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3. The highest value you can read on a 3½-digit DMM is A. 9.99 B. 9.995 C. 19.500) 4. Increasing the value of resistors that are part of a logic device helps qualify the device for what family classification? A. Low power TTL A. Low-power TTL C. High-threshold DTL D. High-threshold RTL B. High-threshold TTL

Solution

Ans) D-19.99 (Highest value you can read in 3 1/2 digit DMM from the options given)

Reason:

Digital meters are typically described as having “half digit” capability. A full digit is a display segment that can render all the numbers from 0-9, that is 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

Where as a half digit can display only the number 1. The half digit is always the first digit shown. Because the half digit is basically only a “1” it has limited possible use.

The decimal point is just a “dot” segment that is manually displayed after the appropriate number segment to show the proper complete number desired.

A 3.5 digit display is actually four segments, one half digit and 3 full digits. Displaying maximum capability it would read 1999

So you can place decimal point anywhere in maximum value it can read 1999----19.99

So Answer is D

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