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Daily Practice · GCSE Computer Science

January 1985 5-a-day

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January 1985

31 sheets · 155 questions · GCSE

January 1985 compilationAll answers

Every sheet in January 1985

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 1985State the correct order of the three operations used to read data from a text file.
  2. 2nd January 1985Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
  3. 3rd January 1985Name the four layers of the TCP/IP model in order from the one closest to the user.
  4. 4th January 1985A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
  5. 5th January 1985A table called products has fields productId, name, price and stock. Write an SQL statement that changes the price of the product with productId 7 to 15.99.
  6. 6th January 1985State one function carried out by the operating system of a computer.
  7. 7th January 1985In computational thinking, what is meant by the term 'decomposition'?
  8. 8th January 1985Given A = 1 and B = 1, state the value of A AND B.
  9. 9th January 1985Convert the denary number 200 to hexadecimal, showing your working.
  10. 10th January 1985Define a peer-to-peer network.
  11. 11th January 1985A 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 January 1985Convert the denary number 5 to a 4-bit binary number.
  13. 13th January 1985A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
  14. 14th January 1985A 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 January 1985An array named temps holds 12 values. State the index of the first item and the index of the last item.
  16. 16th January 1985A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
  17. 17th January 1985State the type of program that is typically stored in ROM.
  18. 18th January 1985State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
  19. 19th January 1985A 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 January 1985State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
  21. 21st January 1985State the typical maximum capacity of a single-layer DVD.
  22. 22nd January 1985State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
  23. 23rd January 1985State what is meant by a syntax error.
  24. 24th January 1985Define the term 'primary key' as used in a database table.
  25. 25th January 1985What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
  26. 26th January 1985Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
  27. 27th January 1985Given P = 0 and Q = 1, state the value of P OR Q.
  28. 28th January 1985Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.
  29. 29th January 1985A 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 January 1985State why a program written in a high level language must be translated.
  31. 31st January 1985Convert the 4-bit binary number 1101 to denary.