technology general knowledge questions

21.

In which year was MIDI(dress) introduced?
A.     1987    B.     1983
C.     1973    D.     1977
Answer & Explanation

Answer: Option B

Explanation:

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22.

What does the term PLC stand for?
A.     Programmable Lift Computer
B.     Program List Control
C.     Programmable Logic Controller
D.     Piezo Lamp Connector
Answer & Explanation

Answer: Option C

Explanation:

Used in manufacturing, engineering, and process operations.
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23.

When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its “Noise…”?
A.     Fundamental    B.     Fall
C.     Force    D.     Figure
Answer & Explanation

Answer: Option D

Explanation:

“Noise figure” is one critical parameter for determining the “quality” of a low-noise, small-signal, amplifier, and perhaps more importantly, the sensitivity of the overall receiver system. It is especially important for VHF (very high frequency) – and higher frequency – designs where most of the undesired “noise” (noise that masks or overpowers the desired signals) is generated internal to the electronics itself. In HF (high frequency) applications, atmospheric noise plays a much larger role in determining overall useful sensitivity, so a circuit’s “noise figure” is less important.
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24.

‘DB’ computer abbreviation usually means ?
A.     Database
B.     Double Byte
C.     Data Block
D.     Driver Boot
Answer & Explanation

Answer: Option A

Explanation:

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25.

‘.INI’ extension refers usually to what kind of file?
A.     Image file
B.     System file
C.     Hypertext related file
D.     Image Color Matching Profile file
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question.

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