COMPUTER STUDIES PAPER 1 REVISION KIT 2022 TERM 2 MODEL17092022002
Linkers & Loaders
Computer programs are usually developed in Modules or Subroutines (i.e., program segments meant to carry out the specific relevant tasks). During program translation, these modules are translated separately into their object (machine) code equivalents.
The Linker is a utility software that accepts the separately translated program modules as its input, and logically combines them into one logical module, known as the Load Module that has got all the required bits and pieces for the translated program to be obeyed by the computer hardware.
The Loader is a utility program that transfers the load module (i.e. the linker output) into the computer memory, ready for it to be executed by the computer hardware.
Each programming language has a special sequence or order of writing characters.
The term Syntax refers to the grammatical rules, which govern how words, symbols, expressions and statements may be formed & combined.
These are rules, which govern the meaning of syntax. They dictate what happens (takes place) when a program is run or executed.
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