Daily Practice · GCSE Computer Science

June 1954 5-a-day

Every sheet in June 1954

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

  1. 1st June 1954State the value returned by LENGTH(word) if word stores the string 'Computer'.
  2. 2nd June 1954Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  3. 3rd June 1954Name the four layers of the TCP/IP model in order from the one closest to the user.
  4. 4th June 1954A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  5. 5th June 1954A table called books has fields bookId, title, authorId and copiesAvailable. Write an SQL statement that selects the title of every book with more than 2 copies available.
  6. 6th June 1954State one function carried out by the operating system of a computer.
  7. 7th June 1954In computational thinking, what is meant by the term 'decomposition'?
  8. 8th June 1954Given A = 1 and B = 1, state the value of A AND B.
  9. 9th June 1954State how many different values can be represented using 5 bits, and explain your reasoning.
  10. 10th June 1954Define a peer-to-peer network.
  11. 11th June 1954A 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.
  12. 12th June 1954Convert the denary number 5 to a 4-bit binary number.
  13. 13th June 1954A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  14. 14th June 1954A simple cipher shifts every letter 2 places forward in the alphabet, wrapping around so Y becomes A and Z becomes B. Encrypt the plaintext CAT using this cipher.
  15. 15th June 1954An array named temps holds 12 values. State the index of the first item and the index of the last item.
  16. 16th June 1954A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  17. 17th June 1954State the type of program that is typically stored in ROM.
  18. 18th June 1954State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  19. 19th June 1954A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
  20. 20th June 1954State the key difference between a procedure and a function.
  21. 21st June 1954State the typical maximum capacity of a single-layer DVD.
  22. 22nd June 1954State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  23. 23rd June 1954State what is meant by a syntax error.
  24. 24th June 1954Give one advantage of a relational database over a flat-file database.
  25. 25th June 1954What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  26. 26th June 1954Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  27. 27th June 1954Given P = 0 and Q = 1, state the value of P OR Q.
  28. 28th June 1954Convert the hexadecimal number 3F to denary.
  29. 29th June 1954A 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.
  30. 30th June 1954State why a program written in a high level language must be translated.