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

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

1 Answer

Answer :

(C) Counter
by

Related questions

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

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

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

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 BCD adder to add two decimal digits needs minimum of (A) 6 full adders and 2 half adders (B) 5 full adders and 3 half adders (C) 4 full adders and 3 half adders (D) 5 full adders and 2 half adders

Description : The BCD adder to add two decimal digits needs minimum of (A) 6 full adders and 2 half adders (B) 5 full adders and 3 half adders (C) 4 full adders and 3 half adders (D) 5 full adders and 2 half adders

Last Answer : (D) 5 full adders and 2 half adders

Consider a full-adder with the following input values: (a) x=1, y=0 and Ci(carry input) = 0 (b) x=0, y=1 and Ci = 1 Compute the values of S(sum) and C0 (carry output) for the above input values. (A) S=1 , C0= 0 and S=0 , C0= 1 (B) S=0 , C0= 0 and S=1 , C0= 1 (C) S=1 , C0= 1 and S=0 , C0= 0 (D) S=0 , C0= 1 and S=1 , C0= 0

Description : Consider a full-adder with the following input values: (a) x=1, y=0 and Ci(carry input) = 0 (b) x=0, y=1 and Ci = 1 Compute the values of S(sum) and C0 (carry output) for the above input values. (A) S=1 , C0= 0 and ... C0= 1 (C) S=1 , C0= 1 and S=0 , C0= 0 (D) S=0 , C0= 1 and S=1 , C0= 0

Last Answer : (A) S=1 , C0= 0 and S=0 , C0= 1

What are the final values of Q1 and Q0 after 4 clock cycles, if initial values are 00 in the sequential circuit shown below: Image (A) 11 (B) 10 (C) 01 (D) 00

Description : What are the final values of Q1 and Q0 after 4 clock cycles, if initial values are 00 in the sequential circuit shown below: (A) 11 (B) 10 (C) 01 (D) 00

Last Answer : (D) 00

The output of a sequential circuit depends on (A) present input only (B) past input only (C) both present and past input (D) past output only

Description : The output of a sequential circuit depends on (A) present input only (B) past input only (C) both present and past input (D) past output only

Last Answer : (C) both present and past input

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 size of the ROM required to build an 8-bit adder/subtractor with mode control, carry input, carry output and two’s complement overflow output is given as

Description : The size of the ROM required to build an 8-bit adder/subtractor with mode control, carry input, carry output and two’s complement overflow output is given as

Last Answer : (B) 218 × 10

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

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

………………… is a full form of SQL. A) Standard query language B) Sequential query language C) Structured query language D) Server side query language

Description : ………………… is a full form of SQL. A) Standard query language B) Sequential query language C) Structured query language D) Server side query language

Last Answer : A) Standard query language

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.)

What is the difference between a sequential file and a random file?

Description : What is the difference between a sequential file and a random file?

Last Answer : Ans: Sequential file access is the method employed in tape drives where the files are access in a sequential manner. So if you have to get a file in the end of the tape you have to start ... Disks and Optical drives, wherever the files is placed it will go to that particular place and retrieve it.

Data store in a DFD represents. A) a sequential file B) a disk store C) a repository of data

Description : Data store in a DFD represents. A) a sequential file B) a disk store C) a repository of data

Last Answer : C) a repository of data

The advantage of …………….. is that they solve the problem if sequential storage representation. But disadvantage in that is they are sequential lists. A) Lists B) Linked Lists C) Trees D) Queues

Description : The advantage of …………….. is that they solve the problem if sequential storage representation. But disadvantage in that is they are sequential lists. A) Lists B) Linked Lists C) Trees D) Queues

Last Answer : B) Linked Lists

The number of comparisons done by sequential search is ……………… A) (N/2)+1 B) (N+1)/2 C) (N-1)/2 D) (N+2)/2

Description : The number of comparisons done by sequential search is ……………… A) (N/2)+1 B) (N+1)/2 C) (N-1)/2 D) (N+2)/2

Last Answer : B) (N+1)/2

In the ………………… mode any record in the file can be accessed at random A) Sequential access B) Random access C) Standard access D) Source access

Description : In the ………………… mode any record in the file can be accessed at random A) Sequential access B) Random access C) Standard access D) Source access

Last Answer : B) Random access

HSAM stands for ………. A) Hierarchic Sequential Access Method B) Hierarchic Standard Access Method C) Hierarchic Sequential and Method D) Hierarchic Standard and Method

Description : HSAM stands for ………. A) Hierarchic Sequential Access Method B) Hierarchic Standard Access Method C) Hierarchic Sequential and Method D) Hierarchic Standard and Method

Last Answer : A) Hierarchic Sequential Access Method

………. contains data assisting day to day activities of the organization. A) Control database B) Operational database C) Strategic database D) Sequential database

Description : ………. contains data assisting day to day activities of the organization. A) Control database B) Operational database C) Strategic database D) Sequential database

Last Answer : B) Operational database

Which of the following is not a type of Database Management System? (A) Hierarchical (B) Network (C) Relational (D) Sequential

Description : Which of the following is not a type of Database Management System? (A) Hierarchical (B) Network (C) Relational (D) Sequential 

Last Answer : (D) Sequential

A software design is highly modular if : (A) cohesion is functional and coupling is data type. (B) cohesion is coincidental and coupling is data type. (C) cohesion is sequential and coupling is content type. (D) cohesion is functional and coupling is stamp type.

Description : A software design is highly modular if : (A) cohesion is functional and coupling is data type. (B) cohesion is coincidental and coupling is data type. (C) cohesion is sequential and coupling is content type. (D) cohesion is functional and coupling is stamp type.

Last Answer : (A) cohesion is functional and coupling is data type.

A full adder logic circuit will have (A) Two inputs and one output. (B) Three inputs and three outputs. (C) Two inputs and two outputs. (D) Three inputs and two outputs.

Description : A full adder logic circuit will have (A) Two inputs and one output. (B) Three inputs and three outputs. (C) Two inputs and two outputs. (D) Three inputs and two outputs.

Last Answer : Ans: D A full adder circuit will add two bits and it will also accounts the carry input generated in the previous stage. Thus three inputs and two outputs (Sum and Carry) are there.

A full adder is a combinational circuit that performs the arithmetic sum of three input bits and produces a

Description : A full adder is a combinational circuit that performs the arithmetic sum of three input bits and produces a (a) sum output (b) sum output and a carry (c) sum output with two carries (d) two sums with two carries

Last Answer : A full adder us an a combination logical circuit which will produces an sum and carry when ever more than two inputs were given.

What type of adder is used to handle a carry from a previous circuit?

Description : What type of adder is used to handle a carry from a previous circuit?

Last Answer : Full adder.

What is the difference between a summing amplifier and an adder circuit?

Description : What is the difference between a summing amplifier and an adder circuit?

Last Answer : The adder simply adds the input signals together while the summing amplifier multiplies the sum of the input signals by the gain of circuit.

Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier. a. Circuit A has more gates than circuit B b. Circuit B has more gates than circuit A c. Circuit A has the same number of gates as circuit B

Description : Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier. a. Circuit A has more gates than circuit B b. Circuit B has more gates than circuit A c. Circuit A has the same number of gates as circuit B

Last Answer : a. Circuit A has more gates than circuit

Describe how Op-Amp is used as adder using circuit diagram and output voltage equation.

Description : Describe how Op-Amp is used as adder using circuit diagram and output voltage equation.

Last Answer : Summing Amplifier Circuit In this simple summing amplifier circuit, the output voltage, ( Vout ) now becomes proportional to the sum of the input voltages, V1, V2, V3, etc. Then we can ... to the non-inverting input of the op-amp, it will produce the positive sum of the input voltages.

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

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.

The number of flip-flops required to design a modulo-272 counter is: (A) 8 (B) 9 (C) 27 (D) 11

Description : The number of flip-flops required to design a modulo-272 counter is: (A) 8 (B) 9 (C) 27 (D) 11

Last Answer : 9

Define Half adder and full adder

Description : Define Half adder and full adder

Last Answer : The logic circuit that performs the addition of two bits is a half adder. The circuit that performs the addition of three bits is a full adder.

Define half adder and full adder

Description : Define half adder and full adder

Last Answer : The logic circuit that performs the addition of two bits is a half adder. The circuit that performs the addition of three bits is a full adder.

Define Asynchronous sequential circuit?

Description : Define Asynchronous sequential circuit?

Last Answer : In asynchronous sequential circuits change in input signals can affect memory element at any instant of time.

Define synchronous sequential circuit

Description : Define synchronous sequential circuit

Last Answer : In synchronous sequential circuits, signals can affect the memory elements only at discrete instant of time.

What is a sequential circuit and What is a combinational circuit?Is there any difference between them? If yes what is it?

Description : What is a sequential circuit and What is a combinational circuit?Is there any difference between them? If yes what is it?

Last Answer : Ans-Combinational circuit are those whose output depends only upon the present inputs but in sequential circuit the output depends upon both present and past inputs. that is the difference.

What is a sequential circuit and What is a combinational circuit? Is there any difference between them? If yes what is it?

Description : What is a sequential circuit and What is a combinational circuit? Is there any difference between them? If yes what is it?

Last Answer : Ans-Combinational circuit are those whose output depends only upon the present inputs but in sequential circuit the output depends upon both present and past inputs. that is the difference Combinational ... the feedback path. Ex of SEQ Circuit: Encoder Decoder etc Ex of Comb Circuit; Flipflop

the number of columns in a state table for a sequential circuit with m flip-flops and n inputs is.

Description : the number of columns in a state table for a sequential circuit with m flip-flops and n inputs is.

Last Answer : Ans-Its 2m+2n because.. If there are m flip-flops there should be 2m nodes. If there are n inputs then each node will have 2n.

Design a asynchronous sequential circuit with 2 inputs T and C. The output attains a value of 1 when T = 1 & c moves from 1 to 0. Otherwise the output is 0

Description : Design a asynchronous sequential circuit with 2 inputs T and C. The output attains a value of 1 when T = 1 & c moves from 1 to 0. Otherwise the output is 0

Last Answer : • Obtain the state diagram • Obtain the flow table • Using implication table reduce the flow table • Using merger graph obtain maximal compatibles • Verify closed & covered conditions • Plot the reduced flow table • Obtain transition table • Excitation table • Logic diagram

Compare combinational logic circuit and sequential logic circuit

Description : Compare combinational logic circuit and sequential logic circuit

Last Answer : Combinational logic Sequential logic The combinational logic circuit consists of logic gate only Sequential logic circuit consists of combinational logic circuit along with memory for storage of ... , multiplexer, demultiplexer etc E.g. counters, shift registers flip-flop etc

The sequential circuit latch is

Description : The sequential circuit latch is (A) sensitive to the level of the control signal (B) sensitive to the level of the input data (C) sensitive to the rising of the control signal (D) sensitive to the falling of the control signal

Last Answer : The sequential circuit latch is sensitive to the level of the control signal

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

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

What is an adder ?

Description : What is an adder ?

Last Answer : The cooperative circuit with which the addition is done is called adder.

Are adder omnivore?

Description : Are adder omnivore?

Last Answer : The one native poisonous British snake is the Common European viper (Vipera berus). Commonly known in Britain as the Adder, it is a carnivore.

What category are cobra lizard adder and copra called?

Description : What category are cobra lizard adder and copra called?

Last Answer : Feel Free to Answer