Topic 3: Computers: revision quiz and key terms
Free practice for Topic 3: Computers in Pearson Edexcel GCSE Computer Science (1CP2). It covers: hardware, software and programming languages. Try the questions, then check the key terms.
Try 5 free questions
Which component of the CPU decodes instructions and coordinates the flow of data?
The arithmetic logic unit performs arithmetic and logical operations.
Which type of software manages the hardware and provides a platform for applications to run?
In the von Neumann architecture, data and instructions are stored in separate memory units.
Which type of memory stores the start-up instructions and keeps its contents when the power is off?
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Key terms for Topic 3: Computers
- Backup
- Creates a copy of data that can be used to restore it if lost.
- Control bus
- Carries control signals that coordinate different components.
- Data compression (utility)
- Reduces file size to save storage space or reduce transmission time.
- Embedded system
- A computer system built into a larger device to perform a specific function.
- File repair
- Attempts to fix files that have become corrupted or damaged.
- Machine code
- A low-level language written directly in binary.
- Registers
- Small, extremely fast storage locations within the CPU.
- Von Neumann architecture
- A computer design in which data and instructions are stored together in the same memory.
What Topic 3: Computers covers
In RADevo this topic has a full topic test and a focused quiz for each part:
- 3.1 Hardware
- 3.2 Software
- 3.3 Programming Languages: Practice questions.
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