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2019

Cambridge A Level · 9608 · Paper 3 · Advanced theory

Computer Science 9608/33 May/June 2019 past paper

Cambridge A Level Computer Science (9608) (previous syllabus, now 9618) Paper 3 (Advanced theory), variant 3, May/June 2019: the question paper and its official mark scheme, 6 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.

Questions
6
Marks
75
Grade A from
51
Open the question paperMark scheme

File names: 9608_s19_qp_33 · 9608_s19_ms_33

Grade thresholds for 9608/33 May/June 2019

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
5144383124

Topics in this paper

Which syllabus chapters 9608/33 May/June 2019 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Communication116
Security (A Level)115
Data Representation113
Hardware and Virtual Machines111
System Software (A Level)110
Hardware110

Questions in 9608/33 May/June 2019

  1. Question 1Data Representation · 13 marks

    In a computer system, real numbers are stored using normalised floating-point representation with: • twelve bits for the mantissa • four bits for the exponent. The mantissa and exponent are both in two’s complement form. (a) Calculate the denary value …

  2. Question 2Communication · 16 marks

    Cables connect the computers in a university admissions department in a star topology. The server room contains the server and printer for the employees to use. The department has three employees. Each employee has a computer connected to the star …

  3. Question 3Hardware and Virtual Machines · 11 marks

    (a) The following logic circuit can be simplified to use only one gate. …

  4. Question 4System Software (A Level) · 10 marks

    A compiler uses a keyword table and a symbol table. Part of the keyword table is shown. • Tokens for keywords are shown in hexadecimal. • All of the keyword tokens are in the range …

  5. Question 5Security (A Level) · 15 marks

    (a) Wiktor is an employee of a travel agent. He uses asymmetric encryption to send confidential information to his manager. Fill in the spaces with an appropriate term to complete the descriptions. Asymmetric encryption uses different . for encrypting and …

  6. Question 6Hardware · 10 marks

    Monitoring and control systems have many different applications. (a) Explain the importance of feedback in a control system. (b) An indoor swimming pool is to be kept at a constant temperature of 28 degrees. Describe the use of feedback in …

Other Computer Science papers from May/June 2019

Questions students ask

Where can I get the 9608/33 May/June 2019 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (9608_s19_ms_33), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 9608/33 May/June 2019?
51 marks out of 75, a C needed 38.
Which topics came up in 9608/33 May/June 2019?
Mostly Communication, Security (A Level), Data Representation. The full list is in the table above.
Do I need an account to open 9608/33 May/June 2019?
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.