I/O Devices
A connector that transmits both digital video and audio and is used on most computers and televisions.
What is an HDMI connector?
An application where a client program installed on one computer requests information from a server program installed on another computer on the network or Internet.
What are client/server applications?
In relation to analog communication, the range of frequencies that a communications channel or cable can carry. In general use, the term refers to the volume of data that can be transmitted on a bus or over a cable.
What is bandwidth?
The official source for Android apps (also called the Android marketplace).
What is Google Play?
An electrically charged rotating drum found in laser printers.
What is an imaging drum?
A 9-pin serial connector used with rack server consoles and older mice, keyboards, dial-up modems, and other peripherals.
What is an RS-232?
A 32-bit or 128-bit address used to uniquely identify a device or interface on a network. Generally, the first numbers identify the network; the last numbers identify a host. An example of a 32-bit IP address is 206.96.103.114. An example of a 128-bit IP address is 2001:0000:B80::D3:9C5A:CC.
What is an IP address?
A transmission technique that carries more than one type of transmission on the same medium, such as voice and DSL on a regular telephone line.
(1) For the Android OS, the area at the bottom of the Android screen where up to four apps can be pinned.(2) For macOS, a bar that appears by default at the bottom of the screen and contains program icons and shortcuts to files and folders.
What is the dock?
A soft, black roller in a laser printer that puts a positive charge on the paper. The charge pulls the toner from the drum onto the paper.
What is a transfer roller?
A multipurpose standard and connector used for communication and power. Early versions were limited to Apple products and used a modified DisplayPort; can use modified USB-C ports on Apple and non-Apple devices.
What is Thunderbolt?
A 48-bit (6-byte) hardware address unique to each NIC or onboard network controller; the address is assigned by the manufacturer at the factory and embedded on the device.
What is the MAC address?
A location created by a mobile device so that other devices or computers can connect by Wi-Fi to the device and to the Internet.
What is a mobile hotspot?
A wireless technology that establishes a communication link between two that are within 4 inches (10 cm) of each other.
What is NFC, near field communication?
A type of ink dispersion printer that uses cartridges of ink. The ink is heated to a boiling point and then ejected onto the paper through tiny nozzles.
What is an inkjet printer?
A type of monitor that uses a thin LED layer or film between two grids of electrodes and does not use backlighting.
What is an OLED (organic light-emitting diode)?
A model for understanding and developing computer-to-computer communication that divides networking functions among seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
What is the OSI (Open Systems Interconnection) model?
A small flash memory card that contains all the information a device needs to connect to a GSM or LTE cellular network, including a password and other authentication information needed to access the network, encryption standards used, and the services that a subscription includes.
What is a SIM (subscriber identity module) card?
A wireless technology used on small tags that contain a microchip and antenna; often used to track and identify car keys, clothing, animals, and inventory.
What is RFID (radio-frequency identification)?
The part in an inkjet or impact printer that moves across the paper, creating one line of the image with each pass.
What is the print head?
The proprietary Apple connector used on Apple iPhones, iPods, and iPads for power and communication.
What is Lightning?
A device that manages traffic between two or more networks and can help find the best path for traffic to get from one network to another.
What is a router?
A version of Ethernet that supports rates of data transfer up to 1 gigabit per second.
What is Gigabit Ethernet?
When two tokens or actions are required to authenticate to a computer or network. Factors can include what a person knows (password), what they possess (a token such as a key fob or smart card),what they do (such as typing a certain way), or who they are (biometric data).
What is two-factor authentication (2FA)?
A printer that any user on the network can access, either through the printer’s own network card and connection to the network, through a connection to a stand-alone print server, or through a connection to a computer as a local printer that is shared.
What is a network printer?