JAMB Computer Science Past Questions & Answers - Page 4

A digital computer is a type of computer that operates on digital data, which is represented in binary form (0 and 1). These computers perform calculations using binary digits and can process both numerical and non-numerical data

In computing, when new information replaces old information or data, it is referred to as 'overwrite'. This is because the new data is written over the old data, effectively replacing it. Therefore, the correct answer is 'overwrite

COBOL (Common Business-Oriented Language) is the most suitable for business data processing. It was specifically designed for business data processing needs such as arithmetic operations, file handling, and record management. BASIC and FORTRAN are more suited for educational and scientific computations respectively, while ALGOL is more for algorithmic representation

The process where a programmer converts a program specifications into computer instructions is called Coding. Testing is the process of checking the functionality of the program, System design is the process of defining the architecture, components, modules, interfaces, and data for a system to satisfy specified requirements, and Debugging is the process of finding and resolving defects or problems within a computer program

The diagrammatic representation of an algorithm is a flowchart. A flowchart is a type of diagram that represents an algorithm, workflow or process, showing the steps as boxes of various kinds, and their order by connecting them with arrows