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Daily Practice · GCSE Computer Science

January 1967 5-a-day

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January 1967

31 sheets · 155 questions · GCSE

January 1967 compilationAll answers

Every sheet in January 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 January 1967Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
  2. 2nd January 1967A programmer wants any syntax error in their program to be reported before the program starts running at all. State whether a compiler or an interpreter behaves this way, and explain why.
  3. 3rd January 1967Order these units of data from smallest to largest: megabyte, byte, gigabyte, kilobyte.
  4. 4th January 1967Explain the role of TCP when a large file is downloaded.
  5. 5th January 1967Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
  6. 6th January 1967A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  7. 7th January 1967Each pair from the previous question is stored using 2 bytes. Calculate the compression ratio achieved, given the uncompressed row (1 byte per pixel) uses 8 bytes.
  8. 8th January 1967Which flowchart symbol shape is used to represent a decision point (e.g. a yes/no branch)?
  9. 9th January 1967State the two values a Boolean data type can hold.
  10. 10th January 1967Convert the denary number 39 to an 8-bit binary number, showing your working.
  11. 11th January 1967Calculate the number of cables needed to connect 8 computers in a full mesh topology, where every computer connects directly to every other computer.
  12. 12th January 1967Give one advantage and one disadvantage of using a compiler.
  13. 13th January 1967Convert the hexadecimal number 1A to denary.
  14. 14th January 1967Convert the denary number 156 to an 8 bit binary number.
  15. 15th January 1967Which type of malware can replicate itself and spread across a network without attaching to another program or needing a user to run it?
  16. 16th January 1967Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
  17. 17th January 1967An image uses a colour depth of 2 bits per pixel. Calculate the maximum number of different colours it can represent.
  18. 18th January 1967A CPU's cache has a hit rate of 80%. During a task the CPU makes 4000 requests for data. Calculate the number of cache hits and cache misses.
  19. 19th January 1967Describe two negative consequences of throwing away old computer hardware instead of recycling it.
  20. 20th January 1967Write a function called isEven that takes one integer parameter, num, and returns True if num is even and False otherwise.
  21. 21st January 1967Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
  22. 22nd January 1967A company backs up its files onto magnetic tape cartridges, each with a capacity of 3 TB. The company needs to back up 20 TB of data. Calculate the minimum number of cartridges needed.
  23. 23rd January 1967A user reads the same email on a phone and a tablet, and deleting it on one deletes it on the other. Which protocol is in use and why?
  24. 24th January 1967Explain why iterative testing, carried out throughout development, tends to make errors cheaper to fix than relying only on final testing.
  25. 25th January 1967A table called members has fields memberId, firstName, lastName and joinYear. Write an SQL statement that adds a new record with memberId 12, firstName 'Priya', lastName 'Shah' and joinYear 2026.
  26. 26th January 1967Define the term 'interrupt' as used to describe a signal received by a CPU.
  27. 27th January 1967An array called items contains [12, 45, 7, 30, 19] at indices 0 to 4. Describe how a linear search would locate the value 30, stating the number of comparisons needed.
  28. 28th January 1967Evaluate X = NOT A AND B when A = 0 and B = 1.
  29. 29th January 1967Convert the hexadecimal number FF to an 8-bit binary number.
  30. 30th January 1967Give one advantage of a star topology compared with a mesh topology.
  31. 31st January 1967Name the translator used for assembly language and describe how it differs from a compiler.