Flashcards
Computer Science Flashcards
Flashcards do conjunto (14)
- 1Analog signalsThey are information which is represented by an infinitely variable physical quantity
- 2Digital DataThey are discrete, discontinuous representations of information
- 3ResolutionAlso known as bit depth is a number of bits used for storage of each sample value
- 4Sample RateIt is the frequency with which samples are taken
- 5ProcessA series of actions or steps taken in order to achieve a particular end
- 6Data processingManipulation of data by a computer
- 7ProcessorAnother term for central processing unit (CPU)
- 8Fetch-execute cycleThe 4 primary functions of a processor are fetch, decode, execute and write-back. It is the process by which a computer retrieves a program instruction.
- 9Computer MemoryIt is any physical device capable of storing information temporarily or permanently. Computer memory gives your computer a place to quickly access data.
- 10A sequenceA sequence is a list of instructions to be carried out in order, one after the other.
- 11A condition - controlled loopA condition - controlled loop is a type of loop that is executed continuously and only finishes when particular conditions are met.
- 12Data TypeA data type is formal description of the kind of data being stored or manipulated within a program or system
- 13An IntegerAn integer is any whole number, whether positive or negative.
- 14A stringA string is textual data in the form of a list of characters, for example letters, whitespace, punctuation and numerals.
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- Year 9 Computing FlashCards sobre Computer Science Flashcards, criado por Gracie Britten em 29-05-2017.
- Criado por
- Gracie Britten
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