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acis notes for test 2

acis notes for test 2 - Chapter4 Software&Hardware...

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Click to edit Master subtitle style  9/1/10 Chapter 4  Software & Hardware
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 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.
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 9/1/10 Types of Software Application Software Office Browser Email Games Peachtree System Software Operating System Programming Languages CASE Tools Firmware
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 9/1/10 Types of Operating Systems Single-user Windows Vista (Microsoft) Leopard (Apple) Linux (open source) Multi-user Windows Server VMS Unix
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 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 
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 9/1/10 Self Check Question Programming languages are an example of: A. application software B. system software C. firmware
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 9/1/10 Digital vs. Analog
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 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
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 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
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 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
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 9/1/10 Self Check Question To your computer, is the word it equivalent  to the word IT? A. Yes B. No IT = 01 0 0100101 0 10100
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 9/1/10 Extended ASCII - Numerals 0 00110000 1 00110001 2 00110010 3 00110011 4 00110100 5 00110101 6 00110110 7 00110111 8 00111000 9 00111001 Numeral 13 (text) = 00110001 00110011
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Binary Number System Placeholders 8 4 2 1 1 0 0 0 1 2 0 0 1 0 3 0 0 1 1 4 0 1 0 0 13 1 1 0 1
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 9/1/10 Self Check Question Some applications, like MS Excel and  Access, give you the option of specifying  what type of data you are storing; for  example text or numeric.  To your computer,  is 13 stored as a number equivalent to 13  stored as text?
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