The Exam Papers

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수업 노트

Paper 1 Overview

Focuses on fundamental principles of computer systems (Topics 1–6).
Duration: 1 hour 45 minutes, 75 marks, 50% of total IGCSE.
Written paper with short-answer and structured questions; all compulsory.
Assesses AO1 (knowledge), AO2 (application), AO3 (evaluation/conclusions).
Calculators not permitted; covers grades A×–G.
Questions set in everyday ICT contexts.

Paper 1 Content Topics

Topic 1: Data Representation (binary, denary, hexadecimal, images, sound).
Topic 2: Data Transmission (serial, parallel, protocols, error detection).
Topic 3: Hardware (CPU, memory, storage, input/output devices).
Topic 4: Software (operating systems, utilities, translators).
Topic 5: The Internet and its Uses (IP addresses, DNS, cookies, cloud).
Topic 6: Automated and Emerging Technologies (robotics, AI).

Paper 1 Key Skills

Apply mathematical skills: arithmetic, Boolean operators, number systems.
Understand command words: Calculate, Compare, Define, Describe, Explain, Identify, State.
No prior study expected; all content taught in course.

Paper 2 Overview

Focuses on computational thinking, algorithms, programming, Boolean logic (Topics 7–10).
Duration: 1 hour 45 minutes, 75 marks, 50% of total IGCSE.
Written paper with short-answer and structured questions; all compulsory.
Assesses AO1, AO2, AO3 (same as Paper 1).
Calculators not permitted.

Paper 2 Content Topics

Topic 7: Algorithm design and problem-solving (flowcharts, pseudocode, searching/sorting).
Topic 8: Programming (variables, loops, arrays, procedures).
Topic 9: Databases (tables, queries, SQL).
Topic 10: Boolean logic (logic gates, truth tables, logic circuits).

Paper 2 Scenario Question

Final question is an unseen scenario worth 15 marks.
Candidates write an algorithm in pseudocode or program code.
Expected time: 30 minutes.
Logic is more important than exact syntax; answers must be inferable by a competent programmer.

Paper 2 Key Skills

Use standard flowchart symbols and logic gate symbols.
Pseudocode: keywords in UPPERCASE (e.g., IF, REPEAT), identifiers in mixed case (e.g., NumberOfPlayers).
Apply computational thinking: abstraction, decomposition.
Know standard algorithms: linear search, binary search, bubble sort, insertion sort.
Mathematical skills: averages, random numbers, decimals, fractions, percentages, ratios, integers, real numbers, arithmetic/Boolean operators, number systems, counting, totalling, rounding.

Assessment Objectives (Both Papers)

AO1: Demonstrate knowledge and understanding of principles and concepts.
AO2: Apply knowledge and understanding to analyse problems.
AO3: Provide solutions by evaluating, making judgments, and presenting conclusions.

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연습 문제

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1.How many marks is Paper 1 of the Cambridge IGCSE Computer Science exam worth?
Easy
- A75
- B50
- C100
- D150
2.What percentage of the total IGCSE qualification does Paper 2 represent?
Easy
- A50%
- B25%
- C75%
- D100%
3.What is the duration of Paper 1?
Easy
- A1 hour 45 minutes
- B2 hours
- C1 hour 30 minutes
- D2 hours 15 minutes
4.Which assessment objective involves applying knowledge and understanding to analyse problems?
Easy
- AAO2
- BAO1
- CAO3
- DAO4
5.In Paper 2, how many marks is the final unseen scenario question worth?
Easy
- A15
- B10
- C20
- D25
6.Which of the following is NOT a topic assessed in Paper 1?
Easy
- ADatabases
- BData Representation
- CHardware
- DThe Internet and its Uses
7.Are calculators permitted in the Cambridge IGCSE Computer Science examinations?
Easy
- ANo
- BYes
- COnly in Paper 2
- DOnly in Paper 1
8.Which of the following is a key consideration for students in Paper 2 regarding pseudocode?
Easy
- AKeywords should be in uppercase and identifiers in mixed case
- BExact syntax must be memorised
- CFlowchart symbols are optional
- DLogic is less important than syntax

더 많은 문제

9.What is the total number of marks available across both papers?
Easy
- A150
- B75
- C100
- D200
10.Which of the following topics is assessed in Paper 2?
Easy
- ABoolean logic
- BData Transmission
- CAutomated and Emerging Technologies
- DHardware
11.What does AO3 involve?
Easy
- AProviding solutions by evaluating, making judgments, and presenting conclusions
- BDemonstrating knowledge and understanding
- CApplying knowledge to analyse problems
- DRecalling facts and definitions
12.How many topics are assessed in Paper 1?
Easy
- A6
- B5
- C7
- D4
13.A student converts the denary number 200 to binary. What is the correct 8-bit binary representation?
Medium
- A11001000
- B11101000
- C10011000
- D11000100
14.In a computer system, what is the purpose of the control unit?
Easy
- ATo perform arithmetic and logical operations
- BTo decode and execute instructions by controlling the flow of data
- CTo store data and programs permanently
- DTo manage the input and output devices
15.A file of size 5 MB is to be transmitted over a network with a bandwidth of 10 Mbps. How long will the transmission take?
Medium
- A0.5 seconds
- B4 seconds
- C40 seconds
- D0.4 seconds
16.Which of the following is an example of application software?
Easy
- AMicrosoft Windows
- BLinux operating system
- CMicrosoft Word
- DDevice driver
17.A logic circuit has inputs A, B, and C. The output is 1 only when A = 1 and (B = 0 OR C = 1). Which Boolean expression represents this?
Medium
- AA AND (NOT B OR C)
- BA AND (B OR C)
- CA OR (NOT B AND C)
- D(A AND NOT B) OR C
18.The hexadecimal number 2F is equivalent to which denary value?
Medium
- A47
- B31
- C62
- D41
19.Which of the following best describes a Trojan horse?
Easy
- AA program that replicates itself and spreads to other computers
- BA program disguised as legitimate software that performs malicious actions
- CA program that monitors user activity and sends data to a third party
- DA program that encrypts files and demands payment for decryption
20.What is the function of a router in a network?
Easy
- ATo connect devices within a single network
- BTo forward data packets between different networks
- CTo amplify signals over long distances
- DTo assign IP addresses to devices
21.A sensor measures temperature and sends an 8-bit binary value to a microprocessor. The temperature range is 0 to 255 °C. What is the resolution of the sensor?
Medium
- A0.5 °C
- B1 °C
- C2 °C
- D0.1 °C
22.Which of the following is a characteristic of cloud computing?
Easy
- AData is stored locally on the user's hard drive
- BResources are provided on-demand over the internet
- CSoftware must be installed from physical media
- DThe user has full control over the hardware
23.A programmer writes pseudocode: IF Score ≥ 70 THEN Grade ← 'A' ELSE IF Score ≥ 50 THEN Grade ← 'B' ELSE Grade ← 'C' ENDIF. What is the value of Grade when Score = 70?
Medium
- A'A'
- B'B'
- C'C'
- DNo value assigned
24.Which of the following is an advantage of using a high-level language over a low-level language?
Easy
- AIt gives direct control over hardware
- BIt is easier to read, write and debug
- CIt produces more efficient machine code
- DIt does not require translation to machine code
25.A student writes the following pseudocode: INPUT Score IF Score ≥ 70 THEN Grade ← 'A' ELSE IF Score ≥ 50 THEN Grade ← 'B' ELSE Grade ← 'C' ENDIF ENDIF What is the value of Grade when the input is 50?
Medium
- A'B'
- B'A'
- C'C'
- Dundefined
26.What is the duration of Paper 1 in the Cambridge IGCSE Computer Science examination?
Easy
- A1 hour 45 minutes
- B2 hours
- C1 hour 30 minutes
- D1 hour
27.A programmer writes an algorithm in pseudocode. Which of the following is the most important aspect when marking the algorithm?
Medium
- AThe logic of the algorithm
- BThe exact syntax used
- CThe number of lines of code
- DThe use of uppercase keywords
28.A logic circuit is required to output 1 when the binary input is greater than 5. The input is a 3-bit number (bits A, B, C with A as most significant). Which Boolean expression gives the correct output?
Hard
- AA AND (B OR C)
- BA AND B
- CA OR (B AND C)
- DA AND B AND C
29.What is the total number of marks available across both papers in the IGCSE Computer Science examination?
Easy
- A150
- B75
- C100
- D200
30.A student is writing an algorithm to find the average of a list of numbers. Which computational thinking skill is most important for breaking down this problem into smaller steps?
Easy
- ADecomposition
- BAbstraction
- CPattern recognition
- DAlgorithmic thinking
31.Paper 1 of the Cambridge IGCSE Computer Science exam covers which topics?
Easy
- ATopics 1–6: Data Representation, Data Transmission, Hardware, Software, The Internet and its Uses, Automated and Emerging Technologies
- BTopics 7–10: Algorithm design, Programming, Databases, Boolean logic
- CTopics 1–10: all topics
- DTopics 3–8: Hardware, Software, The Internet, Automated Technologies, Algorithm design, Programming
32.What is the duration of Paper 2 in the Cambridge IGCSE Computer Science examination?
Easy
- A1 hour 45 minutes
- B2 hours
- C1 hour 30 minutes
- D1 hour
33.What percentage of the total IGCSE qualification does Paper 1 represent?
Easy
- A50%
- B75%
- C25%
- D100%
34.Which assessment objective is described as 'Provide solutions by evaluating, making judgments, and presenting conclusions'?
Easy
- AAO3
- BAO1
- CAO2
- DAO4
35.In Paper 2, which of the following is NOT assessed?
Easy
- AData Representation
- BAlgorithm design and problem-solving
- CProgramming
- DBoolean logic
36.What is the total number of marks available for Paper 2?
Easy
- A75
- B100
- C50
- D150
37.Which of the following is a key consideration for students in Paper 1 regarding mathematical skills?
Easy
- ACandidates should be able to apply arithmetic, Boolean operators, different number systems, and methods of counting, totalling, and rounding
- BCalculators are permitted
- CMathematical skills are not assessed
- DOnly binary numbers are used
38.In the context of Paper 2, which statement about pseudocode is correct?
Medium
- ALearners are not expected to memorise exact syntax, but their answers should be inferable by a competent programmer
- BExact syntax from the syllabus guide must be memorised
- CPseudocode is not accepted; only program code is accepted
- DPseudocode must be written in a specific programming language
39.What does AO1 involve?
Easy
- ADemonstrating knowledge and understanding of principles and concepts
- BApplying knowledge and understanding to analyse problems
- CProviding solutions by evaluating, making judgments, and presenting conclusions
- DDesigning algorithms and writing code
40.How many marks is the final unseen scenario question worth in Paper 2?
Easy
- A15 marks
- B10 marks
- C20 marks
- D5 marks
41.Which of the following topics is assessed in Paper 1 of the Cambridge IGCSE Computer Science exam?
Easy
- AAlgorithm design and problem-solving
- BData Representation
- CDatabases
- DBoolean logic
42.Calculators are permitted in the Cambridge IGCSE Computer Science examinations.
Easy
True or false?
43.Match each assessment objective (AO) to its description.
Medium
- AO1
- AO2
- AO3
- Apply knowledge and understanding to analyse problems
- Demonstrate knowledge and understanding of principles and concepts
- Provide solutions by evaluating, making judgments, and presenting conclusions
44.Which of the following are topics assessed in Paper 2? (Select all that apply)
Medium
- AAlgorithm design and problem-solving
- BData Transmission
- CDatabases
- DHardware
- EBoolean logic
45.In Paper 2, candidates are required to write an algorithm for an unseen scenario worth 15 marks.
Easy
True or false?
46.Arrange the following assessment objectives in the order they are listed in the syllabus (AO1, AO2, AO3).
Easy
- Apply knowledge and understanding to analyse problems
- Demonstrate knowledge and understanding of principles and concepts
- Provide solutions by evaluating, making judgments, and presenting conclusions
47.Match each Paper 1 topic to its correct topic number.
Easy
- Data Representation
- Hardware
- The Internet and its Uses
- Automated and Emerging Technologies
- Topic 1
- Topic 3
- Topic 5
- Topic 6
48.Arrange the following assessment objectives (AO) in the order they are listed in the IGCSE Computer Science syllabus.
Easy
- AO3: Provide solutions by evaluating, making judgments, and presenting conclusions
- AO1: Demonstrate knowledge and understanding of principles and concepts
- AO2: Apply knowledge and understanding to analyse problems
49.Which of the following are topics assessed in Paper 2 of the Cambridge IGCSE Computer Science exam? (Select all that apply)
Medium
- AAlgorithm design and problem-solving
- BData Transmission
- CProgramming
- DDatabases
- EBoolean logic
- FHardware
50.A student converts the hexadecimal number 2F to denary. What is the correct denary value?
Medium
- A47
- B62
- C31
- D15
51.State the duration, in minutes, of Paper 1 in the Cambridge IGCSE Computer Science exam.
Easy
52.Complete the sentence.
Easy
Paper 1 consists of short-answer and ____ questions.
53.Complete the sentence about Paper 2.
Easy
When writing pseudocode in Paper 2, keywords should be written in ____ case.
54.State the total number of marks available for Paper 2 in the Cambridge IGCSE Computer Science exam.
Easy
55.A file of size 3 MB is transmitted over a network with a bandwidth of 6 Mbps. How many seconds will the transmission take?
Medium
56.Describe what is meant by a 'compulsory question' in the context of the IGCSE Computer Science exam papers.
Easy
57.Describe two differences between a compiler and an interpreter in the context of translating high-level language code.
Medium
58.State the total number of marks available for Paper 2 in the Cambridge IGCSE Computer Science exam.
Easy
- A75 marks
- B67 marks
- C83 marks
- D91 marks
59.A file of size 3 MB is transmitted over a network with a bandwidth of 6 Mbps. How many seconds will the transmission take?
Medium
- A5 s
- B4 s
- C3 s
- D6 s

플래시카드

What is the duration of Paper 1 and Paper 2 in the Cambridge IGCSE Computer Science exam?

Both Paper 1 and Paper 2 are 1 hour and 45 minutes long.

How many marks are available in each paper?

Each paper has a maximum of 75 marks.

What percentage of the total IGCSE qualification does each paper represent?

Each paper represents 50% of the total IGCSE qualification.

What topics are assessed in Paper 1?

Paper 1 covers Topics 1–6: Data Representation, Data Transmission, Hardware, Software, The Internet and its Uses, and Automated and Emerging Technologies.

What topics are assessed in Paper 2?

Paper 2 covers Topics 7–10: Algorithm design and problem-solving, Programming, Databases, and Boolean logic.

What types of questions are on Paper 1 and Paper 2?

Both papers consist of short-answer and structured questions. All questions are compulsory and answered directly on the question paper.

Are calculators permitted in the Cambridge IGCSE Computer Science exams?

No, calculators are not permitted in either Paper 1 or Paper 2.

What are the three assessment objectives (AOs) assessed in the exams?

AO1: Demonstrate knowledge and understanding; AO2: Apply knowledge to analyse problems; AO3: Provide solutions by evaluating, making judgments, and presenting conclusions.

What is the final question in Paper 2?

The final question is an unseen scenario question worth 15 marks, requiring candidates to write an algorithm using pseudocode or program code.

How much time is recommended for the final scenario question in Paper 2?

Candidates are expected to spend 30 minutes answering the final scenario question.

Is knowledge of programming language syntax examined in Paper 2?

No, the logic of algorithms and programs is considered more important than syntax.

What style should pseudocode use according to the syllabus?

Keywords in uppercase (e.g., IF, REPEAT, PROCEDURE) and identifiers in mixed case (e.g., NumberOfPlayers).

What symbols must be used when drawing flowcharts and logic circuits?

Standard flowchart symbols and standard logic gate symbols must be used.

What mathematical skills are candidates expected to apply?

Arithmetic, Boolean operators, number systems (binary, denary, hexadecimal), counting, totalling, rounding, averages, random numbers, decimals, fractions, percentages, ratios, positive/negative integers, and real numbers.

What command words are used in the exams?

Command words include Calculate, Compare, Define, Describe, Explain, Identify, State.

What is the focus of Paper 1?

Paper 1 focuses on fundamental principles and concepts of computer systems.

What is the focus of Paper 2?

Paper 2 focuses on computational thinking, algorithm design, programming, and Boolean logic.

What is the grade range assessed by the papers?

The papers assess the full grade range from A×to G.

Are candidates expected to have prior study for this course?

No prior study is expected for this course.

What computational thinking skills should candidates develop?

Abstraction and decomposition, as well as designing, writing, testing, and debugging programs.

What standard algorithms should candidates be familiar with?

Searching algorithms (linear, binary) and sorting algorithms (bubble, insertion).

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