2.1.4

Arithmetic Operators

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Arithmetic Operators

Operators are symbols that represent a specific function within a program.

Basic operators

Basic operators

  • Addition is done using a + sign.
  • Subtraction is done using a - sign.
  • Division is done using a / sign.
  • Multiplication is done using a * sign.
  • Exponentiation is done using a ^ or ** sign.
Modulo operator

Modulo operator

  • The modulo operator gives the remainder of the division of two numbers.
  • For example:
    • 5 MOD (or %) 2 would be equal to 1.
Integer division

Integer division

  • The integer division operator returns the quotient (whole part) of a division.
  • For example:
    • 5 DIV (or //) 2 would give 2.
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1

Computational Thinking & Algorithms

1.1

Computational Thinking

1.1.1Abstraction Thinking1.1.2Decomposition Thinking1.1.3Algorithmic Thinking
1.2

Algorithms

1.2.1Algorithms1.2.2Pseudocode1.2.3Flow Diagrams1.2.4Logical Reasoning & Debugging1.2.5Reading Algorithms1.2.6Correcting Algorithms1.2.7Complete the Algorithm1.2.8Search Algorithms1.2.9Linear Search1.2.10Binary Search1.2.11Sort Algorithms1.2.12Bubble Sort1.2.13Insertion Sort1.2.14End of Topic Test - Algorithms
2

Programming

2.1

Programming Fundamentals

2.1.1Variables & Constants2.1.2Comments2.1.3Input & Output2.1.4Arithmetic Operators2.1.5Relational Operators2.1.6Boolean Operators2.1.7Sequence2.1.8Selection2.1.9Iteration2.1.10Subroutines2.1.11Scope2.1.12Data Types2.1.13Casting2.1.14Arrays2.1.152D Arrays2.1.16Lists2.1.172D Lists2.1.18Strings2.1.19Syntax Errors2.1.20Logic Errors2.1.21Runtime Errors2.1.22End of Topic Test - Programming
2.2

Designing Code

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2.3

Python

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3

Hardware & Software

3.1

Hardware

3.1.1Elements of Computer Systems3.1.2Central Processing Unit (CPU)3.1.3Registers of the Central Processing Unit (CPU)3.1.4Factors Affecting CPU Performance3.1.5Fetch-Decode-Execute Cycle3.1.6Binary Systems3.1.7Logic Circuits3.1.8Boolean Logic3.1.9End of Topic Test - Logic
3.2

Software

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4

Data

4.1

Representing Data

4.1.1Binary4.1.2Converting Binary & Hexadecimal4.1.3Converting Denary & Hexadecimal4.1.4Binary Arithmetic4.1.5Representing Sound4.1.6Representing Images4.1.7Character Sets4.1.8American Standard Code for Information Interchange4.1.9Unicode4.1.10End of Topic Test - Representation
5

The Internet

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Networks

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6

Online Safety & Security

6.1

Protecting Yourself Online

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6.2

Computing and the Law

6.2.1Data Protection Act (1998)6.2.2Computer Misuse Act (1990)6.2.3Freedom of Information Act (2000)6.2.4Plagiarism6.2.5Copyright6.2.6Copyright Designs and Patents Act (1988)6.2.7Creative Commons Licensing

Practice questions on Arithmetic Operators

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  1. 1
    What is the result of 17 MOD 5 (modulo operation)?Multiple choice
  2. 2
    Which of the following statements are correct of arithmetic operators?True / false
  3. 3
    The DIV operation performs which operation?Multiple choice
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Input & Output

Relational Operators