Computer Science Welcome to the Computer Science Education keypoint page. Use the titles below to browse around. Search for: COMPUTERS AND THE INFORMATION AGE Definition of Information Information Age Characteristics of the ancient Age Characteristics of the New / Information Age Modern Means of Transmitting Information Non-electronic Media Methods of Recording Information Processing of Data Why computer is best used for Recording and Processing Types and uses of Information Definition of Data Primary data Secondary data Ways of processing data Advantages of data processing Advantages / Usefulness of Computer studies in secondary schools Definition of Information System Characteristics of Good Information Information Technology Cybernetic Control Application of information in information system Social Effects of Computer What is a Computer The Basic Elements of Computer The Basic Organization of Modern Computer Basic Units of a Computer The Input Unit The output Unit The Storage Unit The Central Processing Unit (CPU) Functions of the subunits of the CPU Classification of Computers Classification by Purpose Classification by type Classification by size Computers Operating Modes The Origin of Computer Generations of Computer Features of 2nd Generation Computers Features of 3rd Generation Computers Features of 4th Generation Computers Features of 5th Generation Computers The Computer Hardware KEYBOARD THE MOUSE SCANNERS JOYSTICK LIGHTPEN Voice Input (Voice Recognition terminal) MKR (Magnetic Ink character Recognition) OCR (Optical character Readers) The Output Devices The monitor (Visual display unit) The Printers SPEAKERS The Software Types System Software The Operating System Functions/ Advantages of Operating System Disadvantages of operating system Types of Operating Systems The Utility Software Language Translators Types of translators Application Software The People ware The System Unit The System Unit Casing PC Motherboard The CPU (Microprocessor) The PC’S Memory Random Access Memory (RAM) Read-Only Memory (ROM) Expansion Slots Ports and Drive Connectors Drive Connectors Complementary Metal Oxide Semiconductor Battery (CMOS, Battery) Information Storage Types of Flies Types of Storage Temporary Storage Permanent Storage Storage Devices Features of the storage devices Information Data Data Processing Major Steps in Data Processing Ensuring error-free information Computer System Environment Computer Maintenance Types of Maintenance Stages in preventive maintenance Forms of Computer maintenance Tools used for maintenance Data Security Functions of data security control Factors determining the security of data Data Loss Causes of data loss Prevention of data loss Protections Computer Program Algorithms Steps to take when writing a complete program Pseudocode Flowchart Differences between flowchart and Algorithms Types of Flowchart Flowchart Symbols BASIC PROGRAMMING LANGUAGE Advantages of BASIC programme language VERSIONS OF BASIC Microsoft Basic Character Set Modes of Basic operations Rules for entering a BASIC program BASIC keywords (Reserved words) KEYWORD OPERATIONS BASIC VARIABLES Type Declaration characters BASIC Constants STATEMENTS Expression and Operators Arithmetic Operations Relational Operators Log Operators Functional Operators The keywords Computer Virus Sources of Computer Virus Reasons for Computer Virus Detecting a Computer Virus Symptoms of Computer Virus General Remedies of virus Type of Computer Virus Prevention of Virus Infections ANTIVIRUS Features of antivirus program Decimal(base 10) number system Binary System The Octal System The Hexadecimal Number System Logic Gates Truth Table Truth Value BOOLEAN ALGEBRA Laws of Boolean algebra BASIC RULES OF BOOLEAN ALGEBRA Meaning of Internet E-mail (Electronic mail) Voice Mail Electronic banking and electronic fund transfer Teleconferencing Computer Networking Word processing Advantages of word processing are: Microsoft Word (MS-Word) Typing Printing Documents Searching for a text Formatting the documents Setting tabs Formatting Pages Setting margins Inserting Comments and Word Art Objects To insert the word art in your document Headers and Footers Computer Professionals Organizational line of Communication Horizontal flow of Communication Diagonal flow of communication Vertical flow of communication Data Processing Department Functions of Data Processing manager Functions of System Analyst Functions of Programmer Functions of Operation staff Functions of Computer Operator Data Security Protection Means of restricting access to files COMPUTER GRAPHICS SOFTWARE Computer graphic output devices Types of Graphic Software Starting CorelDraw 9.0 The CorelDraw 8 view Toolbox What is networking Network Components Telecommunication networks Network Topology Classification of Network based on the proximity Application area of computer Computer and the society Social implication of computer
