SS 1 Data Processing (1st, 2nd & 3rd Term)

Microsoft Excel: Loading, Creating, Entering Data & Saving

LOADING EXCEL APPLICATION Click on all programs, check the programs and click on the Microsoft suites then click on the excel application.  CREATING EXCEL DOCUMENT Once Excel is open, you can enter data into a file by clicking on a particular cell, then typing text, numbers, or formulas. Your changes will be entered into the

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Spreadsheet: Examples, Microsoft Excel & Formulas in MS Excel

EXAMPLES OF SPREADSHEET There are various types of spreadsheet software which include: Microsoft excel Lotus 1-2-3, Starview, Supercal etc.   MICROSOFT-EXCEL Out of the many examples of spreadsheet packages, Microsoft excel is the most commonly used because of its friendly features. Microsoft excel is part of Microsoft suite. The suite comes in various version such

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Microsoft Word Documents: Creating, Saving & Opening of Documents

CREATING A WORD DOCUMENT Click on the start icon to display the start icon to display the start menu and then click on the Microsoft word icon. The program gives you an empty one to type. HOW TO SAVE A DOCUMENT Start a new document in word and type your text. Click file in the

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Examples of Word Processor

A word processor is a computer software application that performs the task of creation and printing of electronic documents. There are several types of word processors; they include Word Perfect, Word Star, MS-Word, Loco Script, Ami-Pro, Word Craft, and WordPad etc. Microsoft Word: it is part of the Microsoft office suite. Word consistently wins the

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MEANS OF TRANSMITTING INFORMATION

There are various means of transmitting information, and the choice of method often depends on the nature of the information, the distance it needs to travel, and the desired speed and reliability of transmission. Here are some common means of transmitting information: 1. Wired Communication: This involves the use of physical cables or wires to

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Information processing – Full Explanation

Information processing is the acquisition, recording, organization, retrieval, display and dissemination of information. Information processing could also be referred to as the manipulation of digitalized information by computers and other digital electronic equipment, known collectively as Information technology. A computer information processor processes information to produce understandable results. For example, an information processor works to

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CLASSIFICATION OF COMPUTER BY TYPES

DIGITAL COMPUTER This is the most common type of computer today. It measures physical quantities by counting. Examples are calculator, digital wrist watches, digital fuel dispenser etc.   ANALOGUE COMPUTER This type of computer is used to measure and process continuous data such as speed, temperature, heartbeat etc. Examples are speedometer, thermometer etc.   HYBRID

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DIGITALIZATION OF DATA

Digitalization is the process of converting information into digital format. This information may represent an object, image, sound, document or a signal (usually an analog signal) organized into discrete set of its points or samples. This is the binary data that computers and many devices with computing capacity (such as digital camera and digital hearing

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COMPUTER SAFETY MEASURES

Anti-virus software is your computer’s best defence against malware (e.g., viruses, Trojan horses, worms, spyware) – install and update anti-virus software on your computer and regularly scan your computer to make sure it is free from malware. Computer safety measures are essential to protect your digital data and ensure a secure computing environment. Here are

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CLASSIFICATION OF COMPUTERS BY SIZE

SUPER COMPUTER These are the largest, fastest and most expensive computers. The cost is several millions of dollars and the speed is between 600 million to 900 million instructions per second (MIP). Another name for super computer is MONSTER. Scientists in weather forecasting, exploration make use of super computers. It can also be used for

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HISTORY OF COMPUTERS

Consider the table below: Generations Of computers Year of development The Technology Used Characteristics Software Instruction Storage Capacity First 1951-1958     Vacuum tube Very big and slow in operation Machine language Small internal storage Second 1959-1964 Transistor Less heat generation High level & Assembly Core storage Third 1965-1975 100-1000 Chips Introduction of integrated circuit

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