A common reason for changing an information system is

Which of the following is not a part of a Data Flow Diagram?

The first step to the system study project is to

The data stored on a tape or disk file may be recorded in a report form described as

In Data structure, main characteristic of "ring" is :

Which of the following control structures is used in every program?

On the feasibility committee, department representatives serve as

A system design is said to be functionally modular if

A design that consists of a hierarchy of modules; each module has a single entry and a single exit subroutine, is known as

Which of the following is an integrated collection of data with minimum redundancy, so that different applications can use the required data.

A channel for communicating across a boundary between two or more sub¬systems is known as

The time lag, between the keying of the last character on the keyboard input and the appearance of the first output character on the screen, is known as

Difference between Decision - Tables and Decision Trees is (are):

Rapid prototyping proves the quality of a design by

Where one has to process all the data records in a file, the best tile organization is

Which of the following is not a programming control structure?

Conversion method in which users, being used to an old system, continue to use the old system, alongside the new system, is

The longest method of conversion is

The instruction "If it's raining outside, then take an umbrella to work" is an example of the _____ structure,

The systems conversion technique of totally removing the existing system and immediately implementing the new system is called a

Which of the following statements is true

The procedure for evaluating the relative performance of different computers, is done by the process called

Which of the following is not a characteristic of a system?

Benchmarking is used

Structured design produces computer programs that are

The black-box concept:

An open rectangle

The systems conversion technique of totally removing the existing system and immediately implementing the new system is called as

A programmer reviews the accuracy of an algorithm by _____ it.

Changes made periodically to a system, after its implementation, is known as system

At the time of system study, flowcharts are drawn using

Requirements also serve as an evaluation checklist at the end of the development project, so they are sometimes called _____.

Which of the following statements is not true

The four icons used in building Data Flow Diagram are