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Computer Hardware (2022/2023) Already
Passed
Input Device ✔✔Computer hardware used to enter data or instructions into a computer.
Output Device ✔✔Computer hardware used to communicate information in a human-readable form.
Processing ✔✔Manipulation of data according to the instructions given to it by a program.
Storage ✔✔A hardware device on which data is stored or saved.
Hardware ✔✔The physical parts of the computer system that you can touch and feel.
Software ✔✔The code, data, and programs that make computer hardware function.
Random Access Memory (RAM) ✔✔Memory available on a computer for storing data and programs currently being used. It is erased when the power is turned off.
Read-Only Memory (ROM) ✔✔Permanently stored system instructions, which are never changed, that help the computer turn on and start running.
Central Processing Unit (CPU) ✔✔A combination of the arithmetic/logic unit & the control unit. The "brain" of a computer that interprets and executes instructions.
Control Unit (CU) ✔✔Directs all operations of the CPU. It interprets programs and controls how data moves throughout the rest of the computer.
Arithmetic/Logic Unit (ALU) ✔✔A component of the CPU that performs mathematical operations and data comparisons quickly.
Secondary Storage Device ✔✔Memory that is not constantly or readily accessible by a computer system. Used for storing and backing up data.
Power Supply ✔✔Converts wall outlet AC power to the DC power that is used by a computer.
HDMI ✔✔Current standard for connecting computers to high-definition video devices. (Stands for High-Definition Multimedia Interface.)
