevent unauthorized access and tailgating.

Used for planning a Windows deployment in a corporate environment.

A Microsoft-proprietary protocol used with email.

A Microsoft platform for obtaining apps. Replaced by the Microsoft Store.

An article of personal protective equipment that is to be used to prevent inhalation of harmful airborne particulates and fumes when working in dusty environments such as when working on a computer or laser printer or inside a network wiring closet.

A jumper setting used to configure a PATA IDE device; the controlling device on the interface.

See micro-ATX.

An older device used to connect an Ethernet cable to an attachment unit interface (AUI) connector.

An abbreviation for megabit.

(Master Boot Record)
A program that reads the partition table to find the primary partition used to boot the system.

A tool that can identify security misconfigurations.

A performance comparison measurement that is found by dividing the mean time between failures (MTBF) by the duration time of a cycle (operations per hour). The lower the number, the better the performance.

A command issued from a command prompt that creates a directory (folder) or subdirectory.

The capability to view and manage multiple mobile devices.

A set of rules or recommendations related to mobile device security that might include password requirements, security requirements, procedures for a lost or stolen device, security breach process, or data storage recommendations.

A GUI shell used to make Windows image deployment easier. Tools such as USMT, Application Compatibility Toolkit (ACT), Microsoft Assessment and Planning Toolkit (MAP), and the volume licensing application are inside the MDT shell.

The capability to track cloud consumer usage and apply resources as needed, based on usage.

A binary prefix value that describes a value 220 or 1,048,576 and is abbreviated MiB.

A traditional hard drive that has moving parts.

Can be used to turn a Windows computer into a home entertainment hub but is no longer supported.

Approximately 1 million bytes of data (exactly 1,048,576 bytes). Abbreviated MB.

The part of a computer that temporarily stores applications, user documents, and system operating information.

A unique address for memory chips.

A tool accessed by booting from the Advanced Boot Options menu in Windows to thoroughly test RAM.

A component of the macOS GUI that is anchored to the top of a screen and is a dynamically changing bar that presents contextual drop-down menu options on the left side, depending on which window is active. On the right side, it provides shortcuts such as connecting to a WiFi network or changing volume. It is also informative, displaying information such as battery life on laptops and the time.

In cloud computing, a company pays an amount based on how much of the service is used on an hourly or monthly basis.

A Windows graphical user interface in which tiles are used on the desktop.

A security measure in which more than one security method of access is required, such as a bank card and a personal identification number (PIN).

A device such as an all-in-one printer that includes a printer, scanner, copier, and fax machine. The term might also describe a network device that commonly includes a router, an access point, a and switch.

Also known as an all-in-one printer. See also MFD.