External Connectivity

A port is a connector on the motherboard or on a separate adapter that allows a device to connectto the computer. Sometimes a motherboard has ports built directly into the motherboard.Motherboards that have ports built into them are called integrated motherboards. A technicianmust be able to identify these common ports readily to ensure that (1) the correct cable plugsinto the port; and (2) the technician can troubleshoot problems...
Posted by Jimz at 10:39 AM

Tower computer

A computer usually has a device to store software applications and files. Two examples of storage devices are the floppy drive and the hard drive. A slot in the front of the computer easily identifies the floppy drive. The floppy drive allows data storage to floppy disks (sometimes called diskettes or disks) that can be used in other computers. Floppy disks store less information than hard drives. The hard drive, sometimes called...
Posted by Jimz at 9:56 AM

Basic Computer Parts

Computer systems include hardware, software, and firmware. Hardware is something you cantouch and feel—the physical computer and the parts inside the computer are examples of hardware.The monitor, keyboard, and mouse are hardware components. Software interacts withthe hardware. Windows, Linux, OS X, Microsoft Office, Solitaire, Google Chrome, Adobe AcrobatReader, and WordPerfect are examples of software.Without software that...
Posted by Jimz at 2:49 AM

What is Motherboard?

In personal computers, a motherboard is the central printed circuit board (PCB) in many modern computers and holds many of the crucial components of the system, providing connectors for other peripherals. The motherboard is sometimes alternatively known as the mainboard,system board, or, on Apple computers, the logic board.[1] It is also sometimes casually shortened ...
Posted by Jimz at 2:44 AM

Typing Lessons

Welcome to Lesson 1! First, a little orientation: at the top of every lesson you'll see a diagram of the keyboard that highlights in yellow the keys you will be working on. In subsequent lessons the keys you have already learned will be coloured green. It is vital that you will have mastered those keys before moving onto a new lesson. Mastery, for purposes of this course means that you can confidently and consistently...
Posted by Jimz at 2:43 AM

What is DOS Operating System

DOS, short for "Disk Operating System",[1] is an acronym for several closely relatedoperating systems that dominated the IBM PC compatible market between 1981 and 1995, or until about 2000 if one includes the partially DOS-based Microsoft Windows versions 95,98, and Millennium Edition.Related systems include MS-DOS, PC-DOS, DR-DOS, FreeDOS, PTS-DOS, ROM-DOS,...
Posted by Jimz at 2:41 AM

Computer History

    Responding to the question of who invented the computer is almost impossible to do. Rather than produce a single moment in the history, development of computer technology has occurred over time. The advent of the computer as a necessary tool in today's society has taken place over many years with contributions from a number of different people. The first computing device known as the abacus, and used the Babylonians...
Posted by Jimz at 2:40 AM

What is a Computer?

A Computer is an electronic device that manipulates information,or "data." It has the ability to store, retrieve, and process data. You can use a computer to type documents, send email, and surf the internet. You can also use it to handle spreadsheets, accounting, database management, presentations, games, and mor...
Posted by Jimz at 2:37 AM
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