1
Q
How does dictionary coding work?
A
Every data item in the file is recorded along with an indexed reference. Compressed file consists of dictionary index and sequence of occurrences needed.
A-Level Computing OCR
flashcards
Decks in class (52)
# Cards
-
OSI Model7
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Operating Systems9
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Memory Management3
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Interrupts6
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Scheduling6
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BIOS3
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Device Drivers1
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Virtual Machines5
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Computer related legislation8
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TCP/IP Stack6
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Circuit/Packet Switching2
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Client-server and Peer-Peer2
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DNS (Domain name system)2
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Networks4
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Protocols2
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LAN and WAN2
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Lossy vs Lossless4
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Data Structures9
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Stacks and Queues4
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Software Development Lifecycle7
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Testing6
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Programming Techniques9
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Development Methodlogies11
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LMC11
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Algorithms0
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Fetch Decode Execute Cycle3
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Parts of the CPU12
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CPU performance4
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Architecture2
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CISC and RISC6
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Multi core and parallel2
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Databases18
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Normalisation3
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Linkers, loaders and libraries5
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Stages of comilation5
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Length and Dictionary encoding2
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Encryption and hashing5
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GPUs6
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Types of Operating Systems5
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Utilities2
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Open vs Closed Source2
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Translators: Interpreters, Compilers & Assemblers9
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Stages of compilation5
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Run length encoding and dictionary coding1
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Symmetric and Asymmetric encryption13
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Methods of capturing data6
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Transaction Processing5
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Referential Integrity2
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Network Security Threats6
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Network Hardware6
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Search Algorithms4
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Tree/Graph Traversal3
