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Daily Practice · GCSE Computer Science

March 1967 5-a-day

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March 1967

31 sheets · 155 questions · GCSE

March 1967 compilationAll answers

Every sheet in March 1967

The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.

  1. 1st March 1967Give one example of an optical secondary storage device.
  2. 2nd March 1967Name the four layers of the TCP/IP model in order from the one closest to the user.
  3. 3rd March 1967State the term used for realistic data that a program would be expected to handle during normal use.
  4. 4th March 1967Define the term 'primary key' as used in a database table.
  5. 5th March 1967State the difference between lossy and lossless compression.
  6. 6th March 1967State the condition that must be met before a binary search can be used on an array.
  7. 7th March 1967A logic circuit has inputs C and D. C feeds into a NOT gate; the output of the NOT gate and D feed into an OR gate, giving output Y. Write the Boolean expression for Y and state its value when C = 1 and D = 0.
  8. 8th March 1967Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.
  9. 9th March 1967Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
  10. 10th March 1967A program compiles and runs but always outputs an average that is too small. State the type of error and explain why the translator did not report it.
  11. 11th March 1967Convert the denary number 45 to hexadecimal.
  12. 12th March 1967What does the acronym CPU stand for?
  13. 13th March 1967State what the term malware means.
  14. 14th March 1967An array named temps holds 12 values. State the index of the first item and the index of the last item.
  15. 15th March 1967An uncompressed file is 6000 KB. After lossless compression it is 1500 KB. Calculate the compression ratio in the form n:1 (original size : compressed size).
  16. 16th March 1967Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
  17. 17th March 1967Which piece of UK legislation controls how organisations must store and use people's personal data?
  18. 18th March 1967Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
  19. 19th March 1967A function is defined as: FUNCTION addTax(price) RETURN price x 1.2 ENDFUNCTION. Another line of code runs: total <- addTax(20) + addTax(30). Trace both function calls and state the final value of total.
  20. 20th March 1967Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  21. 21st March 1967State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  22. 22nd March 1967A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  23. 23rd March 1967A table called staff has fields staffId, name, department and salary, storing these records: staffId | name | department | salary, 1 | Ben | Sales | 24000, 2 | Chloe | IT | 31000, 3 | Dan | Sales | 27000. State which staffId(s) would be returned by: SELECT staffId FROM staff WHERE department = 'Sales' AND salary > 25000;
  24. 24th March 1967State one function carried out by the operating system of a computer.
  25. 25th March 1967In computational thinking, what is meant by the term 'decomposition'?
  26. 26th March 1967Given A = 1 and B = 1, state the value of A AND B.
  27. 27th March 1967Convert the 8-bit binary number 01011010 to denary.
  28. 28th March 1967Define a peer-to-peer network.
  29. 29th March 1967State why a program written in a high level language must be translated.
  30. 30th March 1967Convert the denary number 5 to a 4-bit binary number.
  31. 31st March 1967A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.