2021

Cambridge A Level ยท 9618 ยท Paper 1 ยท Theory fundamentals

Computer Science 9618/12 Oct/Nov 2021 past paper

Cambridge A Level Computer Science (9618) Paper 1 (Theory fundamentals), variant 2, Oct/Nov 2021: the question paper and its official mark scheme, 8 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.

Questions
8
Marks
75
Grade A from
46

File names: 9618_w21_qp_12 ยท 9618_w21_ms_12

Grade thresholds for 9618/12 Oct/Nov 2021

The minimum raw marks Cambridge set for each grade on this component (out of 75). Thresholds change every session and variant, so always compare your score with the paper you actually sat.

ABCDE
4640332620

Topics in this paper

Which syllabus chapters 9618/12 Oct/Nov 2021 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Processor Fundamentals226
Information representation220
Databases115
Communication18
Hardware14
Security, privacy and data integrity12

Questions in 9618/12 Oct/Nov 2021

  1. Question 1Security, privacy and data integrity ยท 2 marks

    When designing computer systems, it is important to consider the security, integrity and privacy of the data. Draw one line from each measure to indicate whether it keeps data secure or protects the integrity of data. Data Security Data Integrity โ€ฆ

  2. Question 2Hardware ยท 4 marks

    (a) Complete the truth table for each of the following two logic gates. A B Output โ€ฆ

  3. Question 3Communication ยท 8 marks

    Andy likes to play computer games. (a) Andy uses several input devices to play the games. These include a keyboard and a microphone. Describe the principal operation of a microphone. (b) Andy plays some of the computer games over the โ€ฆ

  4. Question 4Information representation ยท 8 marks

    A register stores the following binary number: โ€ฆ

  5. Question 5Information representation ยท 12 marks

    Riya has created the following logo as a vector graphic. R (a) Complete the table by writing a description of each vector graphic term and give an example for this logo. Term Description Example from logo Property Drawing list (b) โ€ฆ

  6. Question 6Databases ยท 15 marks

    A shop sells plants to customers. The shop manager has a relational database to keep track of the sales. The database, PLANTSALES, has the following structure: PLANT(PlantName, QuantityInStock, Cost) CUSTOMER(CustomerID, FirstName, LastName, Address, Email) PURCHASE(PurchaseID, CustomerID) PURCHASE_ITEM(PurchaseID, PlantName, Quantity) (a) โ€ฆ

  7. Question 7Processor Fundamentals ยท 11 marks

    A computer has system software. (a) The Operating System handles interrupts. Tick (๏ƒผ) one box in each row to identify whether each event is an example of a hardware interrupt or a software interrupt. Event Hardware interrupt Software interrupt Buffer โ€ฆ

  8. Question 8Processor Fundamentals ยท 15 marks

    The Von Neumann model for a computer system uses registers. (a) Describe the role of the following special purpose registers in the fetch-execute (F-E) cycle. (i) Memory Address Register (MAR) Memory Data Register (MDR) (ii) Another special purpose register is โ€ฆ

Other Computer Science papers from Oct/Nov 2021

Questions students ask

Where can I get the 9618/12 Oct/Nov 2021 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (9618_w21_ms_12), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 9618/12 Oct/Nov 2021?
46 marks out of 75, a C needed 33.
Which topics came up in 9618/12 Oct/Nov 2021?
Mostly Processor Fundamentals, Information representation, Databases. The full list is in the table above.
Do I need an account to open 9618/12 Oct/Nov 2021?
No. Every paper opens for free without signing in. A free account also saves your pen marks and records your score against the grade thresholds.