Daily Practice · GCSE Computer Science
August 2006 - GCSE Computer Science 5-a-day
Every GCSE Computer Science sheet published in August 2006, with answers. Systems, data representation, networks, algorithms and programming.
Every sheet in August 2006
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st August 2006State the type of program that is typically stored in ROM.
- 2nd August 2006State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
- 3rd August 2006A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
- 4th August 2006Give one specific way this code could be refined without changing what it does: a = 5, b = 3, c = a + b, PRINT c
- 5th August 2006State the typical maximum capacity of a single-layer DVD.
- 6th August 2006Give two reasons why network communication is divided into layers.
- 7th August 2006State what is meant by a syntax error.
- 8th August 2006A 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.
- 9th August 2006What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
- 10th August 2006Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
- 11th August 2006Given P = 0 and Q = 1, state the value of P OR Q.
- 12th August 2006Convert the hexadecimal number FF to an 8-bit binary number.
- 13th August 2006A 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.
- 14th August 2006Explain why an interpreter is often preferred while a program is being written.
- 15th August 2006Convert the 4-bit binary number 1101 to denary.
- 16th August 2006Two 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.
- 17th August 2006State why an organisation might employ penetration testers to test its network.
- 18th August 2006A 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.
- 19th August 2006State one example of a file format that commonly uses lossy compression.
- 20th August 2006State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).
- 21st August 2006State whether the source code of proprietary (closed source) software is normally available for the public to view.
- 22nd August 2006Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
- 23rd August 2006State the correct order of the three operations used to read data from a text file.
- 24th August 2006Order these units of data from smallest to largest: megabyte, byte, gigabyte, kilobyte.
- 25th August 2006State the layer that IP operates in, and describe its job.
- 26th August 2006Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
- 27th August 2006A 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.
- 28th August 2006Each 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.
- 29th August 2006Which flowchart symbol shape is used to represent a decision point (e.g. a yes/no branch)?
- 30th August 2006State the two values a Boolean data type can hold.
- 31st August 2006Convert the denary number 200 to hexadecimal, showing your working.