08 - Past Paper Simulation - Memory (I)

 1. Noah gets a free e-book on a CD-ROM from a sports car magazine he has just bought. Give two reasons why a CD-ROM is suitable in this case (2 marks)

 2. A computer may sometimes use what is called virtual memory. Describe what is meant by virtual memory and state why it is needed (3 marks)

 3. A computer has 1024 megabytes of RAM. State two items that will be stored in the RAM. (2 marks)

 4. Nathan's computer has 512 kilobytes of ROM and 8 gigabytes of RAM. Describe the purpose of the ROM in Nathan's computer. (2 marks)

 5. Flash memory is a computer storage medium that can be electrically erased and reprogrammed. Toshiba developed flash memory in the early 1980s. What type of memory is it? (2 marks)

 6. I'm a non-volatile memory chip used for storage and transferring data between digital devices. I have the ability to be electronically reprogrammed and erased. I am often found in USB flash drives, MP3 players and digital cameras. (1 mark)

 7. State whether a CD-ROM is solid-state, optical or magnetic in terms of its storage (1 mark)

 8. Asher has bought a Samsung tablet to replace his PC. Explain how the CPU and RAM work together to enable the tablet to operate (3 marks)

 9. Your smart phone has a cache (cache memory). Describe the purpose of cache memory (1 mark)

 10. Describe the purpose of an input device (1 mark)

 11. Describe the purpose of an output device (1 mark)

 12. DRAM is the main memory in a computer and SRAM is used for ___________________________.(1 mark)

 13. State one difference between ROM and RAM, other than the size and the purpose. (1 mark)

 14. Describe how the advances in memory technology have allowed significant improvement in the performance of devices such as tablet computers. (6 marks)

 15. Joshua and Peace are discussing the advantages of DRAM and SRAM. Which one tends to be faster and why? (2 marks)