concepts of programming languages

Principles of Programming Languages potx

... Principles of Programming Languages, 1Undergraduate Topics in Computer Science, DOI 10.1007/978-1-84882-032-6_1,c Springer-Verlag London Limited 20091.1 Five ConstructsMost programming languages ... map afinite subset of the set Var to the set Ref.Thesetofmemory states is defined asthe set of functions mapping a finite subset of the set Ref to the set Val. For theset of environments, we ... circular, since to define the value of an expression of the form t+u, we use the value of expressions t and u.But the size of these expressions is smaller than that of t+u. This definitionis therefore...

History of Programming Languages-II ppt

... System House Inc., the employer of one of our 1978 scholarship winners, for support of a fifth student. Of course the major sponsors of our conference are the employers of our volunteers, who provide ... machine languages. You probably called them assembler languages. But for the computer architect this language design is a major concern. Machine languages are a specialized set of programming languages ... excellence. So, many of the things I say come from these experiences of working with languages in which every bit counts. Job control languages are languages in disguise. Shell scripts are languages in...

875
1,403
0

iec 61131-8 programmable controllers - guidelines for the application and implementation of programming languages

... implementation of programming languages 1 General1.1 ScopeThis part of IEC 61131, which is a technical report, applies to the programming of program-mable controller systems using the programming languages ... implementors of programming languages, as defined in IEC 61131-3, for programmablecontroller systems. This may include vendors of software and hardware for the preparationand maintenance of programs ... formulation of an SFC (2.6 of IEC 61131-3) expressing thesequence of operations to be performed and the conditions for repeating the cycle of operations. Each action (2.6.4 of IEC 61131-3) of the...

Concepts of RDBMS and SQL Server 2000

...

Techniques for improving listening skills FOR gifted students at Foreign Language Specializing School - College of Foreign Languages - VIETNAM National University, HANOI

... improving listening skills of gifted students of Foreign Language Specializing School, College of Foreign Languages, Hanoi National University.”2. AIMS OF THE STUDY The purpose of this study is to ... rushed. The techniques of offering support or instruction before listening are varied and depend on a number of factors: time, material, the ability of the class, the interest of the class, the ... These units of meaning are the propositions which an utterance or speech expresses. Listeners make use of two kinds of knowledge to identify propositions: knowledge of the syntax of the target...

47
1,633
18

Developing critical reading skills for first year students in English department, college of foreign languages, Vietnam national university, Hanoi

... significance of for the… period of time/ the context?Compare the story with other stories.Table 3 Sample questions classified in six levels–19Next, because of the limitation of time as well as of ... skills allow beginners of language learning to get familiar with aspects of intellectual activities such as the roots of arguing, the process of making arguments, characteristics of a convincing ... aware of the role of critical reading in the teaching and learning process. This leads to quite lots of problems concerning behaviorism, self discovery and other cognitive matters. The lack of...

59
1,416
4

An action research on the use of continuous feedback to improve the first year students' pronunciation at the english department, college of foreign languages, vietnam national university, hanoi part 1

... conducted to investigate issues relating to the pronunciation of the first year students at the English Department, College of Foreign Languages, Vietnam National University, Hanoi. Please tick ... schools5. How often did you listen to authentic English at your secondary school?a. No time b. < 20 mins/week c. 20- 45 mins/week d. 45-60 mins/week6. How do you judge the pronunciation of your ... the pronunciation of your Vietnamese teachers of English at your secondary school?a. poor b. average c. good d. excellent (native-like)7. How often were you taught English pronunciation in...

6
1,143
2

An action research on the use of continuous feedback to improve the first year students' pronunciation at the english department, college of foreign languages, vietnam national university, hanoi part 2

... classified in terms of: (1) The height of the bulk of the tongue in the mouth(2) The front/back position of the tongue in the mouth(3) The degree of lip-rounding(4) The length of vowels (Roach, ... lots of problems relating to pronunciation teaching. Firstly, the class size is often too big for the teaching of pronunciation. Even in universities of foreign languages, the number of students ... habit of pronounce a new-formed word according to the pronunciation of the root one. For example, they tend to pronounce the sounds of Exhibition like the sound of Exhibit. With the help of the...

76
1,069
2

Xem thêm