IB CS Topic 4.3

Which of the following are examples of Fundamental Operations?

• Add

• Compare

• Retrieve

• Store

Combinations of fundamental operations are known as __________ operations. Example: Finding maximum of four numbers

Meaning of code/construction of programming language

• Syntax

• Semantics

• Purpose

• Flow

Commands/Words with special meanings. Examples: import, int, static

• Keywords

• Syntax

• Interpretations

• Constant

Only language understood directly by computer, made of 1s and 0s => hard to write, debug, and maintain.

• Programming Language

• Human Language

• Machine Language

Allows development of instructions and reference to address locations with mnemonics; program development is easier but each language supports only one specific computer system.

• Modular Language

• Assembly Language

• Global language

Translates above to machine code

Translates entire source program to object program only once, returning syntax errors if any. Examples: Java, C++

• Compiler

• Interpreter

Contains sequence of instructions that perform specific and predefined task. More than one of this may be contained in software libraries that can be used by programs. Three examples below.

• Parameter

• Method

• Sub-program

• Module

Small section of program customized by programmer to perform a particular task.

• Module

• Focused Program

• Defined program

• Method