It is alarming that in 2017, some schools are still reluctant to fully make use of the opportunities provided by information technology. Agreed, quite a number of schools are ICT non-compliant not necessarily because they so desire, but because they lack the resources to do so. Yet, there are schools that could afford it but [...]
Computer Science JSS3 First Term Week 4 Topic: DataBase DATABASE A database is a collection of data organized in a manner that allows access, retrieval and uses of data. In a manual database, it can be recorded on paper and stored in a filing cabinet. While in a computerized database, it is stored in an electronic [...]
Basic Technology,JSS 2 First Term, Week 2 Topic: Information and Communication Technology (ICT) ICT is an acronym that stands for Information and Communication Technology. ICT covers a broad spectrum of activities involving production, processing and distribution of information and knowledge. The basic element of ICT and the determinants of level of access to it are [...]
Computer Science JSS3 Second Term Week 3 Topic: Computer Virus What is a Computer Virus? Computer viruses are small software programs that are designed to spread from one computer to another and to interfere with computer operation. A virus might corrupt or delete data on your computer, use your e-mail program to spread itself to other computers, or [...]
The Memory Unit is the part of the computer that holds data and instructions for processing. Although it is closely associated with the CPU, in actual fact it is separate from it. Memory associated with the CPU is also called primary storage, primary memory, main storage, internal storage and main memory. Types of Memory There [...]
Computer Science JSS3 First Term Week 6 Topic: Computer Professionals COMPUTER PROFESSIONALS Computer professionals are those who deal with the computer industry to develop something. They may design, build, write or sell software. A computer professional is a person who works in the field of information technology. The definition has extended to those involved in the internet industry [...]
The Keyboard and Its Sections Keyboard is a keypad device with keys or buttons that a user presses to input data character or command into a computer. Keyboards emerged from the combination of typewriter and computer-terminal technology. They are one of the fundamental pieces of personal computer (PC) hardware together with the Central Processing Unit [...]
Computer Science JSS3 Second Term Week 4 Topic: Hacking WHO IS A HACKER? In the computer security context, a hacker is someone who seeks and exploits weaknesses in a computer system or computer network. Hackers may be motivated by a multitude of reasons, such as profit, protest, challenge, enjoyment, or to evaluate those weaknesses to assist in removing [...]
Computer Science JSS3 Second Term Week 5 Topic: Hacker's Community WHO ARE HACKERS? Quoting Steele Denning reports that the word hacker has taken on many different meanings ranging from a person who enjoys learning the details of computer systems and how to stretch their capabilities to a malicious or inquisitive meddler who tries to discover information [...]
Computer Science SS2 Second Term Week 3 Topic: Computer Files A computer file is a resource for storing information which is available to a computer program and is usually based on some kind of durable storage. Computer file can be considered as the modern counter part of paper documents which are traditionally kept in offices and libraries. A [...]