introduction to computer systems for health information technology pdf

... of information we wish to store Forexample: Trang 26(a) Suppose we are using an n-bit word to store a nonnegative integer Then the range of numbers thatwe can store will be 0 to 2n− 1, which for ... piece ofinformation must be expressed as a string of bits 1 Trang 20For most computers, it is customary to label individual bits within a bit string from right to left, starting with0 For example, ... mostfamous systems are the American Standard Code for Information Interchange (ASCII) and the ExtendedBinary Coded Decimal Information Code (EBCDIC) ASCII stores each character as the base-2 form of

Ngày tải lên: 19/11/2015, 15:07

... the use consumer health information systems Andre W Kushniruk is Director and Professor in Health Informatics at the School of Health Information Science at the University of Victoria, Canada He ... Trang 2eHealth literacy issues, constructs, models, and methods for health information technology design and evaluation Helen Monkman* School of Health Information Science University of Victoria, ... engage citizens to actually use the health record, including the need to better meet citizen’s information needs regarding information needed to improve their health In response to such trends,

Ngày tải lên: 15/01/2020, 09:01

... individuals to protected health information) and § 164.526 (amendment of protected health information) We encourage covered entities to create forms for individuals to request an accounting that inform ... disclosures for research without an individual’s authorization where access to protected health information is sought solely to review the information as necessary to prepare a research protocol or for ... associates to account for the disclosures of protected health information that we believe are of most interest to individuals The right to an access report would only apply to protected health information

Ngày tải lên: 06/03/2014, 15:20

... Technologies for clarification or assistance Trang 12Introduction to Computer Based Control Systems Introduction to Computer Based Control SystemsIntroduction to Computer Based Control Systems ... Centralized Computer Control • Distributed Computer Control • Hierarchical Computer Control Trang 20Introduction to Computer Based Control Systems Introduction to Computer Based Control Systems1.4.1 ... that the actuator, transmitter or sensor function according to the requirement of the user Trang 16Introduction to Computer Based Control Systems Introduction to Computer Based Control SystemsThe

Ngày tải lên: 05/12/2015, 23:58

... 1CHAPTER 1:Computer Systems The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Trang 2Typical Computer ... informed decisions  Improve communications with information technology professionals  Conduct surveys, determine feasibility and define and document user requirements  Specify computer systems ... Software Trang 13Computer SystemsAll computer systems, no matter how complex, consists of the following:  At least one CPU  Memory to hold programs and data  I/O devices  Long-term storage Trang

Ngày tải lên: 10/01/2018, 16:23

... 2:Number Systems The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Trang 2Why Binary? Early computer ... 10 to Base 210/16 = 0 10 10/8 = 1 2 2/4 = 0 2 2/2 = 1 0 0/1 = 0 0 10 Trang 32From Base 10 to Base 2Trang 33From Base 10 to Base 16Trang 34From Base 10 to Base 16Trang 35From Base 10 to Base ... Base 16Trang 35From Base 10 to Base 16Trang 36From Base 8 to Base 10Trang 37From Base 8 to Base 10Trang 38From Base 16 to Base 2 Hex easier to read and write than binary Trang 39 Number point or

Ngày tải lên: 10/01/2018, 16:23

... 3:Data Formats The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Trang 2represented, stored ... algorithm restores data to exact original form  Examples: GIF, PCX, TIFF  Lossy: trades off data degradation for file size and Trang 43makes dictionary entryTrang 44Internal Computer Data Format ... devices like mice and pens  Editing tools to make tedious bit by bit process easier Trang 21Bitmap Imagesgraphic stored as a binary number location code corresponding to 1 of 16 shades of gray Trang

Ngày tải lên: 10/01/2018, 16:23

... 1CHAPTER 3:Data Formats The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Trang 2computer- Define ... include:  Quality of the image  Storage space required  Time to transmit  Ease of modification  Specifications for graphics file formats  The Graphics File Format Page Trang 18 Clip art generated ...  8-bit number for radio-quality recordings  16-bit number for high-fidelity recordings  2 x 16-bits for stereo Trang 34to communicate with music synthesizers sound cards use to recreate or

Ngày tải lên: 10/01/2018, 16:23

... Trang 1CHAPTER 4:Representing Integer Data The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons ... often used in business applications to maintain decimal rounding and decimal precision Trang 7Simple BCD MultiplicationTrang 9 Use left-most bit for sign  Total range of integers the same  ... 139’s Decimal Complement Necessary to specify number of digits or word size  Example: representation of 3-digit number  Conversion to sign-and-magnitude number for 9’s complement Trang 15Choice

Ngày tải lên: 10/01/2018, 16:23

... of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Trang 2Floating Point Numbers Real numbers  Used in computer ... integremantissa; Float mantissa; //used for normalization Integer floatout; //final form of out put Trang 14Programming Example: Convert Decimal Numbers to Floating Point Format, cont. Function StandardizeNumber( ... 13Programming Example: Convert Decimal Numbers to Floating Point Format Function ConverToFloat(): //variables used: Real decimalin; //decimal number to be converted //components of the output Integer

Ngày tải lên: 10/01/2018, 16:23

... Man Computer The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Trang 2The Little Man ComputerTrang ... Trang 25Execute, cont 3 He walks over to the calculator and punches the number in. 4 He walks over to the location counter and clicks it, which gets him ready to fetch the next instruction. ... the location counter 2 He walks over to the mailbox that corresponds to the location counter Trang 242 He reads the number in that mailbox (he remembers to replace it in case he needs it later).

Ngày tải lên: 10/01/2018, 16:23

... possible to transfer data from one location in the computer system to another  Group of electrical conductors for carrying signals from one location to another  Line: each conductor in the ... given to a computer  Causes electrical signals to be sent through specific circuits for processing  Instruction set  Design defines functions performed by the processor  Differentiates computer ... Trang 1CHAPTER 7:The CPU and Memory The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons

Ngày tải lên: 10/01/2018, 16:23

... Memory: Design, Implementation, and Enhancement The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons ... 4 32-bit atoms (atom = instruction)  Parallel processing of 4 instructions  64 general purpose registers  Code morphing layer  Translates instructions written for other CPUs into molecules ... Complex Instruction Set Computer  RISC – Reduced Instruction Set Computer  CISC vs RISC Comparisons  VLIW – Very Long Instruction Word  EPIC – Explicitly Parallel Instruction Computer Trang 3

Ngày tải lên: 10/01/2018, 16:23

... Trang 1Chapter 9: Input/OutputThe Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons ... Method for transferring data between main memory and a device that bypasses the CPU Trang 9Programmed I/O  I/O data and address registers in CPU  One word transfers  Address information for each ... I/O service from operating system  privileged instructions  To initiate DMA, programmed I/O is used to send the following information: 1 location of data on I/O device 2 the starting location

Ngày tải lên: 10/01/2018, 16:23

... (DRAM) 50 to 100 nanoseconds Expanded Storage (RAM) 75 to 500 nanoseconds Hard Disk Drive 10 to 50 milliseconds 600 to 6,000 KB/sec Floppy Disk 95 milliseconds 100 to 200 KB/sec CD-ROM 100 to 600 ... to move from one track to another  Latency: time required for disk to rotate to beginning of correct sector  Transfer time: time required to transfer a block of data to the disk controller ... Trang 1Chapter 10Computer Peripherals The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander

Ngày tải lên: 10/01/2018, 16:23

... Trang 1Chapter 11Modern Computer Systems, Clusters, and Networks The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv ... than token  Default configuration requires sender to complete transmission and begin receiving transmitted frame before releasing the token  “Early token release” allows release of token ... amount of time before retransmitting Trang 30Ethernet FrameTrang 31Switched EthernetTrang 32Token Ring MAC Protocol Token “seized” by changing a bit on the circulating frame to indicate start

Ngày tải lên: 10/01/2018, 16:24

... Trang 1Chapter 12Three System Examples The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons ... interfaced with standard buses of other personal computers  Permits system components, bus adapters, and devices developed for other computers to be used with the PowerPC processor  Prioritized ... instructions into a 3-operand fixed length format Trang 15IA-64 Itanium Architecture EPIC Architecture  Incorporates entire X86 instruction set and memory model  128 65-bit registers for programs

Ngày tải lên: 10/01/2018, 16:24

... unit of storage  Basic file management system provides  Directory structures for each I/O device  Tools to copy and move files  Information about each file in the system and the tools to access ... Provides tools and services for concurrent processing Trang 6Additional Services Required by  Provides feedback to the system administrators to permit performance optimization of the computer ... Systems: An Overview The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Trang 2Bare Bones Computer

Ngày tải lên: 10/01/2018, 16:24

... Trang 1Chapter 14The User View of Operating Systems The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John ... output messages to I/O devices  Provide ability to create and manipulate variables  Include the ability to branch and loop  Ability to specify arguments to the program command and to transfer ... 14User View of Operating Systems 14-2 User Interface  Help the user use the computer system productively  Provide consistent user interface services to application programs to lower learning curves

Ngày tải lên: 10/01/2018, 16:24

... 1Chapter 15 – Part 1The Internal Operating System The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons ... identifier for each process  Process creation: user vs system  Forking, spawning, cloning a new process  Parent and child processes Trang 7Process Control Block A block of data for each process ... Trang 9 Dispatching - Move from ready state to running state Wake-up - Move from blocked state to ready state  Time-out - Move from running state to ready state  Process completion  Additional

Ngày tải lên: 10/01/2018, 16:24