Hardware: System Unit & Peripherals   Hardware represents the physical and tangible components of a computer, i.e. the components that can be seen and touched. Examples of Hardware are the following − Input devices − keyboard, mouse, etc. Output devices − printer, monitor, etc. Secondary storage devices − Hard disk, CD, DVD, etc. Internal components − CPU, ….  Read More

              Software   Software is a set of programs, which is designed to perform a well-defined function. A program is a sequence of instructions written to solve a particular problem. There are two types of software − System Software Application Software System Software The system software is a collection ….  Read More

  Characteristics of a Computer with Computer Terminology.     The characteristics of the computer system are as follows − Speed A computer works with much higher speed and accuracy compared to humans while performing mathematical calculations. Computers can process millions (1,000,000) of instructions per second. The time taken by computers for their operations is ….  Read More

  Data and Information Usually, the terms “data” and “information”  are used interchangeably. However, there is a subtle difference between the two. In a nutshell, data can be a number, symbol, character, word, codes, graphs, etc. On the other hand, information is data put into context. Information is utilized by men in some significant way ….  Read More

    How The Computer Processes Data.     What is data? Simply put, data is information. Data can be numbers, strings of characters or images. All data must be entered into the computer for it to be processed. Data can be read out of a file, typed in via the keyboard or scanned in ….  Read More

    A Diagrammatic Representation of Computer System 1.3 History of Computer The computer as we know it today had its beginning with a 19thcentury English mathematics professor named Charles Babbage. He designed the Analytical Engine and it was this design that the basic framework of the computers of today are based on.     ….  Read More

  Lesson 3.Computing devices: Pre computer age to the 19th century.     What is a Computer? A computer is an electronic machine that collects information, stores it, processes it according to user instructions, and then returns the result. A computer may also be described as a programmable electronic device that performs arithmetic and logical ….  Read More

  Discussions Computing Devices II: 20th Century To Date Introduction The rise of computers dates back to ancient times and to the development of mathematics and calculators. Computers began taking shape in the late 1800s and early 1900s. They were once the size of an entire room and required great amounts of money to fund ….  Read More

  Computer Software Part 1.   Software is a set of instructions, data or programs used to operate computers and execute specific tasks. It is the opposite of hardware, which describes the physical aspects of a computer. Software is a generic term used to refer to applications, scripts and programs that run on a device. It can ….  Read More

Computer Software 2: Design and implementation   The software development lifecycle is a framework that project managers use to describe the stages and tasks associated with designing software. The first steps in the design lifecycle are planning the effort and then analyzing the needs of the individuals who will use the software and creating detailed ….  Read More

  Programming Language As we know, to communicate with a person, we need a specific language, similarly to communicate with computers, programmers also need a language is called Programming language. Before learning the programming language, let’s understand what is language? What is Language? Language is a mode of communication that is used to share ideas, opinions ….  Read More

    A fifth-generation programming language (5GL) is any programming language based on problem-solving using constraints given to the program, rather than using an algorithm written by a programmer.  Most constraint-based and logic programming languages and some other declarative languages are fifth-generation languages. By the way……….. Constraint programming (CP) is a paradigm for solving combinatorial problems that draws on a wide range of techniques from artificial intelligence, computer science, and operations research. ….  Read More

    Communication -ICT   Information and Communications Technology (ICT) is the use of computing and telecommunication technologies, systems and tools to facilitate the way information is created, collected, processed, transmitted and stored. It includes computing technologies like servers, laptop computers and software applications, as well as the wired and wireless communication technologies that support telephones, ….  Read More

    ICT Skills, Certifications and Job Opportunities As the world becomes increasingly reliant on digital communication, the job market for ICT professionals continues to expand. Individuals with the right skills and qualifications can look forward to a dynamic and rewarding career in this ever-evolving field. To succeed in this industry, candidates must possess a ….  Read More

    Information System and Satellite Communications   What is an information system? An information system (IS) is an interconnected set of components used to collect, store, process and transmit data and digital information. At its core, it is a collection of hardware, software, data, people and processes that work together to transform raw data ….  Read More