computer science or information technology degree

... DELIVERABLES FOR THE COMPANY 9 6.4.1 Users’ Manual 9 7 TIMELINE FOR DELIVERABLES 10 8 ADVISOR/SUPERVISOR 10 8.1 TECHNICAL ADVISOR 10 8.2 Supervisor 10 Trang 41 Acronyms2 Executive Summary of Effort Infrastructure ... summary of effort 4 Project purpose and goals 5 Project approach and methodologies 6 Project deliverables 7 Timeline for deliverables 8 Identify Technical Advisor by name, contact information, position ... parameters, or attributes, that are used to accurately specify their characteristics to the Computer Automated Dispatch (CAD) software system A technician makes the table information for the CAD

Ngày tải lên: 18/10/2022, 16:47

... AND TRAININGUNIVERSITY OF ECONOMICS - FINANCE HO CHI MINH CITY Computer Network Security Information Technology Specialization: Information Security Project: CLOUD Lecturer: Nguyen Son Lam Members ... TRAINING UNIVERSITY OF ECONOMICS - FINANCE HO CHI MINH CITY Trang 2Computer Network SecurityInformation Technology Specialization: Information Security Project: CLOUD Lecturer: Nguyen Son Lam Members: ... without anyproblems Fourth criterion: Working performance - Working performance here has many factors such as: • User retention rate • Completion rate or rate of achieving the goal • Number of

Ngày tải lên: 05/02/2025, 11:01

... plays a very importantrole in learning English as a foreign language, especially English for computerscience in Vietnam The main goal of ESP course, especially English for Computer Science isaimed ... challenges in reading comprehension of English for Computer Science for second-year students in the department ofinformation technology at Nghe An JTTC To be more specific, the objectives ofthis study ... readingmore difficult What is more, when poor reading results are reported, one tends to blame thestudents for having poor ability or for making insufficient effort Nevertheless, thestudents are

Ngày tải lên: 18/12/2013, 15:37

... Thesis Information Page Coding For Update Thesis Interface For Search Thesis Page Interface For Result For Search Thesis Interface For View Thesis Interface For Download Thesis Coding For Download ... Interface For User Update Profile Main Page Interface For User Update Information Coding For Update User Profile Interface For Upload Thesis Page Interface For Feedback Page After Upload Coding For Uploading ... File Interface For Send SMS Notification Coding For Send SMS Notification Interface For Send Email Notification Coding For Send Email To Notify Supervisor Interface For Add Favorite Thesis Page

Ngày tải lên: 10/12/2016, 13:33

... 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 ... primary storage , working storage, and RAM (random access memory)  Consists of bits, each of which hold a value of either 0 or 1 (8 bits = 1 byte)  Holds both instructions and data of a computer ... Make informed decisions  Improve communications with information technology professionals  Conduct surveys, determine feasibility and define and document user requirements  Specify computer

Ngày tải lên: 10/01/2018, 16:23

... 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 design was ... Arithmetic Origin: counting on the fingers  “Digit” from the Latin word digitus meaning “finger” zero in the number system  Example: Base 10 has 10 digits, 0 through 9  Binary or base 2  Octal or ... through 7  Hexadecimal or base 16: 16 digits, 0 through F Trang 4Keeping Track of the Bits Bits commonly stored and manipulated in groups  8 bits = 1 byte  4 bytes = 1 word (in many systems)

Ngày tải lên: 10/01/2018, 16:23

... 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 ... Compactness (storage and transmission)  More data required for improved accuracy and resolution  Compression represents data in a more compact form  Metadata : data that describes or interprets ... black, white or 254 shades of gray  Color graphics: 16 colors, 256 colors, or 24-bit true color (16.7 million colors) Trang 23Storing Bitmap Images Resolution (the number of pixels per inch)

Ngày tải lên: 10/01/2018, 16:23

... 4-bit code corresponding to 1 of 16 shades of gray Trang 20Bitmap Display  Gray scale: black, white or 254 shades of gray  Color graphics: 16 colors, 256 colors, or 24-bit true color (16.7 million ... Compactness (storage and transmission)  More data required for improved accuracy and resolution  Compression represents data in a more compact form  Metadata : data that describes or interprets ... 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

Ngày tải lên: 10/01/2018, 16:23

... The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv Englander John Wiley and Sons 2003 Trang 332-bit Data WordTrang 4Unsigned Numbers: ... bit for sign  Total range of integers the same  Example using 8 bits: Trang 10Difficult Calculation Algorithms to implement in hardware  Must test for 2 values of 0  Useful with BCD  Order ... digits or word size  Example: representation of 3-digit number  Conversion to sign-and-magnitude number for 9’s complement Trang 15Choice of Representation Must be consistent with rules of normal

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 ... steps an embedded decimal or binary point must be converted separately reduced to a pure decimal or binary mixed number or fraction before the conversion can be performed Trang 24Conversion: ... Underflowsmall for representation Trang 9until leading zeros eliminated 4 Correct precision by adding 0’s or discarding/rounding least significant digits Trang 11Example 2: 1255 x 10-33 Already normalized

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 ... Content may be  Data or  Instructions Address Content Trang 5Magic!Trang 6Assembly Languageassembly language instruction and binary (machine) language instruction  Mnemonics (short character sequence) ... Difference of 2 NumbersTrang 22Fetch Portion ofFetch and Execute Cycle 1 Little Man reads the address from the location counter 2 He walks over to the mailbox that corresponds to the location counter

Ngày tải lên: 10/01/2018, 16:23

... 4,294,967,296 or 4 GB  Important for performance  Insufficient memory can cause a processor to work at 50% below performance Trang 15Chapter 7 CPU and Memory 7-15RAM: Random Access Memory  DRAM ... Memory 7-39Stack Instructions  Stack instructions  LIFO method for organizing information  Items removed in the reverse order from that in which they are added Trang 40Chapter 7 CPU and Memory ... MDR and Memory Trang 11Chapter 7 CPU and Memory 7-11MAR-MDR Example Trang 12Chapter 7 CPU and Memory 7-12Visual Analogy of Memory Trang 13Chapter 7 CPU and Memory 7-13Individual Memory Cell Trang

Ngày tải lên: 10/01/2018, 16:23

... 9CISC vs RISC Performance Comparison  RISC  Simpler instructions  more instructions  more memory accesses  RISC  more bus traffic and increased cache memory misses  More registers would ... Trang 1Chapter 8CPU and Memory: Design, Implementation, and Enhancement The Architecture of Computer Hardware and Systems Software: An Information Technology Approach 3rd Edition, Irv ... programmers and compilers  Memory references, loads and stores, are slow and account for a significant fraction of all instructions  Procedure and function calls are a major bottleneck  Passing

Ngày tải lên: 10/01/2018, 16:23

... 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 ... occurred  real-time or time-sensitive  Signal completion  printer ready or buffer full  Allocate CPU time  time sharing  Indicate abnormal event (CPU originates for notification and recovery) ... Hierarchy Processor bus: on-chip  Cache bus (backside bus)  Memory bus (front-side bus)  connects the memory subsystem and processor  Local I/O bus  high-speed bus used to connect performance critical

Ngày tải lên: 10/01/2018, 16:23

... 22Color and Displays Pixel color is determined by intensity of 3 colors – Red Green Blue or RGB  4 bits per color Trang 23CRT’s and Text Monitors CRTs (similar to TVs)  3 stripes of phosphors ... phosphors for each color  3 separate electron guns for each color  Strength of beam  brightness of color  A character is the smallest unit on a screen  Very little memory required  Fast for remote ... basic computer  Classified as input, output, and storage  Connect via  Ports  parallel, USB, serial  Interface to systems bus  SCSI, IDE, PCMCIA Trang 3Storage Devicesprimary memory for

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 ... network  Accept frames from sender on one network that are addressed to a receiver on the other network  Retransmit frames from sender using MAC protocol for receiver Trang 35networks correspond ... Coupled Systems Clusters or multi-computer systems  Each system has its own CPU, memory, and I/ Trang 13Shared-Disk Model Better load balancing  Complex software required for transactional processing

Ngày tải lên: 10/01/2018, 16:24

... storage  Can run programs written for the 32-bit implementation  Supports floating point calculations, memory caching, and virtual memory  More current implementations also support vector ... 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  128 80-bit ... IBM  Bus-oriented I/O architecture that can be interfaced with standard buses of other personal computers  Permits system components, bus adapters, and devices developed for other computers

Ngày tải lên: 10/01/2018, 16:24

... Provides interfaces for the user and the user’s programs  File support services  I/O support services  Means of starting the computer  Bootstrapping or booting the computer  Initial Program ... instructions into main memory  No user interface except for I/O routines provided with executing program  Is idle when waiting for user input  No facility to store, retrieve, or manipulate files ... 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 System Does

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 Wiley and Sons ... 2003 Trang 2 Chapter 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 ... mechanism to combine sequences of commands together These pseudo-programs are known as scripts or batch files  Startup files – OS configuration, user preferences  Features of Command Languages

Ngày tải lên: 10/01/2018, 16:24

...  Favors short jobs, I/O bound jobs  Each level assigns more CPU time Trang 18 Chapter 15The Internal Operating System – Part 1 15.1-18 Memory Overlays Trang 19Virtual Memory Virtual memory ... overhead for resource allocation and process management  Substantially less information than a normal PCB Trang 12(dispatcher) Deciding which process shall be executed next by the processor Mid-level ... Unfair to short processes and I/O based processes  Shortest Job First (SJF)  Longer jobs can be starved  Priority Scheduling  Dispatcher selects among jobs with the same priorities Trang

Ngày tải lên: 10/01/2018, 16:24