Daily Practice · GCSE Computer Science
June 1967 5-a-day
Every sheet in June 1967
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1967Which piece of UK legislation makes it a criminal offence to gain unauthorised access to a computer system?
- 2nd June 1967Evaluate the expression 23 DIV 4.
- 3rd June 1967A 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.
- 4th June 1967A 1 TB hard disk drive costs 40 pounds. A 500 GB solid-state drive costs 60 pounds. Calculate the cost per gigabyte of each device, and state which is cheaper per GB. Use 1 TB = 1000 GB.
- 5th June 1967A 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?
- 6th June 1967A 'quantity' field on a website must only accept whole numbers from 1 to 10. Which validation check identifies that 15 has been entered?
- 7th June 1967A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
- 8th June 1967A row of 8 pixels is WWWBBBWW. Use run-length encoding to encode this row as pairs of (colour, run length).
- 9th June 1967An array contains [9, 2, 6], to be sorted using insertion sort. Show the state of the array after each new element has been inserted into its correct position.
- 10th June 1967Complete: NOT 0 = ?
- 11th June 1967Convert the denary number 39 to an 8-bit binary number, showing your working.
- 12th June 1967State what LAN stands for.
- 13th June 1967Name the translator used for assembly language and describe how it differs from a compiler.
- 14th June 1967An 8-bit register stores the value 01100000 (denary 96). State the resulting 8-bit binary value after a left shift by 1 place, and state whether an overflow occurs.
- 15th June 1967Which CPU register holds the address of the next instruction to be fetched?
- 16th June 1967Distinguish between the network security threats known as phishing and pharming.
- 17th June 1967Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
- 18th June 1967A row of pixels is encoded using run-length encoding as: 3W 4B 3W. State the original row of pixels it represents.
- 19th June 1967A photo file is 3.5 MB in size. Calculate its size in kilobytes (KB). Use 1 MB = 1000 KB.
- 20th June 1967A streaming company records which shows each user watches and uses this to recommend similar shows. Explain one ethical concern this could raise, even if the company only uses the data to improve recommendations.
- 21st June 1967State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
- 22nd June 1967Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
- 23rd June 1967Give one example of an optical secondary storage device.
- 24th June 1967Define the term protocol.
- 25th June 1967State the term used for realistic data that a program would be expected to handle during normal use.
- 26th June 1967A table called members has fields memberId, firstName, lastName and joinYear. Write an SQL statement that adds a new record with memberId 12, firstName 'Priya', lastName 'Shah' and joinYear 2026.
- 27th June 1967State the difference between lossy and lossless compression.
- 28th June 1967State the condition that must be met before a binary search can be used on an array.
- 29th June 1967A logic circuit has inputs C and D. C feeds into a NOT gate; the output of the NOT gate and D feed into an OR gate, giving output Y. Write the Boolean expression for Y and state its value when C = 1 and D = 0.
- 30th June 1967Convert the hexadecimal number FF to an 8-bit binary number.