Variables and Expressions — Class 11 ISC Computer Science revision notes
A 4-page visual revision sheet for Variables and Expressions, written for Class 11 ISC Computer Science. Formulas, diagrams and the traps that cost marks, laid out to be read the night before rather than the term before. Free, and it opens inside CapCompass.
What this Variables and Expressions sheet covers
- Declaring and initialising a variable
- Naming rules and conventions
- Local scope against instance scope, the short version
- Local variable
- Instance variable
- Operator families
- Arithmetic
- Relational
- Logical
- Assignment
- Increment, decrement and the ternary operator
- The array, one variable holding several values
- Operator precedence, why order matters
- Evaluating one mixed expression
- Words the question will use
- Traps that cost marks
- Tricks that save time
How CapCompass uses this sheet
These notes are not a standalone PDF. CapCompass plans Computer Science chapter by chapter against your real exam dates and free hours, and when the plan reaches Variables and Expressions the sheet opens inside the study block itself — at the page covering the sub-topic that block is on, with the timer still running. Revision arrives at the moment the plan says revise, instead of having to be gone looking for.
More Computer Science Class 11 revision notes
- Arrays and Strings
- Basic Input Output and File Handling
- Encodings
- Implementation of Algorithms
- Introduction to Object Oriented Programming using Java
- Methods and Constructors
- Numbers
- Objects and Classes
- Packages
- Primitive Values, Wrapper Classes and Types
- Propositional Logic and Hardware Implementation
- Recursion
- Statements and Scope
- Trends in Computing and Ethical Issues