Daily Practice · GCSE Computer Science
November 2007 - GCSE Computer Science 5-a-day
Every GCSE Computer Science sheet published in November 2007, with answers. Systems, data representation, networks, algorithms and programming.
Every sheet in November 2007
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 2007State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
- 2nd November 2007A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
- 3rd November 2007Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
- 4th November 2007State the typical maximum capacity of a single-layer DVD.
- 5th November 2007A 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 November 2007State what is meant by a syntax error.
- 7th November 2007A 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.
- 8th November 2007What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
- 9th November 2007Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
- 10th November 2007Given P = 0 and Q = 1, state the value of P OR Q.
- 11th November 2007Convert the hexadecimal number FF to an 8-bit binary number.
- 12th November 2007A 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.
- 13th November 2007Name the translator used for assembly language and describe how it differs from a compiler.
- 14th November 2007Convert the 4-bit binary number 1101 to denary.
- 15th November 2007Two 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.
- 16th November 2007State why an organisation might employ penetration testers to test its network.
- 17th November 2007Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
- 18th November 2007State one example of a file format that commonly uses lossy compression.
- 19th November 2007State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).
- 20th November 2007State whether the source code of proprietary (closed source) software is normally available for the public to view.
- 21st November 2007Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
- 22nd November 2007State the correct order of the three operations used to read data from a text file.
- 23rd November 2007Order these units of data from smallest to largest: megabyte, byte, gigabyte, kilobyte.
- 24th November 2007Define the term protocol.
- 25th November 2007Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
- 26th November 2007A 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.
- 27th November 2007Each 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.
- 28th November 2007Which flowchart symbol shape is used to represent a decision point (e.g. a yes/no branch)?
- 29th November 2007State the two values a Boolean data type can hold.
- 30th November 2007Convert the denary number 200 to hexadecimal, showing your working.