Daily Practice · GCSE Computer Science
September 2008 - GCSE Computer Science 5-a-day
Every GCSE Computer Science sheet published in September 2008, with answers. Systems, data representation, networks, algorithms and programming.
Every sheet in September 2008
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 2008State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.
- 2nd September 2008Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
- 3rd September 2008Give one example of an optical secondary storage device.
- 4th September 2008Name the four layers of the TCP/IP model in order from the one closest to the user.
- 5th September 2008State the term used for realistic data that a program would be expected to handle during normal use.
- 6th September 2008A 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.
- 7th September 2008State the difference between lossy and lossless compression.
- 8th September 2008State the condition that must be met before a binary search can be used on an array.
- 9th September 2008A 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 September 2008Convert the hexadecimal number FF to an 8-bit binary number.
- 11th September 2008Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
- 12th September 2008A 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.
- 13th September 2008Convert the denary number 45 to hexadecimal.
- 14th September 2008What does the acronym CPU stand for?
- 15th September 2008State what the term malware means.
- 16th September 2008An array named temps holds 12 values. State the index of the first item and the index of the last item.
- 17th September 2008An 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 September 2008Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
- 19th September 2008Which piece of UK legislation controls how organisations must store and use people's personal data?
- 20th September 2008Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
- 21st September 2008State the correct order of the three operations used to read data from a text file.
- 22nd September 2008Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
- 23rd September 2008State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
- 24th September 2008A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 25th September 2008A 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.
- 26th September 2008State one function carried out by the operating system of a computer.
- 27th September 2008In computational thinking, what is meant by the term 'decomposition'?
- 28th September 2008Given A = 1 and B = 1, state the value of A AND B.
- 29th September 2008Convert the denary number 200 to hexadecimal, showing your working.
- 30th September 2008Define a peer-to-peer network.