Lesson Notes, Audio Lessons, Exam Questions
Lesson Notes, Audio Lessons, Exam Questions
These comprehensive SS 1 Data Processing Notes cover the entire syllabus for all three terms (1st, 2nd, and 3rd term) based on the WAEC and NECO curriculum.
The notes are structured to help students easily understand key concepts and practice them efficiently.
Access our well-explained SS 1 Data Processing notes for all three terms. Well-organized and aligned with the WAEC and NECO syllabus for easy reference and learning.
INPUT DATA After the field names and their data types have been specified, records are stored in the database by specifying the appropriate input. In MS Access, to input data: Double-click on the Student Table at the left-hand pane of…
Database packages are used to design a database in a computer. Example of a common database package is Microsoft Access. MS Access is a Relational Database Management System used to create and modify databases. USING MS- ACCESS FOR DATABASE To…
Database is an application that is used to store information in a structured way. It is a collection of records or data in an organized form. A database management system is a collection of computer software that enables users to…
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…
EXAMPLES OF SPREADSHEET Microsoft Excel Google Sheets Apple Numbers LibreOffice Calc OpenOffice Calc Zoho Sheet Lotus 1-2-3 Quattro Pro SuperCalc StarCalc WPS Office Spreadsheets PlanMaker (part of SoftMaker Office) Gnumeric OnlyOffice Spreadsheets Sheetster These software options vary in functionality and…
A spreadsheet is a collection of cells organized into rows and columns where data is stored and manipulated. The spreadsheet is known as a worksheet. A spreadsheet begins with row number one and column A. A cell is a space…
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…
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…
Word processing is the phrase used to describe using a computer to create, edit and print documents. It is also the creation, input, editing and production of a document with a computerized device. A word processing package enables you to…
An operating system is a group of computer programs that coordinates all the activities among computer hardware devices. It is the first program loaded into the computer by a boot program and remains in memory at all times. Functions of…
Definition: An operating system is a collection of programs that control the application software that users run and provides a link between the hardware and software currently running on the computer. The operating system is also responsible for the management…
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. The operating system is a component of the system software in a computer system. Application programs usually require an…
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…
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…
A chart, also called a graph, is a graphical representation of data, in which “the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart”. A chart…
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…
Data are raw, unorganized or unprocessed facts that need to be processed. Data can be something simple and seemingly random and useless until it is organised. TYPES OF DATA Qualitative data i.e descriptive information Quantitative data i.e numeric information …
ICT has turned this world to a global village. Apart from communication, that is, reaching people both far and near; it has also made the work easier and better. Better productivity, salaries, health care and even farming and education. SECTORS…
COMPONENTS OF A COMPUTER SYSTEM A computer system consists of three main parts otherwise called components. They are : Hardware Software People ware HARDWARE COMPONENT The computer hardware could be defined as the physical parts of the computer that…
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…