1.1 Systems Architecture: revision quiz and key terms
Free practice for 1.1 Systems Architecture in OCR GCSE Computer Science (J277). It has 3 parts: 1.1.1 CPU Components and Architecture, 1.1.2 CPU Performance and 1.1.3 Embedded Systems. Try the questions, then check the key terms.
Try 5 free questions
Which of the following would NOT typically be considered an embedded system?
A microcontroller combines a processor, memory and input/output interfaces onto a single chip.
What is the purpose of the Memory Address Register (MAR)?
Cache memory is a type of secondary storage that keeps its data when the power is turned off.
A CPU has a clock speed of 3 GHz. What does this mean?
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Key terms for 1.1 Systems Architecture
- Cache
- Small amount of very fast memory located close to or within the CPU.
- Clock speed
- The number of fetch-decode-execute cycles a CPU can carry out per second, measured in hertz.
- Embedded system
- A computer system built into a larger device to carry out a specific, dedicated function.
- Fetch stage
- The next instruction is retrieved from memory.
- Fetch-decode-execute cycle
- The repeated process by which the CPU fetches an instruction from memory, decodes it and then carries it out.
- Microcontroller
- Combines a processor, memory and input/output interfaces onto a single chip.
- Von Neumann architecture
- A CPU design in which data and instructions are stored together in the same memory.
What 1.1 Systems Architecture covers
In RADevo this topic has a full topic test and a focused quiz for each part:
- 1.1.1 CPU Components and Architecture
- 1.1.2 CPU Performance
- 1.1.3 Embedded Systems
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