Daily Practice · GCSE Computer Science
May 2005 - GCSE Computer Science 5-a-day
Every GCSE Computer Science sheet published in May 2005, with answers. Systems, data representation, networks, algorithms and programming.
Every sheet in May 2005
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st May 2005A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
- 2nd May 2005State the type of program that is typically stored in ROM.
- 3rd May 2005State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
- 4th May 2005A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
- 5th May 2005Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
- 6th May 2005State the typical maximum capacity of a single-layer DVD.
- 7th May 2005Define the term protocol.
- 8th May 2005State what is meant by a syntax error.
- 9th May 2005A 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.
- 10th May 2005What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
- 11th May 2005Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
- 12th May 2005Given P = 0 and Q = 1, state the value of P OR Q.
- 13th May 2005Convert the hexadecimal number FF to an 8-bit binary number.
- 14th May 2005A 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.
- 15th May 2005Explain the purpose of a breakpoint.
- 16th May 2005Convert the 4-bit binary number 1101 to denary.
- 17th May 2005Two 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.
- 18th May 2005State why an organisation might employ penetration testers to test its network.
- 19th May 2005Explain why a running maximum should be initialised to the first element of the array rather than to 0.
- 20th May 2005State one example of a file format that commonly uses lossy compression.
- 21st May 2005State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).
- 22nd May 2005State whether the source code of proprietary (closed source) software is normally available for the public to view.
- 23rd May 2005Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
- 24th May 2005State the correct order of the three operations used to read data from a text file.
- 25th May 2005Order these units of data from smallest to largest: megabyte, byte, gigabyte, kilobyte.
- 26th May 2005Name the four layers of the TCP/IP model in order from the one closest to the user.
- 27th May 2005Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
- 28th May 2005A 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.
- 29th May 2005Each pair from the previous question is stored using 2 bytes. Calculate the compression ratio achieved, given the uncompressed row (1 byte per pixel) uses 8 bytes.
- 30th May 2005Which flowchart symbol shape is used to represent a decision point (e.g. a yes/no branch)?
- 31st May 2005State the two values a Boolean data type can hold.