Daily Practice · GCSE Computer Science
December 1996 - GCSE Computer Science 5-a-day
Every sheet in December 1996
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st December 1996State the typical maximum capacity of a single-layer DVD.
- 2nd December 1996A 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?
- 3rd December 1996State what is meant by a syntax error.
- 4th December 1996Give one advantage of a relational database over a flat-file database.
- 5th December 1996What type of utility software reorganises files on a hard disk so fragmented parts are stored closer together?
- 6th December 1996Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
- 7th December 1996Given P = 0 and Q = 1, state the value of P OR Q.
- 8th December 1996Convert the hexadecimal number 3F to denary.
- 9th December 1996A 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.
- 10th December 1996Name the translator used for assembly language and describe how it differs from a compiler.
- 11th December 1996Convert the 4-bit binary number 1101 to denary.
- 12th December 1996Two 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.
- 13th December 1996State why an organisation might employ penetration testers to test its network.
- 14th December 1996Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
- 15th December 1996State one example of a file format that commonly uses lossy compression.
- 16th December 1996State how many bits are in one byte, and how many bytes are in one kibibyte (KiB).
- 17th December 1996State whether the source code of proprietary (closed source) software is normally available for the public to view.
- 18th December 1996Write one line of pseudocode that converts the string stored in heightInput into a real number and stores it in a variable called height.
- 19th December 1996A 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.
- 20th December 1996Order these units of data from smallest to largest: megabyte, byte, gigabyte, kilobyte.
- 21st December 1996Define the term protocol.
- 22nd December 1996Give one example of erroneous test data for a field that only accepts whole numbers from 1 to 10.
- 23rd December 1996A table called bookings has fields bookingId, customerName and eventDate. Write an SQL statement that deletes the booking with bookingId 45.
- 24th December 1996Each 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.
- 25th December 1996Which flowchart symbol shape is used to represent a decision point (e.g. a yes/no branch)?
- 26th December 1996State the two values a Boolean data type can hold.
- 27th December 1996Convert the denary number 39 to an 8-bit binary number, showing your working.
- 28th December 1996Calculate the number of cables needed to connect 8 computers in a full mesh topology, where every computer connects directly to every other computer.
- 29th December 1996Explain the purpose of a breakpoint.
- 30th December 1996Convert the hexadecimal number 1A to denary.
- 31st December 1996Convert the denary number 156 to an 8 bit binary number.