Flashcards
Computer Science OCR GCSE paper 1 revision and exam question flashcards
Cards in this deck (13)
- 1Identify binary unit using one tick in each row.Answer!
- 2Bit Depth?Bit depth, also known as color depth or pixel depth, represents the number of bits used to describe a single pixel in a digital image. It determines color precision and the range of colors in an image.
- 3Key Points of Bit Depth-Higher bit depth means more color detail and precision.
-Common bit depths include 1-bit (black and white), 8-bit (grayscale), and 24-bit (millions of colors).
-Impacts image quality, file size, and storage.
-Crucial in photography, graphic design, and computer graphics.
-Trade-off: Higher bit depth for better color accuracy but larger file sizes.
-Critical for quality on digital displays and in print. - 4Explain in a sentence or two why a higher bit depth in digital imaging is often preferred when working with photographs.This question assesses the understanding of how bit depth relates to image quality in the context of photography. Students should highlight that a higher bit depth allows for more colors and greater detail, which is crucial for accurate representation of photographs.
- 5Draw 4 Lines.
- 6Clock speed? what is it? How does it affect the CPU?Clock speed, also known as clock frequency, is the rate at which a computer's central processing unit (CPU) carries out instructions
Faster Instruction rate=more things can be done - 7Explain the advantages and disadvantages of a star network topology. Provide at least one example of a situation where using a star network would be the most suitable choice.
- 8Explain the concept of the IPO system in the context of computer programming. Provide a real-world example to illustrate how this system works, including the input, processing, and output stages. (5 marks)
- 9The Data Protection Act 2018? What is it?The Data Protection Act 2018 is a law in the UK that makes sure your personal information is kept safe when organizations use it. It's like a set of rules to protect your privacy and data.(simplified)
- 10Computer Misuse Act (CMA)? What is it?UK law that criminalizes unauthorized access to computer systems, computer-related fraud, and computer-related offenses.
- 11Copyright Designs and Patents Act 1988? What is it?UK law that protects creative works like books, music, and art. It gives creators the right to control and make money from their work, and it prevents others from using it without permission.
- 12Software licenses? What are they?-Proprietary (Closed Source) License
-Open Source License
-Freeware License
-Shareware License
-Commercial License
-End-User License Agreement (EULA)
-Creative Commons License - 13nuh uh
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- Description
- This is a complied set of flashcards for gcse students full of exam questions and revision to help jog your memory.
- Created by
- E W · Oct 2023
- Updated
- Oct 18, 2023
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