Question | Answer |
Arithmetic Logic Unit, ALU | Is the sector of the CPU that performs the mathematical calculations that are required in many data processing programs. |
Bit | Is the smallest unit of binary information. |
Byte | Is made up of eight bits. |
Cache | Provides a temporary storage area that provides a quick access to information. |
Input Devices | Allows data to be inputted into the computer. |
Resolution | Defines the clarityu of the image that is seen on the computer screen. |
Pixels | Is a single colored square on the screen. |
Lumens | Measure the brightness of a projector. |
Hard Disk Drive | Stores large amounts of information and is located within the computer. |
External Hard Disk Drives | Allows the transfer of information from one physical location to another. |
Central Processing Unit, CPU | Is located within the Motherboard and is the brain of the computer. It allows commands to be carried out. |
Random Access Memory, RAM | Is temporary memory that is designed to hold new data and is available only while the computer is turned on. |
Read-Only Memory, ROM | Is permanent internal memory inside the computer. The memory stored by the ROM is inaccessible by the user and is used to store the instructions of programs. |
Megabytes | Is used to measure the amount of information a computer can hold; it stores about one million bytes of information. |
Gigabytes | Is used to measure the amount of information a computer can hold; it stores about one billion bytes of information. |