Daily Practice · GCSE Computer Science
October 1983 5-a-day
Every sheet in October 1983
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 1983Which piece of UK legislation controls how organisations must store and use people's personal data?
- 2nd October 1983Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
- 3rd October 1983State the correct order of the three operations used to read data from a text file.
- 4th October 1983Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
- 5th October 1983Explain the role of TCP when a large file is downloaded.
- 6th October 1983A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 7th October 1983A 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.
- 8th October 1983State one function carried out by the operating system of a computer.
- 9th October 1983In computational thinking, what is meant by the term 'decomposition'?
- 10th October 1983Given A = 1 and B = 1, state the value of A AND B.
- 11th October 1983Convert the denary number 200 to hexadecimal, showing your working.
- 12th October 1983Define a peer-to-peer network.
- 13th October 1983Give one advantage and one disadvantage of using a compiler.
- 14th October 1983Convert the denary number 5 to a 4-bit binary number.
- 15th October 1983A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
- 16th October 1983A 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.
- 17th October 1983Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
- 18th October 1983A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
- 19th October 1983State the type of program that is typically stored in ROM.
- 20th October 1983State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
- 21st October 1983A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
- 22nd October 1983State the pseudocode operator commonly used to join (concatenate) two strings, then show how it joins 'Rev' and 'ision' to produce 'Revision'.
- 23rd October 1983State the typical maximum capacity of a single-layer DVD.
- 24th October 1983A 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?
- 25th October 1983State what is meant by a syntax error.
- 26th October 1983Define the term 'primary key' as used in a database table.
- 27th October 1983What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
- 28th October 1983Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
- 29th October 1983Given P = 0 and Q = 1, state the value of P OR Q.
- 30th October 1983Convert the 8-bit binary number 10110100 directly to hexadecimal by splitting it into nibbles.
- 31st October 1983A 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.