Daily Practice · GCSE Computer Science
June 1959 5-a-day
Every sheet in June 1959
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1959A 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?
- 2nd June 1959A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 3rd June 1959A 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.
- 4th June 1959State one function carried out by the operating system of a computer.
- 5th June 1959In computational thinking, what is meant by the term 'decomposition'?
- 6th June 1959Given A = 1 and B = 1, state the value of A AND B.
- 7th June 1959State how many different values can be represented using 5 bits, and explain your reasoning.
- 8th June 1959Define a peer-to-peer network.
- 9th June 1959Name the translator used for assembly language and describe how it differs from a compiler.
- 10th June 1959Convert the denary number 5 to a 4-bit binary number.
- 11th June 1959A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
- 12th June 1959A 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.
- 13th June 1959Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
- 14th June 1959A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
- 15th June 1959State the type of program that is typically stored in ROM.
- 16th June 1959State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
- 17th June 1959A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
- 18th June 1959State the key difference between a procedure and a function.
- 19th June 1959State the typical maximum capacity of a single-layer DVD.
- 20th June 1959Define the term protocol.
- 21st June 1959State what is meant by a syntax error.
- 22nd June 1959Give one advantage of a relational database over a flat-file database.
- 23rd June 1959What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
- 24th June 1959Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
- 25th June 1959Given P = 0 and Q = 1, state the value of P OR Q.
- 26th June 1959Convert the hexadecimal number 3F to denary.
- 27th June 1959A 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.
- 28th June 1959Explain the purpose of a breakpoint.
- 29th June 1959Convert the 4-bit binary number 1101 to denary.
- 30th June 1959Two 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.