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ICT
Vocabulary Definitions-Unit One Part 2
Question | Answer |
---|---|
Personal computer | A computer that is used by one person at a time. |
Bit | The smallest unit of information, always a 1 or 0. |
Byte | The building block for all information that flows through a computer. It takes eight bits to make one of these. |
Hardware | The collection of physical devices that make up a computer system. |
Input | Information a user enters into a computer. |
Output | Information a computer delivers back to a user. |
RAM | Temporary information a computer uses only when working on a particular file. It is erased when the computer is turned off. |
ROM | Permanent information storage on a computer. Memory that permanently stores data and that cannot be erased or changed |
Storage device | Similar to long-term memory, this is where a computer keeps important information. It can be a hard drive, a server, or a disk. |
Software | A set of instructions that makes it possible for a computer to perform tasks. |
Minicomputer | Used by several people. Used by small to medium-sized organizations such as schools. |
Mainframe | A computer that is used by thousands of people. Used by government agencies and large corporations. |