Microprocessor Lecture 2 February 22‚ 2013 2/23/2013 2 Microprocessor based System • A Microprocessor-based systems consists of central processing unit (CPU)‚ memories‚ I/O Devices and other peripherals. • CPU takes input from I/O devices such as keyboards CPU processes data in internal registers CPU sends output to I/O devices such as monitors‚ speakers Microprocessor (CPU) stores data and code in Memory Address Bus Microprocessor based System • There are three main components of microprocessor
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Lenovo User Guide Read the safety notices and important tips in the included manuals before using your computer. Notes • Before using the product‚ be sure to read Lenovo Safety and General Information Guide first. • Some instructions in this guide may assume that you are using Windows® 7 or Windows® 8.1. If you are using other Windows operating systems‚ some operations may be slightly different. If you are using other operating systems‚ some operations may not apply to you. • The
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UNIT III – Introduction to VISUAL BASIC LESSON 1 The VB Development Environment Visual Basic A high level programming language It is created by Microsoft Uses a graphical environment called the Integrated Development Environment (IDE) It is capable of developing Windows-based applications and games An Event-driven language A Visual Basic program is made up of many subprograms‚ each with its own codes that can run independently‚ and at the same time‚ can be linked together COMMONLY USED TERMS There
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Abstract The main aim of this study was to obtain an understanding of ergonomics and the changing nature of work and environment. Aims‚ objectives and key questions Aim To understand the use of ergonomics and how the nature of work is changing with the changing times. Objectives 1 To understand what ergonomics means and its application. 2 To understand why ergonomics is ignored in India 3 To better understand the changing nature of work Key questions What is ergonomics and why is it
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Introduction: Computer Generations History of development of computers down the years is referred as Computer Generations. A generation refers to research and development done to improve the performance of computers. It also refers to the new technical breakthroughs and advancements in computers. A generation has significantly decreased the size of computers and increased the performance. With the increase in speed‚ power and memory and decrease in size‚ each generation has brought down the cost
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etc) Parallel Ports – 25 pin connectors (printers) Game Ports – 15 pin (joysticks‚ etc) PS/2 Ports – keyboards‚ mice Network Identification Card (NIC) – RJ-45 (connects to network) Modem – RJ-11 (phoneline connection to BBS‚ internet‚ etc) Video Connectors – Video Graphics Adapter (VGA)‚ Digital Video Interface (DVI)‚ and S-Video (TV connection) Universal Serial Bus (USB) – 1.1 and 2.0 (mice‚ keyboards‚ iPods‚ external hard drives‚ etc) Small Computer System Interface (SCSI) – Narrow and Wide (high
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first thing that is vital in this… find your computer. I know! You have to get up‚ use those long things on the end of your body made for walking‚ and look. No… that’s the telly. We are looking for something that looks like a smaller telly with a keyboard and a mouse. No‚ no‚ no! Not a real mouse! Now get down from your sofa and look for a screen. Yes‚ that’s it! Gosh‚ if it takes you this long to find your computer this is going to be a long day. Congratulations! Now‚ as you are looking at the computer
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Contents Features of word processor 1 What is Word? 2 Create a new document 2 Open a Document 2 Save a Document 2 Read documents 2 Features of word processor Word processors provide a variety of features to make entering‚ editing and formatting documents easy. One of the most basic features for entering text is word wrap. This feature automatically moves the insertion point to the next line once the current line is full. As you type‚ the words wrap around to the next line. There are numerous features
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bios.h biosdisk Header bios.h Prototype int biosdisk(int cmd‚ int drive‚ int head‚ int track‚ int sector‚ int nsects‚ void *buffer); Description biosdisk accesses interrupt 0x13 for BIOS disk operations on the drive specified by the drive argument. For floppy drives‚ 0 identifies the first drive‚ 1 is for the second drive‚ and so forth. This function is not available under DOSX. cmd specifies the disk operation to perform. head‚ track‚ sector‚ nsects‚ and buffer provide further information
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Attached at the base of the tablet is the touch cover which is optional if you decide to purchase the tablet. It is used like your standard laptop keyboard with the exception that there are no buttons; you just touch the perceived letter and it registers on the screen. There is also an optional type cover which is a thinner version of your standard keyboard. Towards the bottom of the cover is a track pad used like what you would on a laptop.You will also notice there is something supporting this contraption
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