Computer Language

Dialogue

摘要：[对话训练]

Dialogue 1

A: How do you pay for your ISP service?

B:I pay for 20 hours at a time .When that is almost gone . I pay for some more.

A: Where do you have to go to pay?

B:Oh, I just deposit the money in a postal account, so I can do it from any post office.

Dialogue 2

A: I think I need to find a new ISP.

B: Are your download times too slow with your present provider?

A:The download times are OK. but I'm spending too much money for my Internet connection.

B:Maybe your ISP has some cheaper operations you could check on.

Dialogue 3

A: How much time do you spend on-line every month?

B: I pay for unlimited access, so I don't keep very close track of my hours ,How about you?

A:Right now, I'm using about 12 hours every month.

Dialogue 4

A: I keep getting a printer error every time I try to print this picture .Do you know what the problem is?

B:The problem is with your printer, What I mean is that you're using a dot-matrix printer. It's not capable of printing complex graphics files.

A:So if I want to print this file, I have to get a new printer?

B: I'm afraid so.

Professional Terms

passage

摘要：文章训练

Vocabularies

symbolic a.

interactive a.

permit v.

interpreter n.

numerical a.

moderate a.

originally ad.

loosely ad.

subscript n.

protect v.

operand n.

variable adj.

subroutine n.

algorithmic n.

commercial n.

Passages

BASIC

( Beginner's All-purpose Symbolic Instruction Code) is a popular interactive language that has wide-spread appeal because it is easy to use.

An interactive language permits direct communication between user and computer system during the preparation and use of programs.

A problem solver with little or no knowledge of computers or programming can learn to write BASIC programs at a remote terminal or microcomputer keyboard in a short period of time.

Notes

摘要：文章训练

A problem solver with little or no knowledge of computers or programming can learn to write BASIC programs at a remote terminal or mircrocomputer keyboard in a short period of time.

It is also easy to insert changes and additions into a BASIC program

BASIC is now by far the most popular high-level language used in microcomputer system.

Interpreters are generally used in microcomputer systems to translate BASIC instructions into machine-language code.

FORTRAN ( Formula translator) is a popular language for mathematical and scientific computation.

Its numerical abilities are strong( particularly its ability to handle complex numbers) although it is weak in handling character strings .It is of moderate difficulty to learn and use.

BASIC is widely used in today's microcomputer systems.

BASIC was originally designed as a teaching language loosely based on FORTRAN and is simple to learn.

However ,its capabilities are limited compared to most other high-level languages.

The higher language goes by different names.

FORTRAN(FORmula TRANslation) was the first.

and now we also have ALGOL (algorithmic Language)

BASIC ( Beginner's ALL-purpose Symbolic Instruction Code)

COBOL ( Common Business Oriented Language)

LISP(LIST Processing) PASCAL and ADA ( named after Ada Lovelace Charles Babbage's assistant)

Each has been designed to meet a particular purpose;

FORTRAN, PASCAL ,ALGOL and BASIC are mathematically oriented.

COBOL is used for commercial purposes.