Daily Practice · GCSE Computer Science
October 1992 - GCSE Computer Science 5-a-day
Every sheet in October 1992
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 1992State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
- 2nd October 1992State the key difference between a procedure and a function.
- 3rd October 1992Give one example of an optical secondary storage device.
- 4th October 1992Give two reasons why network communication is divided into layers.
- 5th October 1992State the term used for realistic data that a program would be expected to handle during normal use.
- 6th October 1992Give one advantage of a relational database over a flat-file database.
- 7th October 1992State the difference between lossy and lossless compression.
- 8th October 1992State the condition that must be met before a binary search can be used on an array.
- 9th October 1992A 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.
- 10th October 1992Convert the hexadecimal number 3F to denary.
- 11th October 1992Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
- 12th October 1992Explain why an interpreter is often preferred while a program is being written.
- 13th October 1992Convert the denary number 45 to hexadecimal.
- 14th October 1992What does the acronym CPU stand for?
- 15th October 1992State what the term malware means.
- 16th October 1992A 2D array grid is declared as grid[4][6]. State how many rows and columns it has and how many elements it holds in total.
- 17th October 1992An uncompressed file is 6000 KB. After lossless compression it is 1500 KB. Calculate the compression ratio in the form n:1 (original size : compressed size).
- 18th October 1992Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
- 19th October 1992Which piece of UK legislation controls how organisations must store and use people's personal data?
- 20th October 1992Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
- 21st October 1992A 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.
- 22nd October 1992Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
- 23rd October 1992State the layer that IP operates in, and describe its job.
- 24th October 1992A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 25th October 1992A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
- 26th October 1992State one function carried out by the operating system of a computer.
- 27th October 1992In computational thinking, what is meant by the term 'decomposition'?
- 28th October 1992Given A = 1 and B = 1, state the value of A AND B.
- 29th October 1992Convert the denary number 39 to an 8-bit binary number, showing your working.
- 30th October 1992Define a peer-to-peer network.
- 31st October 1992Describe what syntax highlighting is and how it helps a programmer.