Layers of computing systems

Select all which are hardware components of a computer system -

• A keyboard

• A program for editing images

• A mouse

• The operating system

• A screen

1. Which of the following are programs?

Note: There may be more than one correct option. Select all that apply.

• 1. A word processor

• An operating system

• An image

• The processor (CPU)

Select all which are software of a computing system -

• A file containing an image

• A browser (a program for surfing the web)

• A wireless network adapter (a device for connecting wirelessly to other computers)

• An astronomy program

1. What does a program consist of?

Note: Answer with a single word.

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Provide two examples of operating systems.

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1. What does a processor (CPU) do?

Note: There may be more than one correct option. Select all that apply.

• Stores programs

• 1. Stores data

• Executes programs

• Executes data

• Processes data

1. What does the main memory (RAM) do?

Note: There may be more than one correct option. Select all that apply.

• Stores programs

• 1. Stores data

• Executes programs

• Executes data

• Processes data

1. Provide two examples of storage devices.

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1. What is stored in storage devices?

Note: There may be more than one correct option. Select all that apply.

• Hardware components

• 1. Programs

• Data

• 1. None of the above. The term ‘storage’ is misleading.

Match the following

• Mouse

• Input

• Printer

• Output

• Processor

• Neither Input nor Output

• Touchscreen

• Both input and output