🗊Презентация Programming Languages: Concepts and Constructs by Ravi Sethi

Категория: Устройства и комплектующие
Нажмите для полного просмотра!
Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №1Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №2Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №3Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №4Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №5Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №6Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №7Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №8Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №9Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №10Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №11Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №12Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №13Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №14Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №15Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №16Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №17Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №18Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №19Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №20Programming Languages: Concepts and Constructs by Ravi Sethi, слайд №21
Скачать
Вы можете ознакомиться и скачать презентацию на тему Programming Languages: Concepts and Constructs by Ravi Sethi. Доклад-сообщение содержит 21 слайдов. Презентации для любого класса можно скачать бесплатно. Если материал и наш сайт презентаций Mypresentation Вам понравились – поделитесь им с друзьями с помощью социальных кнопок и добавьте в закладки в своем браузере.

Слайды и текст этой презентации

Слайд 1


The Role of Programming Languages Chapter 1: Programming Languages: Concepts and Constructs by Ravi Sethi
Описание слайда:
The Role of Programming Languages Chapter 1: Programming Languages: Concepts and Constructs by Ravi Sethi

Слайд 2


What is a Programming Language? a tool for instructing machines a means of communicating between programmers a vehicle for expressing high-level designs a notation for algorithms a way of expressing relationships between concepts a tool for experimentation a means for controlling computerized devices
Описание слайда:
What is a Programming Language? a tool for instructing machines a means of communicating between programmers a vehicle for expressing high-level designs a notation for algorithms a way of expressing relationships between concepts a tool for experimentation a means for controlling computerized devices

Слайд 3


Language Designers Balance … making computing convenient for programmers (a fool with a tool is still a fool) and making efficient use of computing machines (... Why do I have to state this?)
Описание слайда:
Language Designers Balance … making computing convenient for programmers (a fool with a tool is still a fool) and making efficient use of computing machines (... Why do I have to state this?)

Слайд 4


Levels Gross distinction between programming language based on readability based on independence based on purpose (specific … general)
Описание слайда:
Levels Gross distinction between programming language based on readability based on independence based on purpose (specific … general)

Слайд 5


Levels Machine level language Assembly level language High-level language (3GL) sometimes 4GL - fourth Generation Language
Описание слайда:
Levels Machine level language Assembly level language High-level language (3GL) sometimes 4GL - fourth Generation Language

Слайд 6


Machine Level 00000010101111001010 00000010101111001000 00000011001110101000 Can you tell what this code fragment does? Can it be executed on any machine? Is it general purpose?
Описание слайда:
Machine Level 00000010101111001010 00000010101111001000 00000011001110101000 Can you tell what this code fragment does? Can it be executed on any machine? Is it general purpose?

Слайд 7


Assembly Language Look at figure 1.1 LD R1,”0” LD R2, M ST R2, R1 … real assembly used mnemonics Add A(M), …. Had to do your own indexing What does this program do?
Описание слайда:
Assembly Language Look at figure 1.1 LD R1,”0” LD R2, M ST R2, R1 … real assembly used mnemonics Add A(M), …. Had to do your own indexing What does this program do?

Слайд 8


Assembly Language Look at page 63 in your text and figure 3.1 Can you understand what it does now?
Описание слайда:
Assembly Language Look at page 63 in your text and figure 3.1 Can you understand what it does now?

Слайд 9


Basic Concepts of a RAM machine Memory: addresses, contents Program: instructions input/output:(files)
Описание слайда:
Basic Concepts of a RAM machine Memory: addresses, contents Program: instructions input/output:(files)

Слайд 10


High Level Readable familiar notations machine independence availability of program libraries consistency check (check data types)
Описание слайда:
High Level Readable familiar notations machine independence availability of program libraries consistency check (check data types)

Слайд 11


Problems of Scale Changes are easy to make isolated program fragments can be understood BUT… one small bug can lead to disaster read the NOT story about Mariner rockets Notice how the chairman does not understand that a “small” problem can lead to devastating result and why it was not caught
Описание слайда:
Problems of Scale Changes are easy to make isolated program fragments can be understood BUT… one small bug can lead to disaster read the NOT story about Mariner rockets Notice how the chairman does not understand that a “small” problem can lead to devastating result and why it was not caught

Слайд 12


Bugs Programming testing can be used to show the presence of bugs, but never their absence! Dijkstra Programming Languages can help readable and understandable organize such that parts can be understood
Описание слайда:
Bugs Programming testing can be used to show the presence of bugs, but never their absence! Dijkstra Programming Languages can help readable and understandable organize such that parts can be understood

Слайд 13


Role of Programming Languages Art (science) of programming is organizing complexity Must organize in such a way that our limited powers are sufficient to guarantee that the computation will establish the desired effect (Dijkstra - structured programming, sometimes referred to as goto-less programming)
Описание слайда:
Role of Programming Languages Art (science) of programming is organizing complexity Must organize in such a way that our limited powers are sufficient to guarantee that the computation will establish the desired effect (Dijkstra - structured programming, sometimes referred to as goto-less programming)

Слайд 14


Programming Paradigms Imperative - action oriented, sequence of actions Functional - LISP, symbolic data processing Object-Oriented Logic - Prolog, logic reasoning Sequential and concurrent
Описание слайда:
Programming Paradigms Imperative - action oriented, sequence of actions Functional - LISP, symbolic data processing Object-Oriented Logic - Prolog, logic reasoning Sequential and concurrent

Слайд 15


Language Implementation Compiler - source code it translated into machine code (all at once) Interpreter - machine is brought up to the language (one statement at a time)
Описание слайда:
Language Implementation Compiler - source code it translated into machine code (all at once) Interpreter - machine is brought up to the language (one statement at a time)

Слайд 16


Compiled C
Описание слайда:
Compiled C

Слайд 17


Interpreted Code Each instruction is interpreted by machine interpreter does not produce object code
Описание слайда:
Interpreted Code Each instruction is interpreted by machine interpreter does not produce object code

Слайд 18


Comparisons Compilation more efficient interpreted more flexible
Описание слайда:
Comparisons Compilation more efficient interpreted more flexible

Слайд 19


Testing your skill Do 1.4 (a,b,c) in PL book Do 1.5 For each file, include a file header: what this file accomplishes - description what “entities” are in this file dependencies structure
Описание слайда:
Testing your skill Do 1.4 (a,b,c) in PL book Do 1.5 For each file, include a file header: what this file accomplishes - description what “entities” are in this file dependencies structure

Слайд 20


Testing your skill For each module, include a module header: what this module accomplishes - description dependencies ( parameters(in, out, inout), global data (accessed or modified), called by (fanin), calls (fanout) ) restrictions programmer date created modifications
Описание слайда:
Testing your skill For each module, include a module header: what this module accomplishes - description dependencies ( parameters(in, out, inout), global data (accessed or modified), called by (fanin), calls (fanout) ) restrictions programmer date created modifications

Слайд 21


Testing your skill For the test cases, include a test header: for each input, put the expected output, date executed, name of tester and passed/failed
Описание слайда:
Testing your skill For the test cases, include a test header: for each input, put the expected output, date executed, name of tester and passed/failed

Скачать

Похожие презентации
Mypresentation.ru
Загрузить презентацию