JSS 3 Computer Notes

Junior Secondary School (JSS) three Lesson Notes in computer studies/ICT have been prepared on the following topics below.

Digital Divide

Digital divide refers to the gap between people with effective access to digital and information technology and those with very limited or no access at all.
Digital Divide, or digital split, is a social issue referring to the differing amount of information between those who have access to the Internet and those who do not have access.
The term became popular among concerned parties, such as scholars, policymakers, and advocacy groups, in the late 1990s...

Database

Definition of Database
1. A database is a collection of data organized in a manner that allows access, retrieval and use of data.
2. A database is a collection of information that is organized so that it can easily be accessed, managed, and updated.
3. A database is an organized collection of data...

Spreadsheet

1. A spreadsheet is an application software that tracks, analyzes, and charts numeric information.
2. A spreadsheet is an interactive computer application program for the organization, analysis and storage of data in tabular form
3. A spreadsheet is a computer program or software which allows calculations to be carried out on several cells that have numbers...

Computer Careers Opportunities

Computer professionals are individuals that have obtained sufficient education and training in the field of computers and earn their livelihood from their chosen profession...

Computer Viruses

1. A computer virus is a small software program that interferes with computer operation and spreads from one computer to another.
2. A virus is a self-replicating program that copies itself and that can infect other programs by modifying them or their environment such that a call to an infected program implies a call to a virus...

Internet Search Engines

Internet Search engines are websites or software that enable a person to find documents or other media on the internet.

It can also be defined as software programs that help users find information stored on a personal computer or a network of computers such as the internet. The information may consist of images, files, web addresses or links etc...