COMPUTER (2ND MONTHLY EXAM)

It is typically used in businesses and at home to communicate on computer networks, for word processing, to track finances, and for entertainment.

It exist in a wide range of sizes and power. The smallest are embedded within the circuitry of appliances, such as televisions and wristwatches.

It is similar to personal computers but have greater memory and more extensive mathematical abilities, and they are connected to other workstations or personal computers to exchange data.

Its have more memory, speed, and capabilities than workstations and are usually shared by multiple users through a series of interconnected computers.

It stores itself at the start of a disk and becomes activated by reading, starting or restarting the computer when that disk is in the boot drive.

It attaches itself to program files i.e. files that give instructions to a computer. These files usually have extensions like exe, com, or bat. When the program is run, the virus executes.

It affects data files, especially Word documents and Excel workbooks. This virus type accounts for the vast majority of infected files.

It is not really a virus at all but a chain letter phenomenon sent through email.

It can help prevent computer crimes, such as protecting computer screens from observation, keeping printed information and computers in locked facilities, backing up copies of data files and software, and clearing desktops of sensitive information and materials.

It is a copies of software and data and having ______ computer and communication capabilities are important basic safeguards because the data can then be restored if it was altered or destroyed by a computer crime or accident.