Revision unit 12 (part1)

Who creates Software programs?

• system analyst

• program developer

• web developer

• computer programmer

Answer explanation

The SYSTEM ANALYST plans the program after studying the needs of the users.

PROGRAMMERS write the detailed instructions for the computer.

How many steps are needed to write a program?

• 7

• 4

• 5

• 6

Answer explanation

1) Description (what input data, what computing, what output)

2) System flowcharts (diagrams)

3) Program instructions - programming language

4) Alpha testing - debugging

5) Beta testing - real life conditions

6) Final approval

Errors which prevent the program from working properly are called...

(a)  

How many types of COMPUTER LANGUAGE do you know?

(a)  

Answer explanation

LOW-LEVEL language

HIGH-LEVEL language

The language based on the binary language is:

• Low-level

• High-level

Which one are examples of HIGH-LEVEL LANGUAGE?

• FORTRAN

• LISP

• C++

• Assembly

• Machine code

A computer can only work with a high-level if it's translated

• TRUE

• FALSE

An assembler can translate machine language into programming language.

• TRUE

• FALSE

Answer explanation

Assemblers (or compiler) translate the programming language into machine language so that the computer can follow the instructions.

Simple low-level languages are easy to work with

• TRUE

• FALSE

FORTRAN is often used...

• for writing internet applications

• for processing business data

• for solving complex scientific problems

• for writing simple programs

Answer explanation

JAVA is usually used for writing Internet Applications.

COBOL is used for processing business data.

BASIC is often used for writing simple programs