Questions and Answers
What is a computer program?
A set of instructions following the rules of the chosen language.
Which of the following are high-level programming languages? (Select all that apply)
A compiler translates source code into machine code line by line.
False
Programming languages can only be used to create software applications.
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What is the role of a computer programmer?
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Match the following generations of programming languages with their definitions:
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Which skill is NOT required to become a programmer?
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A program is similar to a ______ as it contains a list of ingredients and directions.
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Study Notes
Learning Outcomes
- Understand the essence of computer programming.
- Distinguish between compiler and interpreter functions.
- Compare machine language, assembly language, and high-level language differences.
- Identify various programming languages available.
- Grasp the phases involved in the system development life cycle.
Computer Program
- A program consists of a sequence of instructions adhering to specific language rules.
- Without programs, computers lack functionality; they serve as a recipe analogy, with variables as ingredients and statements as directions.
Programming Language
- Defined as a vocabulary and syntactic rules for directing a computer to execute tasks.
- High-level programming languages include BASIC, C, C++, COBOL, FORTRAN, Ada, Pascal, and Python.
- Conversion to machine language is essential for computer comprehension, which can be achieved via compilation or interpretation.
Compilation vs Interpretation
- Compilation: Transforms high-level programming from source code to object code through a tool called a compiler, generating a complete machine code as a new file.
- Interpretation: An interpreter reads and executes source code line by line, converting each line into machine code during the execution process.
Computer Programming Process
- Involves writing, testing, debugging, and maintaining source code in programming languages such as C++, JAVA, and Perl.
- Programmers are responsible for creating and managing software that instructs computers on operations.
Skills Required for Programmers
- Programming Skills: Ability to write programs for various applications.
- Writing Skills: Communicate effectively in written form according to audience needs.
- Reading Comprehension: Understand work-related written materials.
- Critical Thinking: Analyze various approaches to identify strengths and weaknesses.
- Technology Knowledge: Familiar with electronics, computers, and software.
- Mathematical Understanding: Proficiency in arithmetic, algebra, calculus, and statistics.
- Oral Communication: Ability to express ideas verbally clearly.
- Deductive Reasoning: Apply rules to specific problems for logical solutions.
- Information Organization: Classify and structure information systematically.
Generations of Programming Language
- 1GL: First-generation languages; low-level, equivalent to machine language.
- 2GL: Second-generation languages; low-level, typically assembly languages.
- 3GL: Third-generation languages; high-level languages such as C.
- 4GL: Fourth-generation languages; consist of statements resembling human language, commonly used in database programming.
- 5GL: Fifth-generation languages; utilize visual tools for program development.
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Description
This quiz covers the fundamental concepts of computer programming, including the distinctions between compilers and interpreters, and various programming languages. It also explores the phases of the system development life cycle and the importance of programming in achieving functionality in computers.
