acis notes for test 2

Acis notes for test - Click to edit Master subtitle style Chapter 4 Software& Hardware Today’s Objectives&#2 Know the three types of

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Unformatted text preview: Click to edit Master subtitle style 9/1/10 Chapter 4 Software & Hardware 9/1/10 Today’s Objectives  Know the three types of software and examples of each.  Understand how ASCII is used to represent characters.  Know terminology necessary to be an intelligent consumer of hardware products. 9/1/10 Types of Software  Application Software › Office › Browser › Email › Games › Peachtree  System Software › Operating System › Programming Languages › CASE Tools  Firmware 9/1/10 Types of Operating Systems  Single-user › Windows Vista (Microsoft) › Leopard (Apple) › Linux (open source)  Multi-user › Windows Server › VMS › Unix 9/1/10 Benefit of Operating Systems  Allocates the limited capacity of the system to the greatest good of all the users and applications  Gives you a way to make changes to how the device works › serve a variety of purposes › interact with users in more complicated ways 9/1/10 Self Check Question  Programming languages are an example of: A. application software B. system software C. firmware 9/1/10 Digital vs. Analog 9/1/10 Different Character Sets  Characters › Human 0 thru 9, A-Z, symbols › Computer 0 and 1 (Binary)  Character Representation › ASCII › Extended ASCII › EBCDIC 9/1/10 Extended ASCII – Capital Letters S 01010011 T 01010100 U 01010101 V 01010110 W 01010111 X 01011000 Y 01011001 Z 01011010 J 01001010 K 01001011 L 01001100 M 01001101 N 01001110 O 01001111 P 01010000 Q 01010001 R 01010010 A 01000001 B 01000010 C 01000011 D 01000100 E 01000101 F 01000110 G 01000111 H 01001000 I 01001001 I T = 01001001 01010100 9/1/10 Extended ASCII – Lowercase Letters s 01110011 t 01110100 u 01110101 v 01110110 w 01110111 x 01111000 y 01111001 z 01111010 j 01101010 k 01101011 l 01101100 m 01101101 n 01101110 o 01101111 p 01110000 q 01110001 r 01110010 a 01100001 b 01100010 c 01100011 d 01100100 e 01100101 f 01100110 g 01100111 h 01101000 i 01101001 i t = 01101001 01110100 9/1/10 Self Check Question  To your computer, is the word it equivalent to the word IT? A. Yes B. No IT = 01 0100101 10100 9/1/10 Extended ASCII - Numerals 00110000 1 00110001 2 00110010 3 00110011 4 00110100 5 00110101 6 00110110 7 00110111 8 00111000 Numeral 13 (text) = 00110001 00110011 Binary Number System Placeholders 8 4 2 1 1 1 2 1 3 1 1 4 1 13 1 1 1 9/1/10 Self Check Question  Some applications, like MS Excel and...
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This note was uploaded on 08/31/2010 for the course ACIS 1504 taught by Professor Jmlacoste during the Spring '07 term at Virginia Tech.

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Acis notes for test - Click to edit Master subtitle style Chapter 4 Software& Hardware Today’s Objectives&#2 Know the three types of

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