Computer Science Questions and Answers

A computer that sits between different networks or applications. The gateway converts information, data or other communications from one protocol or format to another

mainframe computers are large and powerful computers that handle the processing for many users simultaneously

The first generation computer systems used vacuum tubes for circuitry and magnetic drums for main memory, and they were often enormous, taking up entire rooms

In technical feasibility, the priority is to check whether the problem can be solved using existing technology and resources available

Microsoft Excel is an application package that is specifically designed for creating spreadsheets. It provides features for creating, editing, and managing data in a tabular format

Operating systems can be categorized into two types based on their user interface: Command Line Interface (CLI) and Graphical User Interface (GUI). CLI requires users to type commands to interact with the system, while GUI uses visual elements like icons, windows, and buttons for interaction

Internal modems are PCI or ISA expansion cards, they tend to be simple to install while external modems are traditionally plug into a serial port on the computer

Napier's bones is a manually-operated calculating device created by John Napier of Merchiston for calculation of products and quotients of numbers. The method was based on the ancient mathematical principle known as the Arabic lattice, or gelosia multiplication

soft or warm reboot involves restarting a computer under software control without triggering the hardware based reset

EDVAC (Electronic Discrete Variable Automatic Computer) was produced using the 'stored program' concept. This concept is a design architecture for computers where the instructions to be executed by the computer are stored in the same memory that holds the data. 'Circuit switching', 'packet routing', and 'packet switching' are concepts related to network communication, not computer design