the computer and its components

1 1 Introduction Whats a computer? 􀂄 An electronic device: Gets Input Processes the Input Output 􀂄 ensample: You sign an MS_Word catalogue (Input) You click on the Print push (Process) The document is printed. (Output) 􀂄 Why Use a reckoner? Time verity Reliability 2 computing machine body structure 􀂄 NB: The unalike components will be treated in bulky particular proposition in next chapters. Computer Application software organisation of rules software Input Devices The establishment Unit Output Devices secondhand Storage MS_Word MS_Excel Pascal .. run System (DOS, UNIX..) BIOS . Hardware software package 2 3 The Relationship among the User and Computer Components 􀂄 4 3 􀂄 􀂄 2 1 􀂄 manikin: To manage the junior-grade Storage (e.g The Floppy discus), you ordinarily use Windows adventurer: An application software 􀀨 Relation_1 Hardwa re Application Software System Software User 4 The Relationship among the User & Computer Components (Cont.) 􀂄 W_Explorer will communicate with the appropriate System Software (MS_DOS) 􀀨 Relation_3 􀂄 In its turn, The System Software (MS_DOS) communicates with the Hardware and carry out the substance abuser requests.

􀀨 Relation_4 Relations(3 & 4) go behind the scenes The user does not notice any(prenominal) thing. 3 5 MS_DOS MicroSoft Disk Operating System 􀂄 Actually, you hobo communicate directly with the system software (e.g MS_DOS), This fundamental interaction is a Re lation_2 one. 􀂄 => MS_DOS commands! 􀂄 Commands that instruct the computer to perform certain duty operations (e.g: Creating new directories, copying files ) 6 The MS_DOS Tree Structure of Directories Drives Directories / Folders Files 4 7 MS_DOS Some Tips 􀂄 legitimate Drive 􀂄 stock 􀂄 MD / Edit 􀂄 CD 􀂄 Dir 􀂄 Copy / Move 􀂄 RD / cut MS_DOS is to be...If you want to get a enough essay, order it on our website: BestEssayCheap.com

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