Daily Practice · GCSE Computer Science

March 1988 5-a-day

Every sheet in March 1988

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 1988A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  2. 2nd March 1988State the type of program that is typically stored in ROM.
  3. 3rd March 1988State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  4. 4th March 1988A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  5. 5th March 1988State the key difference between a procedure and a function.
  6. 6th March 1988State the typical maximum capacity of a single-layer DVD.
  7. 7th March 1988A 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?
  8. 8th March 1988State what is meant by a syntax error.
  9. 9th March 1988Give one advantage of a relational database over a flat-file database.
  10. 10th March 1988What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  11. 11th March 1988Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  12. 12th March 1988Given P = 0 and Q = 1, state the value of P OR Q.
  13. 13th March 1988Convert the hexadecimal number 3F to denary.
  14. 14th March 1988A network administrator is connecting 10 computers in a server room. Calculate the number of cables needed for a full mesh topology, and state the number needed for a star topology with one central switch.
  15. 15th March 1988Name the translator used for assembly language and describe how it differs from a compiler.
  16. 16th March 1988Convert the 4-bit binary number 1101 to denary.
  17. 17th March 1988Two CPUs are compared for a task optimised for multiple cores: CPU A has 2 cores at 4.2 GHz; CPU B has 6 cores at 3.0 GHz. Explain which CPU is likely to perform better for this task.
  18. 18th March 1988State why an organisation might employ penetration testers to test its network.
  19. 19th March 1988Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
  20. 20th March 1988State one example of a file format that commonly uses lossy compression.
  21. 21st March 1988State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).
  22. 22nd March 1988State whether the source code of proprietary (closed source) software is normally available for the public to view.
  23. 23rd March 1988Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
  24. 24th March 1988A 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.
  25. 25th March 1988Order these units of data from smallest to largest: megabyte, byte, gigabyte, kilobyte.
  26. 26th March 1988Define the term protocol.
  27. 27th March 1988Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
  28. 28th March 1988A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
  29. 29th March 1988Each 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.
  30. 30th March 1988Which flowchart symbol shape is used to represent a decision point (e.g. a yes/no branch)?
  31. 31st March 1988State the two values a Boolean data type can hold.