Daily Practice · GCSE Computer Science
June 1983 5-a-day
Every sheet in June 1983
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1983Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
- 2nd June 1983Give one advantage and one disadvantage of using a compiler.
- 3rd June 1983Convert the denary number 45 to hexadecimal.
- 4th June 1983What does the acronym CPU stand for?
- 5th June 1983State what the term malware means.
- 6th June 1983Write a loop in pseudocode that outputs every element of a 1D array named names of length 6.
- 7th June 1983An 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).
- 8th June 1983Which of RAM and ROM is volatile, meaning its contents are lost when the power is removed?
- 9th June 1983Which piece of UK legislation controls how organisations must store and use people's personal data?
- 10th June 1983Given x = 5 and y = 8, state whether x < y AND x > 0 evaluates to True or False.
- 11th June 1983A function is defined as: FUNCTION addTax(price) RETURN price x 1.2 ENDFUNCTION. Another line of code runs: total <- addTax(20) + addTax(30). Trace both function calls and state the final value of total.
- 12th June 1983Give one reason why RAM on its own is not enough, and a computer also needs secondary storage.
- 13th June 1983A 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?
- 14th June 1983A password field requires between 6 and 12 characters. State two boundary data values that should be used to test this field.
- 15th June 1983A table called staff has fields staffId, name, department and salary, storing these records: staffId | name | department | salary, 1 | Ben | Sales | 24000, 2 | Chloe | IT | 31000, 3 | Dan | Sales | 27000. State which staffId(s) would be returned by: SELECT staffId FROM staff WHERE department = 'Sales' AND salary > 25000;
- 16th June 1983State one function carried out by the operating system of a computer.
- 17th June 1983In computational thinking, what is meant by the term 'decomposition'?
- 18th June 1983Given A = 1 and B = 1, state the value of A AND B.
- 19th June 1983Convert the 8-bit binary number 01011010 to denary.
- 20th June 1983Define a peer-to-peer network.
- 21st June 1983Name the translator used for assembly language and describe how it differs from a compiler.
- 22nd June 1983Convert the denary number 5 to a 4-bit binary number.
- 23rd June 1983A CPU has a clock speed of 4.0 GHz. Calculate how many clock cycles it completes in 2 seconds.
- 24th June 1983A simple cipher shifts every letter 2 places forward in the alphabet, wrapping around so Y becomes A and Z becomes B. Encrypt the plaintext CAT using this cipher.
- 25th June 1983Explain what happens if a program tries to read index 5 of an array declared with 5 elements.
- 26th June 1983A mono sound clip has a sample rate of 4000 Hz and lasts 2 seconds. Calculate the total number of samples taken.
- 27th June 1983State the type of program that is typically stored in ROM.
- 28th June 1983State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
- 29th June 1983A FOR loop runs: total = 0, FOR i = 1 TO 4, total = total + i, NEXT i. State the value of total after the loop finishes.
- 30th June 1983Write the pseudocode header and body for a function called isAdult that takes one integer parameter called age and returns True if age is 18 or over.