Question

A digital system is required to amplify a binary encoded audio signal. The user should be able to control the gain of the amplifier from a minimum to a maximum in 100 increments. The minimum number of bits required to encode, in straight binary is,

a.

8

b.

6

c.

5

d.

7

Answer: (d).7

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. A digital system is required to amplify a binary encoded audio signal. The user should be able to control the gain of the amplifier from a minimum to a maximum in 100 increments....

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. A 4 bit transistor register has output voltage of high-low-high-low. The binary number stored and its decimal equivalent are

Q. Assertion (A): A demultiplexer cannot be used as a decoder

Reason (R): A multiplexer selects one of many outputs whereas a decoder selects on output corresponding to coded input.

Q. Hexadecimal number F is called to octal number

Q. A 4 bit ripple counter is in 0000 state. The clock pulses are applied and then removed. The counter reads 0011. The number of clock pulses which have occurred are

Q. TTL logic is preferred to DRL logic because

Q. Assertion (A): Schottky transistors are preferred over normal transistors in digital circuits

Reason (R): A Schottky transistor when used as a switch, between cutoff and active region.

Q. A 4 bit synchronous counter uses flip flops with a delay time of 15 ns each. The time required for change of state is

Q. What do the contents of instruction register specify?

Q. In the decimal number 27, the digital 2 represents

Q. Which of the following is true?

Q. E7F6₁₆ = __________ .

Q. What is the normal range of analog input voltage?

Q. Assertion (A): The propagation delay in ECL is minimum

Reason (R): Transistors used in ECL switch between active and cutoff regions.

Q. For the design of a sequential circuit having 9 states, minimum number of memory elements required is

Q. ICs are

Q. A 6 bit DAC uses binary weighted resistors. If MSB resistor is 20 k ohm, the value of LSB resistor is

Q. A 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000). Then, what will be input, if the output register shows 100111 at the end of conversion.

Q. The number of accumulators in 6800 are

Q. A 14 pin AND gate IC has __________ AND gates.

Q. In 8085 microprocessor, how many lines are there in data bus?

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!