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CS111 chapter 1 & 2
chapter 1 and 2
Question | Answer |
---|---|
What is the smallest unit of data a ditgital computer can reconize? | Bit |
How much is a megabyte? | 1 Million |
What is the numbering system that repersents all numbers using 2? | Binary Numbering System |
What is RFID? | A device containing a tiny chip and a radio antenna that is attatched to an object so it can identify using RFID technology |
System unit is... | The main box of a computer that houses the CPU, mother board, memory, and other devices. |
The CPU stands for what? | Central Processing Unit |
What does RAM stand for and what is it? | Random Access Memory, Chips conected to the mother board that provide a temporary location for the computer to hold data and program intructions while they are needed. |
Cache is? | A group of fast memory chips located on or near the CPU to help speed up the processing. |
What is an outout device? | A piece of hardware that presents the results of processing in a form the user can understand. |
Storage medium means... | The part of a storage system where data is stored, such as a DVD disc. |
What is communications device? | A piece of hardware that allows one device to communicate with other devices via network or the internet. |
What is a file? | Something stores on a storage medium. |
What is an optical disc? | A type of storage medium read from and written to use a laser beam. |
What is a pixel? | The smallest colorable area in an electronic image. |
What is volatile? | Describes a medium whose content is erased when the power shuts off. |
What is a Quad-core CPU? | The chip located inside the system unit of a computer that performs the processing for a computer. |
What is a microprocessor? | A CPU that contains four separate processing cores. |