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Edexcel GCSE Computer Science (1CP2) Exam Questions

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2 questions · 4 marks

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1Describe2 marksLow and High Level Languages Swap Remove

A program can be written in a high-level language such as Python.

Describe one characteristic of a high-level programming language.

[2 marks]
Mark scheme

Award up to two marks for a linked description such as:

  • Statements are written using words/phrases that look like English or maths (1) so the code is easier to read/understand/write (1)
  • One statement is translated into several machine code instructions (1) so programs are shorter to write than in a low-level language (1)
  • High-level languages provide built-in data structures such as arrays/lists/records (1) so a collection of data items can be stored and accessed under one name (1)

Do not accept responses that only give a benefit or drawback, such as 'it is easier to learn', with no characteristic.

Do not accept 'it is easier than a low-level language' without saying what the characteristic is.

Example answers and how they were marked
Full marks2/2

Statements are written using words that look like English or maths (1) so the program is easier to read and understand (1).

Why: Characteristic of the statements (1) with a linked development (1).

Some marks1/2

It has built-in data structures such as arrays.

Why: A correct characteristic (1) but no development of what it allows the programmer to do.

No marks0/2

It is easier to learn than a low-level language.

Why: Gives only a benefit compared with a low-level language; no characteristic of the language itself, so no mark.

2Explain2 marksLow and High Level Languages Swap Remove

High-level languages are designed to be easier to learn than low-level languages.

Explain one reason why a high-level language is easier to learn than a low-level language.

[2 marks]
Mark scheme

Award up to two marks for a linked explanation such as:

  • Statements are written in English-like words/use maths symbols (1) so the programmer can understand more easily what each one does (1)
  • The language uses meaningful names for variables/structured constructs such as loops (1) so the code is easier to read/follow (1)
  • One statement translates into several machine code instructions (1) so there are fewer instructions to learn/understand for the same task (1)

For both marks, the expansion must follow/associate with the statement.

Do not accept 'it is easier' / 'it is simpler' on its own, without saying what is easier/simpler.

Do not accept 'the computer understands it directly' / 'it does not need translating'.

Do not award answers about the program running faster or using less memory, as these are not about ease of learning.

Example answers and how they were marked
Full marks2/2

Statements are written in English-like words (1) so the programmer can understand more easily what each line does (1).

Why: Linked point (1) of English-like statements and reason (1) that these are easier to understand.

Some marks1/2

It uses meaningful names for variables (1) so it is easier.

Why: Point (1) that meaningful names for variables are used, but 'so it is easier' is not accepted as the linked reason.

No marks0/2

Because the computer can understand high-level code without translation.

Why: Misconception that high-level code is understood directly by the computer; no creditworthy characteristic of the language is given.

Questions by topic

2.1 Binary

Build a paper on this topic 58
Adding Binary Numbers 6 questions Binary and Hexadecimal Basics 10 questions Binary Shifts 6 questions Binary to Denary Conversion 6 questions Binary to Hexadecimal Conversion 6 questions Denary to Binary Conversion 6 questions Denary to Hexadecimal Conversion 6 questions Denary to Negative Binary Conversion 6 questions Hexadecimal to Binary Conversion 6 questions

2.2 Data representation

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Character Sets 18 questions Images 19 questions Sound 19 questions

2.3 Data storage and compression

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Compression 18 questions Units & Conversion 6 questions

3.1 Hardware

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Embedded Systems 17 questions Fetch Decode Execute Cycle 15 questions Primary Memory 15 questions Secondary Memory 15 questions Stored Program Computers 15 questions

3.2 Software

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File Management 18 questions Memory Management 16 questions Peripheral Management 11 questions Process Management 12 questions Purpose & Function of Operating Systems 17 questions Software Basics 13 questions User Management 18 questions Utility Software 19 questions

3.3 Programming languages

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Low and High Level Languages 19 questions Translators 18 questions

4.1 Networks

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Addressing 16 questions LANs & WANs 16 questions Network Speed 5 questions Packet Switching 16 questions Protocols & Layers 17 questions The Internet 16 questions Topologies 17 questions Wired Connections 17 questions Wireless Connections 18 questions

4.2 Network security

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Network Security Risks 18 questions Preventing Network Security Risks 18 questions

5.1 Environmental

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E-waste 15 questions Manufacturing Technology 8 questions

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