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Focus review



Read paragraphs 1 and 3 of 'Programs and Programming Languages' again - they are re-written below. What do the words in italics signify?

Computers can deal with different kinds of

problems if they are given the right instructions a. Cause-effect......

for what to do. Instructions are first written in

one of the high-level languages, e.g. FORTRAN, b..............................................

COBOL, ALGOL, PL/1, PASCAL, or BASIC, depending on the type of problem to be solved. A program written in one of these languages is often called a source program, and it cannot be

directly processed by the computer until it has c.................................

been compiled, which means interpreted into d.

machine code. Usually a single instruction

written in a high-level language, when

transformed to machine code, results in several e.

instructions. Here is a brief description of some

of the many high-level languages: ...

The program produced after the source program f..................................

has been converted into machine code is referred g.
to as an object program or object module. This is

done by a computer program called the compiler, h..................................

which is unique for each computer. Consequently, i...................................

a computer needs its own compiler for the

various high-level languages if it is expected to j...................................

accept programs written in those languages. For k.

example, in order that an IBM system 370 may 1…Cause-effect

process a program in FORTRAN, it needs to

have a compiler that would understand that

particular model and the FORTRAN language

as well. m.................................


FOCUS N




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