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Technical Guide 1 & 2 Hardware and Software Technical Guide 1 & 2 Hardware and Software

How do companies decide what to buy? 2 How do companies decide what to buy? 2

How do you decide what to buy? 3 How do you decide what to buy? 3

TG 1. 3 Computer Hierarchy Supercomputers Mainframe Computers Midrange Computers TG 1. 3 Computer Hierarchy Supercomputers Mainframe Computers Midrange Computers

TG 1. 3 Computer Hierarchy Microcomputers TG 1. 3 Computer Hierarchy Microcomputers

Hardware n What does hardware mean to you? 6 Hardware n What does hardware mean to you? 6

Hardware Consists of …. • Central Processing Unit • Primary Storage • Secondary Storage Hardware Consists of …. • Central Processing Unit • Primary Storage • Secondary Storage • Communication Technologies • Input and Output Technologies 7

What technology do you need? • Tablets vs. Laptops • • • Tablet Comparisons What technology do you need? • Tablets vs. Laptops • • • Tablet Comparisons Laptop Comparison Things to consider • • Purpose Central Processing Unit Primary Storage Secondary Storage 8

How computers processes information CPU & Storage Input & Output 9 How computers processes information CPU & Storage Input & Output 9

How computers processes information Primary Memory Central Processing Unit Secondary Memory Example 10 How computers processes information Primary Memory Central Processing Unit Secondary Memory Example 10

CPU (Central Processing Unit) n Designed to perform the actual computation or “number crunching” CPU (Central Processing Unit) n Designed to perform the actual computation or “number crunching” inside the computer. n 32 vs. 64 bit processing n Choosing the right processor 11

Memory - Where do we store information? n 3. 1 Primary Storage – handles Memory - Where do we store information? n 3. 1 Primary Storage – handles small amounts of information to be used immediately by the CPU (internal) n 3. 2 Secondary Storage – stores larger amounts for extended periods of time (can be both internal or external) 12

Memory Capacity In this picture: n Bit 01001000 n Byte represents the letter H Memory Capacity In this picture: n Bit 01001000 n Byte represents the letter H Letter “H” = 8 bits = 1 byte Kilobyte (KB) ~1, 000 bytes Megabyte (MB) ~1, 000 bytes Gigabyte (GB) ~1, 000, 000 bytes Terabyte (TB) ~1, 000, 000 bytes Petabyte (PB) ~ 1, 000 TB Exabyte (EB) ~ 1, 000 PB Zettabyte ~ 1, 000 EB

Primary Storage Register Cache How much RAM? ROM 14 Primary Storage Register Cache How much RAM? ROM 14

Why the CPU and RAM is important? 15 Why the CPU and RAM is important? 15

Secondary Storage Optical Storage (CD – 700 MB, DVD – 4. 7 GB) Flash Secondary Storage Optical Storage (CD – 700 MB, DVD – 4. 7 GB) Flash memory devices and thumb drives (GBs) External Hard Drives (TBs) 16

Input and Output Technologies 4. 1 Input Technologies • Human Data-Entry • Source-Data Automation Input and Output Technologies 4. 1 Input Technologies • Human Data-Entry • Source-Data Automation 4. 2 Output Technologies • Monitors • Printers 17

Input Technologies – Human Input technologies then…. The “original” mouse One of the first Input Technologies – Human Input technologies then…. The “original” mouse One of the first apple computers A punch card for mainframe processing 18

Input Technologies – Human Input technologies now…. 19 Input Technologies – Human Input technologies now…. 19

Input Technologies – Human Input technologies to come…. Microsoft Surface Computing offers a new Input Technologies – Human Input technologies to come…. Microsoft Surface Computing offers a new interface for users Microsoft multi-touch screen Gesture Sensing 20

Output Technologies LG High Definition Monitors E-Readers Laser Printers i. Pad 21 Output Technologies LG High Definition Monitors E-Readers Laser Printers i. Pad 21

How do companies decide what to buy? : Strategic Hardware Issues n What do How do companies decide what to buy? : Strategic Hardware Issues n What do organizations need to consider when thinking about hardware? • How do they keep pace with advancements? • • How often should they upgrade? Will upgrading increase productivity? • How do we assess this increase in productivity? 22

How do companies decide what to buy? : Strategic Hardware Issues n Additional Organization How do companies decide what to buy? : Strategic Hardware Issues n Additional Organization considerations: n How are organizations structured? • • • What are the needs of the organization? Do employees telecommute? What type of devices are needed? Will they work within the current environment of hardware being used within the organization? 23

TG 2. 1 Introduction to Software Computer program Stored program concept Documentation © Karsten TG 2. 1 Introduction to Software Computer program Stored program concept Documentation © Karsten Ehlers/Age Fotostock America, Inc.

Software Issues Software Defects Software Licensing Open Systems Open Source Software © Karsten Ehlers/Age Software Issues Software Defects Software Licensing Open Systems Open Source Software © Karsten Ehlers/Age Fotostock America, Inc.

Types of Software System software Application software Types of Software System software Application software

TG 2. 3 Systems Software Operating Systems TG 2. 3 Systems Software Operating Systems

Functions of the Operating System Graphical User Interface Social Interface Enhanced interfaces • Google Functions of the Operating System Graphical User Interface Social Interface Enhanced interfaces • Google Glass • Meta Space. Glasses

Class Exercise You are responsible for setting up a new lab in the CIS Class Exercise You are responsible for setting up a new lab in the CIS Building. There will be a need for 30 devices accessing the network including at least 5 of these needing to be mobile. This lab will be used to teach MIS 213 and a programming class (VB. Net). What hardware/software would you suggest to accomplish the needs above? 29

Class Exercise Steps: 1. Determine how you will use the computers? 2. Choose computer Class Exercise Steps: 1. Determine how you will use the computers? 2. Choose computer software 3. Choose computer hardware 4. Protect you computer system 30