1 / 20

Hardware

Hardware. “Every lesson counts – don’t waste a minute.”. Hardware - CPU. Exam tip: Questions on these topics often require you to know definitions of the CPU, Cache memory & clock speed. Hardware is the term that describes the physical components of a computer

anika
Download Presentation

Hardware

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Hardware

  2. “Every lesson counts – don’t waste a minute.”

  3. Hardware - CPU Exam tip: Questions on these topics often require you to know definitions of the CPU, Cache memory & clock speed. Hardware is the term that describes the physical components of a computer system – anything that can be seen or touched. Hardware components include input, output, storage and processing devices. What is the purpose of the CPU? (1 mark) ……………………………………………………............................................ .................................................................................................................... ……………………………………………………............................................ What is meant by ‘2.5 MHz qud core’ when describing a processor? (4 marks) ……………………………………………………............................................ .................................................................................................................... ……………………………………………………............................................ ..................................................................................................................... ……………………………………………………............................................ .................................................................................................................... ……………………………………………………............................................ ..................................................................................................................... State one advantage and one disadvantage of a dual-core processor over a single-core processor. (1 mark) ……………………………………………………............................................ .................................................................................................................... ……………………………………………………............................................ .....................................................................................................................

  4. Hardware - Memory Exam tip: The way virtual memory and main memory interact and the effect this has on processing speed is important. • Why does a computer have both ROM and RAM? • (2 marks) • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... • What is in RAM when the computer is working? • (3 marks) • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • How does the use of virtual memory affect the performance of a computer? • (3 marks) • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... ……………………………………………………............................................ • ..................................................................................................................... ……………………………………………………............................................ • How would installing extra RAM affect the use of virtual memory and what effect does this have on the performance of the computer? • (2 marks) ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • .....................................................................................................................

  5. Hardware – Binary logic Exam tip: You will be expected to be able to complete a truth table for a logic circuit and a draw a logic circuit. Complete the truth table for the circuit below. (16 marks) AND OR NOT Output = A AND B Output = A OR B Output = NOT A • Determine the output from each of the following logic circuits. • (6 marks)

  6. Input & output devices. • Identify two input and two output devices on a mobile phone. • (4 marks) • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... • Identify, with reasons. Three devices that would be help a visually impaired person to use a computer. • (6 marks) • Device 1: .................................................. • Reason: • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... • ……………………………………………………............................................ • Device 2: .................................................. • Reason: • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... • ……………………………………………………............................................ • Device 3: .................................................. • Reason: • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... • ……………………………………………………............................................

  7. Secondary storage • Why does a computer need secondary storage? • (2 marks) • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... • ……………………………………………………............................................ • .................................................................................................................... • ……………………………………………………............................................ • ..................................................................................................................... • What is the most useful type of secondary storage for... • (4 marks) • Transferring work between home and school. • ........................................................................................................................................................................................................................................................................................................................................................................... • Distributing a software application. • ........................................................................................................................................................................................................................................................................................................................................................................... • storing work and programs on a large school network. • ........................................................................................................................................................................................................................................................................................................................................................................... • Storing images in a digital camera. • ........................................................................................................................................................................................................................................................................................................................................................................... Magnetic Optical Flash

  8. Past paper exam questions. 2011 past paper.

  9. Past paper answers. 2011 past paper. Notes: What do I need to improve?

  10. Past paper answers. 2011 past paper. Notes: What do I need to improve?

  11. Past paper exam questions. 2011 past paper.

  12. Past paper exam questions. 2011 past paper.

  13. Past paper answers. 2011 past paper. Notes: What do I need to improve?

  14. Past paper answers. 2011 past paper. Notes: What do I need to improve?

  15. Past paper exam questions. 2012 past paper.

  16. Past paper exam questions. 2012 past paper.

  17. Past paper answers. 2012 past paper. Notes: What do I need to improve?

  18. Past paper answers. 2012 past paper. Notes: What do I need to improve?

  19. Past paper exam questions. 2013 past paper.

  20. Past paper answers. 2013 past paper. Notes: What do I need to improve?

More Related