Computer Basics 2014 Microsoft Corporation. All Rights Reserved Table of Contents



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The role of memory

When a computer performs a task, it stores data in its memory. Computer data is represented by 0's and 1's. Each 0 or 1 is a bit.


The role of memory can be accessed online at http://www.microsoft.com/digitalliteracy

Knowledge check



What is the smallest unit of memory?



  • Byte








What is the basic unit of computer memory?



  • Byte

  • Bit

  • Megabyte

  • Gigabyte






Answers –

#1 – A bit is the smallest unit of memory.

#2 – A byte, or 8 bits, is the basic measuring unit of computer memory.


Computer performance

There are a number of factors that affect your computer's performance.


Computer Performance can be accessed online at http://www.microsoft.com/digitalliteracy


Knowledge check



What determines the speed at which your computer performs tasks?



  • RAM

  • CPU

  • Hard Disk

  • Video Card









Hard Disks have no effect on computer speed.



  • True

  • False






Answer –

#1 – The CPU determines the speed at which tasks are performed.

#2 – False. Although hard drives do not affect the speed at which all tasks are performed, faster hard drives process data faster.


Productivity programs

There is software for just about every task or project you do in that requires writing, organizing, record keeping or creating images.




Word processing

Word processing programs are used to create and edit text documents. The come with built-in features that spell check and format your writings any way you choose. Some are extremely specialized such as software that aids with screen writing. Others are made to create high-end professional looking documents that combine text and graphics to produce such things as brochures or magazines.


Note taking

Note taking programs allow an easy way to take, collect and organize notes, recordings and other data. You can then store that information for quick reference in one convenient location.


Presentations

With a presentation program you can create slideshows and business proposals that are professional looking and easily edited or modified. You can even add audio/visual elements to make your presentations even better.


Spreadsheets

A spreadsheet program is used to manage charts and graphs. You can organize budgets, streamline complex calculations and manage data tables. Spreadsheets use cells in vertical and horizontal rows to custom create any chart you need.


Databases

A database is used to organize and store data in a searchable and manageable format. You can create data reports that can track sales, customer information and inventory.


Graphics

Graphics programs help you create pictures and drawings. The software allows you to edit what you draw or enhance photographs. These programs often offer digital art tools such as custom color options and various built-in pencils, paintbrushes and pen types.



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