Computer Science

DEC advertises that it helped to create “the world’s first expert system routinely used in an industrial environment,” called XCON or:

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Question: DEC advertises that it helped to create “the world’s first expert system routinely used in an industrial environment,” called XCON or:
[A].

PDP-11

[B].

Rl

[C].

VAX

[D].

MAGNOM

Answer: Option B

Explanation:

No answer description available for this question.

An expert system differs from a database program in that only an expert system:

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Question: An expert system differs from a database program in that only an expert system:
[A].

contains declarative knowledge

[B].

contains procedural knowledge

[C].

features the retrieval of stored information

[D].

expects users to draw their own conclusions

Answer: Option B

Explanation:

No answer description available for this question.

In geosynchronous orbit, satellite

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Question: In geosynchronous orbit, satellite
[A].

remains in a fixed position so that as earth rotates, it can fully cover the earth

[B].

remains in a fixed position related to points on earth

[C].

moves faster than the earth’s rotation so that it can cover larger portion of earth.

[D].

moves simultaneously

Answer: Option A

Explanation:

No answer description available for this question.

Which of the following statements is correct?

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Question: Which of the following statements is correct?
[A].

characteristic of the hub architecture of ARC-net is alternative routing.

[B].

characteristic of LAN is unlimited expansion

[C].

characteristic of LAN is low cost access for low bandwidth channels

[D].

characteristic of the hub architecture of ARC-net is directionalized transmission

Answer: Option D

Explanation:

No answer description available for this question.