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2015

Cambridge IGCSE ยท 0478 ยท Paper 1 ยท Computer systems

Computer Science 0478/11 May/June 2015 past paper

Cambridge IGCSE Computer Science (0478) Paper 1 (Computer systems), variant 1, May/June 2015: the question paper and its official mark scheme, 10 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.

Questions
10
Marks
75
Grade A from
46
Open the question paperMark scheme

File names: 0478_s15_qp_11 ยท 0478_s15_ms_11

Grade thresholds for 0478/11 May/June 2015

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.

ABCDEFG
46383127221916

Topics in this paper

Which syllabus chapters 0478/11 May/June 2015 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Hardware330
The Internet and its Uses216
Boolean Logic110
Data Transmission29
Data Representation15
Software15

Questions in 0478/11 May/June 2015

  1. Question 1Data Transmission ยท 6 marks

    (a) State what is meant by the terms: Parallel data transmission Serial data transmission (b) Give one benefit of each type of data transmission. Parallel data transmission Benefit Serial data transmission Benefit (c) Give one application of each type of โ€ฆ

  2. Question 2Data Transmission ยท 3 marks

    (a) State what is meant by the term USB. (b) Describe two benefits of using USB connections between a computer and a device. 1 2

  3. Question 3Boolean Logic ยท 10 marks

    (a) Complete the truth table for the following logic circuit: โ€ฆ

  4. Question 4The Internet and its Uses ยท 6 marks

    Choose six correct terms from the following list to complete the spaces in the paragraphs below: โ€ข encryption โ€ข file name โ€ข firewall โ€ข HTML tags/text โ€ข IP address โ€ข protocol โ€ข proxy server โ€ข SSL certificate โ€ข web server โ€ฆ

  5. Question 5Hardware ยท 10 marks

    Five storage devices are described in the table below. In column 2, name the storage device being described. In columns 3, 4, or 5, tick (๏ƒผ) to show the appropriate category of storage. โ€ฆ

  6. Question 6The Internet and its Uses ยท 10 marks

    (a) Viruses, pharming and phishing are all examples of potential Internet security issues. Explain what is meant by each of these three terms. Virus Pharming Phishing (b) An online bank requires a client to supply an 8-digit code each time โ€ฆ

  7. Question 7Hardware ยท 8 marks

    (a) One of the key features of von Neumann computer architecture is the use of buses. Three buses and three descriptions are shown below. Draw a line to connect each bus to its correct description. Bus Description address bus this โ€ฆ

  8. Question 8Hardware ยท 12 marks

    An alarm clock is controlled by a microprocessor. It uses the 24 hour clock. The hour is represented by an 8-bit register, A, and the number of minutes is represented by another 8-bit register, B. (a) Identify what time is โ€ฆ

  9. Question 9Data Representation ยท 5 marks

    Draw a line to connect each question to the correct answer. Question Answer What is the denary (base 10) equivalent to the hexadecimal digit E? 8 If 1 GB = 2x then what is the value of X? 12 How โ€ฆ

  10. Question 10Software ยท 5 marks

    Five statements about interpreters and compilers are shown in the table below. Study each statement. Tick (๏ƒผ) to show whether the statement refers to an interpreter or to a compiler. Statement Interpreter Compiler takes one statement at a time and โ€ฆ

Other Computer Science papers from May/June 2015

Questions students ask

Where can I get the 0478/11 May/June 2015 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0478_s15_ms_11), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 0478/11 May/June 2015?
46 marks out of 75, a C needed 31.
Which topics came up in 0478/11 May/June 2015?
Mostly Hardware, The Internet and its Uses, Boolean Logic. The full list is in the table above.
Do I need an account to open 0478/11 May/June 2015?
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.