In data-flow diagrams, an originator or receiver of the data is usually designated by

Which country is the originator of the high speed "Bullet Train" ?

A

United States

B

China

C

Japan

D

Russia

Where was Guru Nanak Dev (the originator of Sikh religion) born?

A

Amritsar

B

Anandpur Sahib

C

Talwandi

D

Patna Sahib

Scientists should hope that the faults in their theories will be ______ their peers since the refutation of one hypothesis can free its originator to develop a better one.

A

disregarded by

B

discerned by

C

ignored by

D

opaque to

E

inspiring to

Four defensive football players are chasing the opposing wide receiver, who has the ball. Calvin is directly behind the ball carrier. Jenkins and Burton are side by side behind Calvin. Zeller is behind Jenkins and Burton. Calvin tries for the tackle but misses and falls. Burton trips. Which defensive player tackles the receiver?

A

Burton

B

Zeller

C

Jenkins

D

Calvin

A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.

A

The student of khulna University do not usually take physical exercise.

B

No respondent took more than one form of exercise.

C

The method of data collection was not valid.

D

Some of the respondents took more than one form of exercise.

The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

A

cannot talk at once

B

can receive and send data simultaneously

C

can send or receive data one at a time

D

can do one way data transmission only

E

None of the above

The diode detector in an AM radio receiver is usually found ___________

A

Before the first RF stage

B

After the first RF stage

C

After several stages of amplification

D

None of the above

The processes at the most detailed level of the data flow diagrams are called

A

transform descriptions

B

functional primitives

C

data flows

D

interfaces

E

None of the above

A _____ is software that is designed for drawing diagrams of information systems, writing process specifications, and maintaining data dictionaries.

A

System Development Life Cycle

B

CASE tool

C

Phased Conversion

D

Success factors

E

Move of the above.

During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.

A

True

B

False

In data-flow diagrams, an originator or receiver of the data is usually designated by

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