Number of control lines required for 16 to 1 multiplexer is

Number of control lines required for 16 to 1 multiplexer is
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Number of control lines required for 16 to 1 multiplexer is 4

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The number of control lines for 32 to 1 multiplexer is (A) 4. (B) 5. (C) 16. (D) 6.

Description : The number of control lines for 32 to 1 multiplexer is (A) 4. (B) 5. (C) 16. (D) 6.

Last Answer : Ans: B The number of control lines for 32 (2^5) and to select one input among them total 5 select lines are required.

The number of control lines for 16 to 1 multiplexer is (A) 2. (B) 4. (C) 3. (D) 5.

Description : The number of control lines for 16 to 1 multiplexer is (A) 2. (B) 4. (C) 3. (D) 5.

Last Answer : (B) 4.

Find out number of data lines required to interface 16 LEDs arrange in the 4 x 4 matrix form.

Description : Find out number of data lines required to interface 16 LEDs arrange in the 4 x 4 matrix form.

Last Answer : 4+4=8, eight lines are required for 4x4 matrix of 16 LEDs

Define the term 'Multiplexer'. State two examples of multiplexer.

Description : Define the term 'Multiplexer'. State two examples of multiplexer.

Last Answer : A digital multiplexer or data selector is a logic circuit that accepts several (many) digital data inputs and selects one of them at any given time to pass on to the output. 1. Two input multiplexer 2. Four input multiplexer 3. Eight input multiplexer

The function of a multiplexer is

Last Answer : The function of a multiplexer is To select 1 out of N input data sources and to transmit it to single channel.

How many select lines will a 16 to 1 multiplexer will have (A) 4 (B) 3 (C) 5 (D) 1

Description : How many select lines will a 16 to 1 multiplexer will have (A) 4 (B) 3 (C) 5 (D) 1

Last Answer : (A) 4

The number of control lines for a 8 – to – 1 multiplexer is (A) 2 (B) 3 (C) 4 (D) 5

Description : The number of control lines for a 8 – to – 1 multiplexer is (A) 2 (B) 3 (C) 4 (D) 5

Last Answer : Ans: B The number of control lines for an 8 to 1 Multiplexer is 3 (The control signals are used to steer any one of the 8 inputs to the output)

How many select lines will a 32:1 multiplexer will have (A) 5. (B) 8. (C) 9. (D) 11.

Description : How many select lines will a 32:1 multiplexer will have (A) 5. (B) 8. (C) 9. (D) 11.

Last Answer : (A) 5.

A terminal multiplexer has six 1200 bps terminals and ‘n’ 300 bps terminals connected to it. If the outgoing line is 9600 bps, what is the value of n ? (A) 4 (B) 8 (C) 16 (D) 28

Description : A terminal multiplexer has six 1200 bps terminals and ‘n’ 300 bps terminals connected to it. If the outgoing line is 9600 bps, what is the value of n ? (A) 4 (B) 8 (C) 16 (D) 28

Last Answer : (B) 8

Decimal equivalent of Hexadecimal number (C3B1)16 is:

Description :  Decimal equivalent of Hexadecimal number (C3B1)16 is: A) 12197 B) 32097 C) 52097 D) 50097

Last Answer :  Decimal equivalent of Hexadecimal number (C3B1)16 is: 50097

How many minimum number of NOR gates are required to realize a two-input X-OR gate?

Description : How many minimum number of NOR gates are required to realize a two-input X-OR gate?

Last Answer : 5

The number of comparators required in a 3-bit comparator type analog to digital converter is

Description : The number of comparators required in a 3-bit comparator type analog to digital converter is  A) 2 B) 3 C) 7 D) 8 

Last Answer : Number of comparators =2^n -1= 2^3 -1=7

The number of comparators required in a 4 bit comparator type ADC is

Description : The number of comparators required in a 4 bit comparator type ADC is (A) 16 (B) 15 (C) 17 (D) 12

Last Answer : The number of comparators required in a 4 bit comparator type ADC is 15

How many flip-flops are required to build a binary counter circuit to count from 0 to 1023 ?

Description : How many flip-flops are required to build a binary counter circuit to count from 0 to 1023 ? (a) 1 (b) 6 (c) 10 (d) 23 

Last Answer : (c)10

An Arithmetic Logic Unit (ALU) normally contains a number of multiplexer circuits. How many of these might you expect to find in an ALU in a modern CPU chip, and what is their purpose?

Description : An Arithmetic Logic Unit (ALU) normally contains a number of multiplexer circuits. How many of these might you expect to find in an ALU in a modern CPU chip, and what is their purpose?

Last Answer : answer:FYI, We don’t do homework here. Hint: Realize that an ALU needs to be fed instructions (opcodes) and that they will need to be decoded. This question is also somewhat dated.

What is the direction of control bus?

Last Answer : Mixed direction i.e., some lines into the microprocessor and some others out of the microprocessor 

ROM has a: a) Decoder followed by encoder b) Multiplexer followed by decoder c) Demultiplexer followed by an encoder d) None of the above

Description : ROM has a: a) Decoder followed by encoder b) Multiplexer followed by decoder c) Demultiplexer followed by an encoder d) None of the above

Last Answer : Ans: A

What circuit is responsible in activating and deactivating adjacent antenna elements in a mobile satellite array? A. Radial divider B. Divider/combiner C. Radial combiner D. Radial multiplexer

Description : What circuit is responsible in activating and deactivating adjacent antenna elements in a mobile satellite array? A. Radial divider B. Divider/combiner C. Radial combiner D. Radial multiplexer

Last Answer : A. Radial divider

Define multiplexer

Description : Define multiplexer

Last Answer : Multiplexer is a digital switch. If allows digital information from several sources to be routed onto a single output line.

Multiplexing in a time division multiplexer occurs based upon A. the position of a frame within the group of frames B. the positioning of data within a frame C. the priority assigned to a connected device D. the activity of a connected device

Description : Multiplexing in a time division multiplexer occurs based upon A. the position of a frame within the group of frames B. the positioning of data within a frame C. the priority assigned to a connected device D. the activity of a connected device

Last Answer : B. the positioning of data within a frame

Data transfers are done using: a. Multiplexer switching b. Demultiplexer switching c. Adder switching d. Subtractor switching

Description : Data transfers are done using: a. Multiplexer switching b. Demultiplexer switching c. Adder switching d. Subtractor switching

Last Answer : a. Multiplexer switching

In RISC architecture access to registers is made as a block and register file in a particular register can be selected by using: a. Multiplexer b. Decoder c. Subtractor d. Adder

Description : In RISC architecture access to registers is made as a block and register file in a particular register can be selected by using: a. Multiplexer b. Decoder c. Subtractor d. Adder

Last Answer : b. Decoder

A communications device that combines transmissions from several I/O devices into one line is a a. concentrator b. modifier c. multiplexer d. full-duplex line

Description : A communications device that combines transmissions from several I/O devices into one line is a a. concentrator b. modifier c. multiplexer d. full-duplex line

Last Answer : multiplexer

Which of the following does not allow multiple uses or devices to share one communication line? a. doubleplexer b. multiplexer c. concentrator d. controller

Description : Which of the following does not allow multiple uses or devices to share one communication line? a. doubleplexer b. multiplexer c. concentrator d. controller

Last Answer : concentrator

Which of the following might be used by a company to satisfy its growing communications needs? a. front end processor b. multiplexer c. controller d. concentrator e. all of the above

Description : Which of the following might be used by a company to satisfy its growing communications needs? a. front end processor b. multiplexer c. controller d. concentrator e. all of the above

Last Answer : all of the above

An add/drop multiplexer isa ______device. A) one-layerB)two-layerC)three-layerD)four-layer

Description : An add/drop multiplexer isa ______device. A) one-layer B) two-layer C) three-layer D) four-layer

Last Answer : three-layer

An STS multiplexer is a ______ device. A) one-layer B) two-layer C) three-layer D) four-layer

Description : An STS multiplexer is a ______ device. A) one-layer B) two-layer C) three-layer D) four-layer

Last Answer : two-layer

_______ allow insertion and extraction of signals. A) regenerators B) ADMs C) STS multiplexer/demultiplexers D) none of the above

Description : _______ allow insertion and extraction of signals. A) regenerators B) ADMs C) STS multiplexer/demultiplexers D) none of the above

Last Answer : regenerators

A ________ is a repeater. A) regenerator B) ADM C) STS multiplexer/demultiplexer D) none of the above

Description : A ________ is a repeater. A) regenerator B) ADM C) STS multiplexer/demultiplexer D) none of the above

Last Answer : STS multiplexer/demultiplexer

A communication device that combines transmissions from several I/O devices into one line is a A) Concentrator B) Modifier C) Multiplexer D) Full duplex file

Description : A communication device that combines transmissions from several I/O devices into one line is a A) Concentrator B) Modifier C) Multiplexer D) Full duplex file

Last Answer : C) Multiplexer

Which network component/s is/are involved in the Presentation layer of an OSI model? a. Gateway b. Multiplexer & Oscilloscope c. Amplifier & Hub d. All of the above

Description : Which network component/s is/are involved in the Presentation layer of an OSI model? a. Gateway b. Multiplexer & Oscilloscope c. Amplifier & Hub d. All of the above

Last Answer : a. Gateway

The final output of a multiplexer

Description : The final output of a multiplexer

Last Answer : Composite baseband

Which is called superhighway: a. Processor b. Multiplexer c. Backbone bus d. None of these

Description : Which is called superhighway: a. Processor b. Multiplexer c. Backbone bus d. None of these

Last Answer : c. Backbone bus

Implement F(A,B,C,D)= Ʃ (1,3,4,11,12,13,14,15) using multiplexer

Description : Implement F(A,B,C,D)= Ʃ (1,3,4,11,12,13,14,15) using multiplexer

Last Answer : • Implementation • Table • Explanation

. Define multiplexer?

Description : . Define multiplexer?

Last Answer : Multiplexer is a digital switch. If allows digital information from several sources to be routed onto a single output line.

A communication device that combines transmissions from several I/O devices into one line is a A) Concentrator B) Modifier C) Multiplexer D) Full duplex file

Description : A communication device that combines transmissions from several I/O devices into one line is a A) Concentrator B) Modifier C) Multiplexer D) Full duplex file

Last Answer : C) Multiplexer

A communication device that combines transmissions from several I/O devices into one line is a A) Concentrator B) Modifier C) Multiplexer D) Full duplex file

Description : A communication device that combines transmissions from several I/O devices into one line is a A) Concentrator B) Modifier C) Multiplexer D) Full duplex file

Last Answer : C) Multiplexer

The commercially available 8-input multiplexer integrated circuit in the TTL family is (A) 7495. (B) 74153. (C) 74154. (D) 74151.

Description : The commercially available 8-input multiplexer integrated circuit in the TTL family is (A) 7495. (B) 74153. (C) 74154. (D) 74151.

Last Answer : Ans: B MUX integrated circuit in TTL is 74153.

A device which converts BCD to Seven Segment is called (A) Encoder (B) Decoder (C) Multiplexer (D) Demultiplexer

Description : A device which converts BCD to Seven Segment is called (A) Encoder (B) Decoder (C) Multiplexer (D) Demultiplexer

Last Answer : Ans: B A device which converts BCD to Seven Segment is called DECODER. (A decoder coverts binary words into alphanumeric characters.)

The device which changes from serial data to parallel data is (A) COUNTER (B) MULTIPLEXER (C) DEMULTIPLEXER (D) FLIP-FLOP

Description : The device which changes from serial data to parallel data is (A) COUNTER (B) MULTIPLEXER (C) DEMULTIPLEXER (D) FLIP-FLOP

Last Answer : Ans: C The device which changes from serial data to parallel data is demultiplexer. (A demultiplexer takes in data from one line and directs it to any of its N outputs depending on the status of the select inputs.)

Which of the following is a sequential circuit? (A) Multiplexer (B) Decoder (C) Counter (D) Full adder

Description : Which of the following is a sequential circuit? (A) Multiplexer (B) Decoder (C) Counter (D) Full adder

Last Answer : (C) Counter

A multiplexer combines four 100-Kbps channels using a time slot of 2 bits. What is the bit rate? (A) 100 Kbps (B) 200 Kbps (C) 400 kbps (D) 1000 Kbps

Description : A multiplexer combines four 100-Kbps channels using a time slot of 2 bits. What is the bit rate? (A) 100 Kbps (B) 200 Kbps (C) 400 kbps (D) 1000 Kbps

Last Answer : (C) 400 kbps

Define multiplexer. Draw logical symbol of 4:1 multiplexer with truth table and output logical equation

Description : Define multiplexer. Draw logical symbol of 4:1 multiplexer with truth table and output logical equation

Last Answer : Multiplexer - it is a combinational circuit which selects one input from several inputs and connects it to the output.  It is a circuit which has N-input and single output is called as multiplexer.

State the necessity of multiplexer.

Description : State the necessity of multiplexer.

Last Answer : A multiplexer (MUX) is a device that selects one of several inputs and forwards the selected input to a single output. It is necessary in situations where multiple signals need to be transmitted ... shared medium, or to split a single stream into multiple signals for processing by separate devices.

What is the use of a multiplexer?

Description : What is the use of a multiplexer?

Last Answer : Uses of multiplexers are as follows: Multiplexers are use in computer memory. Multiplexers are use for data routing. Multiplexers are use for parallel to serial conversion.

One application of a digital multiplexer is to facilitate:

Description : One application of a digital multiplexer is to facilitate:  (1) Code conversion (2) Parity checking (3) Parallel-to-serial data conversion (4) Data generation

Last Answer : One application of a digital multiplexer is to facilitate: Parallel-to-serial data conversion.

Initially the number decimal 8 is stored. If instruction RAL is executed twice, the final number stored will be:

Description : Initially the number decimal 8 is stored. If instruction RAL is executed twice, the final number stored will be: (1) Decimals 8 (2) Decimal 16 (3) Decimal 32 (4) Decimal 2 

Last Answer : Initially the number decimal 8 is stored. If instruction RAL is executed twice, the final number stored will be: Decimal 32

The number of switching functions of 3 variables is

Description : The number of switching functions of 3 variables is (A) 8 (B) 64 (C) 128 (D) 256

Last Answer : The number of switching functions of 3 variables is  8 

Hexadecimal equivalent of the decimal number 256 is

Description : Hexadecimal equivalent of the decimal number 25610 is

Last Answer : Hexadecimal equivalent of the decimal number 25610 is 10016

The Octal equivalent of HEX and number AB.CD is

Description : The Octal equivalent of HEX and number AB.CD is  (A) 253.314 (B) 253.632 (C) 526.314 (D) 526.632

Last Answer : The Octal equivalent of HEX and number AB.CD is 253.632