Flashcards
Computing GCSE - Key Terms
Flashcards do conjunto (25)
- 1AlgorithmA process to be followed in problem-solving, usually by computers.
- 2BandwidthThe frequency that a particular signal is transmitted at.
- 3CPUCentral Processing Unit - Most processes take place here - the brains of a computer.
- 4CompilerA computer program which translates source code in a programming language into another computer language.
- 5CompressionThe same amount of data transmitted by using a smaller number of bits.
- 6Data Handling SoftwareAn application which allows the effective storage of data and records in a logical way - The front end of a database.
- 7HTTPSSafe websites that are protected against eavesdropping and attacks.
- 8High Level CodeProgramming languages that are closer to human languages.
- 9IP AddressA unique string of numbers separated by full stops that identifies each computer.
- 10Internal StorageThe computer's internal hard drive - Primary storage device.
- 11LANLocal Area Network - Connects devices in a relatively small area.
- 12Loss-lessWithout loss of information.
- 13LossyWhere unnecessary information is discarded.
- 14Machine CodeA programming language consisting of binary or hexidecimal instructions.
- 15Operating SystemSystem software that manages computer hardware and computer software.
- 16RAMRandom access memory - Volatile storage (lost when power is lost).
- 17ROMRead-only memory - Non-volatile storage. Takes a long time to be modified or not at all.
- 18SamplingThe converting of an analogue sound signal into a digital file containing binary numbers.
- 19HackingThe practice of breaking into secure computer systems.
- 20VirusA program designed to cause damage to a computer.
- 21SpywareA program that runs in a computer system to gather information and pass it on to interested parties.
- 22FirewallUsed to prevent unauthorised requests from hackers to gain access to the network of computer systems via the Internet.
- 23Storage spaceHow much data can be stored in a storage device.
- 24SpeedHow quickly data can be read/written.
- 25PortabilityHow easily the device can be moved.
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- gcse key tems FlashCards sobre Computing GCSE - Key Terms, criado por finn gahan em 08-05-2019.
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- finn gahan
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- Criado por Josh Anderson · 29 fev 2016
- Copiado por finn gahan · 8 mai 2019
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