Τεχνικός Υπολογιστών CompTIA A+

A composite video port, coded yellow, that uses a 7-pin mini-DIN connector.

A feature that allows a storage device to send messages about possible failures or data loss. Configuration setting located in the BIOS/UEFI.

Allows encryption and signing of MIME data; used along with SMTP to send emails that can have pictures and attachments.

Defines how audio signals are carried between audio devices and stereo components. It can also be used to connect the output of a DVD player in a PC to a home theater or some other external device.

A type of cloud service that describes hosted applications such as a learning management system, enterprise resource planning (ERP), human resources management (HRM), payroll, antivirus, and inventory management that are hosted by another company and accessible from anywhere.

A Windows System Configuration option found on the Boot tab.

A way to start a Mac so that the startup disk is checked and repaired if possible. Hold down while starting the computer.

A Windows option used when the computer stalls, slows down, does not work properly, or has improper video settings or intermittent errors or when a new hardware/software installation causes problems. In Safe Mode, Windows starts with minimum device drivers and services.

A personal protection device that should be worn when working on equipment to protect the eyes from debris, chemicals, and liquids.

A collection of storage media that is centrally managed and available to a multitude of network devices, such as servers, network-based applications, virtual machines, and users.

SAS devices connect in a point-to-point bus. Used in the enterprise environment in which high reliability and high mean time between failures is important.

A point-to-point architecture for IDE devices that provides faster access for attached devices.

A SATA device that has a maximum transfer rate of 1.5 Gb/s.

A SATA device that has a maximum transfer rate of 3 Gb/s.

A SATA device that has a maximum transfer rate of 6 Gb/s.

A cable used to connect one SATA device to a motherboard SATA port.

A motherboard connector used to attach a cable between the motherboard and a SATA device. This connector can also be used to connect an adapter that contains one or more additional external SATA ports.

A device that connects multiple eSATA devices to a single eSATA port.

A type of Internet connection that has slower speeds than the other methods but allows connectivity in remote locations.

A type of modem that can provide Internet access at speeds faster than an analog modem but slower than cable or DSL access.

An older type of fiber-optic connector.

An input device that allows printed documents to be brought into the computer and from there digitally displayed, printed, saved, or emailed.

As part of the change management planning phase, an IT change plan should include the scope of the project.

A means of using SSH to securely transfer one or more files across a network.

A feature on a mobile device that requires something (a PIN, fingerprint, facial features, security pattern, voice, and so on) to access the device and unlock the screen of the device.

An operating system feature that puts a specific graphic or pattern or lock when the device is not being used.

A macOS feature that allows one user to view and even control the display of another Apple computer that is on the network.

A tool that removes screws. Common types of screwdrivers used in IT support are flat-tipped and Phillips.

A plastic tool that helps with prying plastic parts or covers off laptop and mobile devices.

A small program written in one of several scripting languages that is designed to do a specific task.

The act of using a specific scripting language to create a script (a program) that can automate administrative tasks.

A standard that allows multiple devices to be connected to the same adapter.

A Serial Attached SCSI (SAS) drive cable that attaches from the SAS drive to a SATA controller that is capable of supporting a SAS drive.

A Serial Attached SCSI (SAS) drive connector is like the SATA data and power connector combined into one connector.

A unique number assigned to a device connected to a SCSI chain.

A storage device with non-volatile flash memory used for mobile devices.

Contains a set of tools, such as application programming interfaces, programming tools, analytic tools, and sample code that develop an app for a specific mobile OS or platform.

A software development kit (SDK) is a collection of software development tools in one installable package. They facilitate the creation of applications by having a compiler, debugger and sometimes a software framework. They are normally specific to a hardware platform and operating system combination.To create applications with advanced functionalities such as advertisements, push notifications,etc; most application software developers use specific software development kits.

A document that describes a product, including its toxicity, storage, and disposal procedures. Also contains information regarding health or safety concerns.

The smallest amount of storage space on a disk or platter, holding 512 bytes of data.

A BIOS/UEFI setting option that prevents unauthorized software from loading during the boot process.

See SSL.

A device used for monitoring that can be wired or wireless.

A human who provides physical security into a controlled space.

See SID.

One or more documents that provide rules and guidelines related to computer and network security.

A section of BIOS/UEFI Setup options that allows configuration of specific security such as power on password, chassis Intrusion detection, TPM, LoJack, and so on.

An operating system that is no longer supported by a vendor can present a problem in that it becomes a risk to the business due to lack of security updates.

A selection (or decision) structure consists of a test condition together with one or more groups (or blocks) of statements. The result of the test condition determines which block of statements will be executed.

The act of placing a part of your body in contact with an electronic device to prevent an electrostatic discharge (ESD) event.

A hub that has an external power supply.