12 Questions
What is the primary function of a compiler in a programming language?
To translate high-level language code into machine language
What is the primary function of an interpreter in a programming language?
To execute a program one statement at a time
What type of error occurs when the code is not written according to the syntax rules of a programming language?
Syntax error
What is the term for named memory locations used to store data during the execution of a program?
Variables
What type of error occurs when the output of a program is incorrect due to incorrect logic?
Logical error
What is the first step in problem solving?
Identify the problem
What are the three major operations performed by a computer?
Input, Processing, Output
What is a feature of object-oriented programming that allows for the use of other code without re-coding it completely?
Inheritance
What is the fourth step in the program development cycle?
Test the program
What is the main difference between procedural programming and object-oriented programming?
The use of objects in object-oriented programming
What is the purpose of access specifiers in object-oriented programming?
To hide data and make it more secure
What is the final step in the program development cycle?
Maintain the program
Study Notes
Computer Operations
- The computer performs three major operations: Input, Processing, and Output
Programming Languages
- A programming language has its own set of rules, symbols, and syntax
- Compiler: translates high-level language code into machine language
- Interpreter: translates programming code one statement at a time
Key Aspects of Programming Logic
- Variables: named memory locations used to store data during program execution
- Data types: define the type of data stored in variables
- Operators: symbols used to perform operations on one or more operands
- Control structures: used to determine the flow of execution of the program
- Functions: reusable pieces of code that perform a specific task
- Syntax: set of rules that define how programs in a programming language must be written
Types of Errors
- Syntax errors: incorrectly written code that does not follow syntax rules
- Run-time errors: errors that arise during program execution
- Logical errors: incorrect output due to incorrect order of instructions
Problem Solving
- Identify the problem
- Understand the problem
- Identify alternative solutions
- Select the best solution
- List the instructions to solve the problem
- Evaluate the solution
Program Development Cycle
- Understand the problem
- Plan the logic
- Code the program
- Translate the program into machine language
- Test the program
- Put the program into production
- Maintain the program
Programming Paradigms
- Procedural programming: divides program structure into small parts called functions, procedures, or methods
- Object-oriented programming (OOP): divides program structure into small parts called objects
- OOP features:
- Access specifiers (private, public, protected)
- Data hiding for security
- Overloading (different functionality with the same function name)
- Inheritance (reusing code with minor modifications)
Learn the basics of computer operations, programming languages, and programming logic. Understand the concepts of syntax, compilers, and interpreters. Explore key aspects of programming logic, including variables and more.
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