Quick Recap
2.
mainframes and supercomputers.
Hardware refers to the physical components of a computer that we can see and touch
understand.
4. Output devices are used to deliver information from a computer to users.
5. Software is a set of instructions that control operations of a computer.
6. Software is classified into system software and application software.
7. System software is categorized as operating system, language processors and drivers.
Application software is categorized as a package or a utility.
8.
A set of instructions given to the computer in a computer language is called a program,
9. Computer languages are classified into five categories—machine language, assembly
language, high-level language, fourth-generation language and fifth-generation language.
0. The program written in high-level language is called the source code and the translated
program is called the object code.
Exercises
1. Computers are classified according to their sizes into microcomputers, minicomputers,
3. Input devices accept input from users and convert it into a language that a computer can
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