1.1.2 Types of Processor
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What does RISC mean?
Reduces Instruction Set Computer.
What does CISC mean?
Complex Instruction Set Computer.
What are the properties or RISC?
• Small instruction set • Each instruction is one line of machine code • Used in everyday devices
What are the properties of CISC?
• A large instruction set • Instructions are built into hardware • Used in embedded systems and microprocessors
What are the benefits of RISC processors?
Pipelining is possible since each instruction takes one clock cycle.
What are the benefits of CISC processors?
• Compilers have to do less work - They require less RAM since instructions are smaller
What is a graphics processing unit?
A co-processor made up of lots of independent parallel processors.
What are GPUs used for now?
GPUs are used for image processing and machine learning.
What are multi-core systems?
Systems where there are multiple cores that carry out separate fetch-decode-execute cycles.
What are parallel systems?
Systems where multiple instructions can be completed at any given time, doesn’t require multiple cores, it can use threading and pipelining instead.