Operating Systems Overview

An ______ is a special type of program that loads automatically when you start your computer. The ______ allows you to use the advanced features of a modern computer without having to learn all the details of how the hardware works. The link between the hardware and you, the user, makes the computer easy to use without having to understand bits and bytes. Each character can be 16 bits (2 bytes) or 32 bits (4 bytes). All UTFs include the full Unicode character repertoire, or set of characters

An ______ program is the type of program that you use once the operating system has been loaded. Examples include word-processing spreadsheets and databases programs

Examples include word-processing spreadsheets and databases programs

Microsoft Word, Lotus Word Pro, WordPerfect are examples of

Microsoft Excel, Lotus 123 are examples of

Data and database – data comprises information, which may be stored in a computer or on computer storage media such as magnetic disks or CD-ROM.  A database is a structured set of data – for example, a list of clients’ names and addresses, or a list of employees and their details – typically stored in a computer file. Terms

______ – the name of a website, being a unique identifier of that website, for example, www.booksites.net.  Hacker – a computer hacker now means a person who gains access to a computer system without permission, usually by guessing or surreptitiously discovering which passwords will allow him access.  High-level language – a programming language which is relatively remote from the computer’s machine language.  Low-level language – a programming language which is very close to the computer’s machine language.  Machine language – the set of instructions and statements which control the computer directly.

______ – a programming language which is relatively remote from the computer’s machine language.  Low-level language – a programming language which is very close to the computer’s machine language.  Machine language – the set of instructions and statements which control the computer directly.

______ – a programming language which is very close to the computer’s machine language.  Machine language – the set of instructions and statements which control the computer directly.