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Chapter Ob1 concluded

Across
A peripheral output device that produces printer output to paper.
Computer programs, or instructions to perform a specific task.
A physical connector on the back on a computer, that allows a cable from a peripheral Device. A number assigned to a process on a computer so that the process can be found by TCP/IP
A female 25-pin port on a computer that can transmit data in parallel , 8 bits at a time, and is usually used with a printer.
A box inside the computer case that supplies power to the motherboard and all other devices
A type of port designed to make installation and configuration of I/O devices easy.
Storage that is remote to the CPU and permanently holds data, even when the PC is turned off.
A step-by-Step instructions to a computer .
A wire on a circuit board that connects two components or devices.
Temporary storage on the motherboard used by the CPU to process data and instructions
A line on a bus that is dedicated to timing the activities of components connected to it.
Refers to the type of RAM that is temporary, cannot hold data very long, and must be frequently refreshed.
Down
Devices that communicate with the CPU, that are not located on the motherboard.
Chips that contain programming code and cannot be erased.
A male 9-pin or 25-pin port on a computer system used by slower I/O devices such as a mouse or modem.
A set of rules and standards that a set of entities use for communication.
The heart and brain of the computer that receives data input ,processes information, and executes instructions
A disk that has no moving parts.
Controlling firmware that is responsible for when the PC is first turned on.
An ATAPI cabling method that uses a narrower and more reliable cable than the 70 -conductor cable
Memory modules on a motherboard containing microchips used to temporarily hold data and programs while the CPU processes both.
Memory used by the video controller.