The operation represented by parallelograms. a) Input/Output b) Assignment c) Comparison d) Conditions

The operation represented by parallelograms. a) Input/Output b) Assignment c) Comparison d) Conditions
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Answer: a Explanation: The input/output operations are represented by parallelograms. They generally are used to display messages during input and output part of a program
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If the electricity represented by the wave form in 'B' were applied to the left side of the illustrated circuit, the output on the right side would be ____________. EL-0064 A. direct current with the top lead positive with repect to the lower lead B. direct current, half wave rectified with a ripple frequency of 60 hz C. direct current with the top lead negative with repect to the lower lead D. clipped to a value equal to the square root of 3 times the input voltage value

Description : If the electricity represented by the wave form in 'B' were applied to the left side of the illustrated circuit, the output on the right side would be ____________. EL-0064 A. direct current with the ... lower lead D. clipped to a value equal to the square root of 3 times the input voltage value

Last Answer : Answer: C

Find out the incorrect feature of Assembly language among following: a) It is also provided by the manufacturer b) One instruction for each computer operation c) Instruction codes are represented by mnemonics (a set of letters) and the code must be assembled into machine language for execution d) All of the Above e) None of These

Description : Find out the incorrect feature of Assembly language among following: a) It is also provided by the manufacturer b) One instruction for each computer operation c) Instruction codes are represented by mnemonics ... be assembled into machine language for execution d) All of the Above e) None of These

Last Answer : e) None of These

Which are benefit of input/output interrupt: a. It is an external analogy to exceptions b. The processor initiates and perform all I/O operation c. The data is transferred into the memory through interrupt handler d. = Alllof these

Description : Which are benefit of input/output interrupt: a. It is an external analogy to exceptions b. The processor initiates and perform all I/O operation c. The data is transferred into the memory through interrupt handler d. = Alllof these

Last Answer : d. = Alllof these

If the output of a circuit needs to be a complete representation of one-half of the input signal, what class of operation is indicated?

Description : If the output of a circuit needs to be a complete representation of one-half of the input signal, what class of operation is indicated?

Last Answer : Class B operation.

Which of the following are the functions of operating system? i) recovering from errors ii) facilitating input/output iii) facilitating parallel operation iv) sharing hardware among users v) implementing user interface A) i, ii, ii, and v only B) i, ii, iii, and iv only C) ii, iii, iv and v only D) All i, ii, iii, iv and v

Description : Which of the following are the functions of operating system? i) recovering from errors ii) facilitating input/output iii) facilitating parallel operation iv) sharing hardware among users v) implementing user interface A) i, ii, ... only C) ii, iii, iv and v only D) All i, ii, iii, iv and v

Last Answer : D) All i, ii, iii, iv and v

In successive-approximation A/D converter, offset voltage equal to 1/2 LSB is added to the D/A converter’s output. This is done to (A) Improve the speed of operation. (B) Reduce the maximum quantization error. (C) Increase the number of bits at the output. (D) Increase the range of input voltage that can be converted

Description : In successive-approximation A/D converter, offset voltage equal to 1/2 LSB is added to the D/A converter's output. This is done to (A) Improve the speed of operation. (B) Reduce the maximum ... Increase the number of bits at the output. (D) Increase the range of input voltage that can be converted

Last Answer : (B) Reduce the maximum quantization error.

Explain the operation of a full wave bridge rectifier with π filter using a neat diagram. Draw input and output waveforms.

Description : Explain the operation of a full wave bridge rectifier with π filter using a neat diagram. Draw input and output waveforms.

Last Answer : During positive half-cycle of input, the secondary voltage VAB is positive, so diodes D1 and D2 forward biased and D3 and D4 reverse biased. The load current flows from terminal A ... smooth DC voltage appears across the load. The input and output waveforms are shown in the figure.

Classify the power amplifiers on the basis of operation and input/output waveforms.

Description : Classify the power amplifiers on the basis of operation and input/output waveforms.

Last Answer : Depending upon the operation and input/output waveforms power amplifiers are classified into following type. 1) Class A amplifier. 2) Class B amplifier. 3) Class C amplifier. 4) Class AB amplifier. 5) Class D amplifier

One method of troubleshooting digital circuits in a console is to ___________. A. supply alternate logic levels at the input(s) and test for change of state conditions at the output B. ground all inputs and test for a logic '1' at the output C. open all inputs and test for a logic '0' at the output D. vary each input smoothly from 0-10 volts and test for similar variance at the output

Description : One method of troubleshooting digital circuits in a console is to ___________. A. supply alternate logic levels at the input(s) and test for change of state conditions at the output B. ground all ... output D. vary each input smoothly from 0-10 volts and test for similar variance at the output

Last Answer : Answer: A

The 'function generator' of the control circuit illustrated _______________. EL-0095 A. can be programmed to produce a non-linear output for a linear input depending on operating conditions B. is used for controlling relay contacts' positions in selection circuits C. automatically selects which or how many engines are needed for a required vessel speed D. all of the above

Description : The 'function generator' of the control circuit illustrated _______________. EL-0095 A. can be programmed to produce a non-linear output for a linear input depending on operating conditions B. is used for ... which or how many engines are needed for a required vessel speed D. all of the above

Last Answer : Answer: A

Why the input resistance of an ideal OPAMP is infinite and output resistance is zero? secondly, how can we measure these resistances(input and output) in case of an ideal OPAMPand Real OP-AMP in the following conditions when 1- load is not connected. 2- load is connected.

Description : Why the input resistance of an ideal OPAMP is infinite and output resistance is zero? secondly, how can we measure these resistances(input and output) in case of an ideal OPAMPand Real OP-AMP in the following conditions when 1- load is not connected. 2- load is connected.

Last Answer : Ans- Ideal OP-AMP is a power ful concept. If one goes through the history of amplifying devices it becomes clear that less it loads the previous stage better the output signal. ie ... . Can refer application notes by device manufacturer available in internet for more precise and practical solutions.

The output of a JK flipflop with asynchronous preset and clear inputs is ‘1’. The output can be changed to ‘0’ with one of the following conditions. (A) By applying J = 0, K = 0 and using a clock. (B) By applying J = 1, K = 0 and using the clock. (C) By applying J = 1, K = 1 and using the clock. (D) By applying a synchronous preset input.

Description : The output of a JK flipflop with asynchronous preset and clear inputs is 1'. The output can be changed to 0' with one of the following conditions. (A) By applying J = 0, K = 0 and using a clock. (B) ... (C) By applying J = 1, K = 1 and using the clock. (D) By applying a synchronous preset input.

Last Answer : Ans: C Preset state of JK Flip-Flop =1 With J=1 K=1 and the clock next state will be complement of the present state.

The process of the JobTracker creates one map task for each computed input split by the user node and assigns the map tasks to the execution slots of the TaskTrackers is called as a) Task Execution b) Task Running Check c) Job Submission d) Task Assignment

Description : The process of the JobTracker creates one map task for each computed input split by the user node and assigns the map tasks to the execution slots of the TaskTrackers is called as a) Task Execution b) Task Running Check c) Job Submission d) Task Assignment

Last Answer : Task Assignment

In Java variables, if first increment of the variable takes place and then the assignment occurs. This operation is also called ............................. . A) pre increment B) post increment C) incrementation D) pre incrementation

Description : In Java variables, if first increment of the variable takes place and then the assignment occurs. This operation is also called ............................. . A) pre increment B) post increment C) incrementation D) pre incrementation

Last Answer : A) pre increment

Consider the situation in which assignment operation is very costly. Which of the following sorting algorithm should be performed so that the number of assignment operations is minimized in general? a) Insertion sort b) Selection sort c) Heap sort d) None

Description : Consider the situation in which assignment operation is very costly. Which of the following sorting algorithm should be performed so that the number of assignment operations is minimized in general? a) Insertion sort b) Selection sort c) Heap sort d) None

Last Answer : b) Selection sort

An assignment problem is a special case of transportation problem, where a. Number of rows equals number of columns b. All rim conditions are 1 c. Values of each decision variable is either 0 or 1

Description : An assignment problem is a special case of transportation problem, where a. Number of rows equals number of columns b. All rim conditions are 1 c. Values of each decision variable is either 0 or 1

Last Answer : D.variable is either 0 or 1

An assignment problem is considered as a particular case of a transportation problem because a. The number of rows equals columns b. All xij = 0 or 1 c. All rim conditions are 1 d. All of the above

Description : An assignment problem is considered as a particular case of a transportation problem because a. The number of rows equals columns b. All xij = 0 or 1 c. All rim conditions are 1 d. All of the above

Last Answer : d. All of the above

In the given figure , two opposite angles of a parallelograms PQRS are (3x - 4)° and (56 - 3x)° . Find all the angles of given parallelogram . -Maths 9th

Description : In the given figure , two opposite angles of a parallelograms PQRS are (3x - 4)° and (56 - 3x)° . Find all the angles of given parallelogram . -Maths 9th

Last Answer : We know that opposite angles of a paralleloram are equal . ∴ ∠P = ∠R ⇒ 3x - 4 = 56 - 3x ⇒ 6x = 60 ⇒ x = 10 Thus, ∠P = ∠R = 3 10 - 4 = 26° Also, ∠P + ∠Q = 180° [ ... Hence, the four angles of the parallelogram PQRS are 26°, 154°,26° and 154°. We should care our earth to have good eco balance.

Two parallelograms are on equal bases and between the same parallels. -Maths 9th

Description : Two parallelograms are on equal bases and between the same parallels. -Maths 9th

Last Answer : Two Parallelograms on the equal based and between the same parallels are equal in area.

Two parallelograms are on equal bases and between the same parallels. -Maths 9th

Description : Two parallelograms are on equal bases and between the same parallels. -Maths 9th

Last Answer : (b) We know that, parallelogram on the equal bases and between the same parallels are equal in area. So, ratio of their areas is 1 :1.

In figure, ABCD and AEFD are two parallelograms. Prove that ar (APEA) = ar(AQFO). -Maths 9th

Description : In figure, ABCD and AEFD are two parallelograms. Prove that ar (APEA) = ar(AQFO). -Maths 9th

Last Answer : Given, ABCD and AEFD are two parallelograms. To prove ar (APEA) = ar (AQFD) Proof In quadrilateral PQDA, AP || DQ [since, in parallelogram ABCD, AB || CD ] and PQ || AD [since, in parallelogram AEFD ... APFD) = ar (parallelogram AEFD) - ar (quadrilateral APFD) ⇒ ar (AQFD) = ar (APEA) Hence proved.

In the given figure , two opposite angles of a parallelograms PQRS are (3x - 4)° and (56 - 3x)° . Find all the angles of given parallelogram . -Maths 9th

Description : In the given figure , two opposite angles of a parallelograms PQRS are (3x - 4)° and (56 - 3x)° . Find all the angles of given parallelogram . -Maths 9th

Last Answer : We know that opposite angles of a paralleloram are equal . ∴ ∠P = ∠R ⇒ 3x - 4 = 56 - 3x ⇒ 6x = 60 ⇒ x = 10 Thus, ∠P = ∠R = 3 10 - 4 = 26° Also, ∠P + ∠Q = 180° [ ... Hence, the four angles of the parallelogram PQRS are 26°, 154°,26° and 154°. We should care our earth to have good eco balance.

Two parallelograms are on equal bases and between the same parallels. -Maths 9th

Description : Two parallelograms are on equal bases and between the same parallels. -Maths 9th

Last Answer : Two Parallelograms on the equal based and between the same parallels are equal in area.

Two parallelograms are on equal bases and between the same parallels. -Maths 9th

Description : Two parallelograms are on equal bases and between the same parallels. -Maths 9th

Last Answer : (b) We know that, parallelogram on the equal bases and between the same parallels are equal in area. So, ratio of their areas is 1 :1.

In figure, ABCD and AEFD are two parallelograms. Prove that ar (APEA) = ar(AQFO). -Maths 9th

Description : In figure, ABCD and AEFD are two parallelograms. Prove that ar (APEA) = ar(AQFO). -Maths 9th

Last Answer : Given, ABCD and AEFD are two parallelograms. To prove ar (APEA) = ar (AQFD) Proof In quadrilateral PQDA, AP || DQ [since, in parallelogram ABCD, AB || CD ] and PQ || AD [since, in parallelogram AEFD ... APFD) = ar (parallelogram AEFD) - ar (quadrilateral APFD) ⇒ ar (AQFD) = ar (APEA) Hence proved.

In Fig.8.6, BDEF and FDCE are parallelograms.Can you say that BD = CD? -Maths 9th

Description : In Fig.8.6, BDEF and FDCE are parallelograms.Can you say that BD = CD? -Maths 9th

Last Answer : Solution :-

Area of Parallelograms and Triangles Class 9th Formula -Maths 9th

Description : Area of Parallelograms and Triangles Class 9th Formula -Maths 9th

Last Answer : An angle is formed by two rays originating from same point. The rays making an angle are called arms of the angle and the point is called vertex of the angle. Right angle : An angle whose measure ... parallel to each other. Lines which are perpendicular to a given line are parallel to each other.

NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.1 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.1 -Maths 9th

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NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.2 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.2 -Maths 9th

Last Answer : 1. In the figure, ABCD is a parallelogram, AE ⊥ DC and CF ⊥ AD. If AB = 16 cm, AE = 8 cm and CF = 10 cm, find AD. We have AE ⊥ DC and AB = 16 cm ∵ AB = CD [opp. sides of parallelogram ABCD] ∴ ... sow wheat in (ΔPAQ) and pulses in [(ΔAPS) + (ΔQAR)] OR wheat in [(ΔAPS) + (ΔQAR)] and pulses in (ΔPAQ).

NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.3 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.3 -Maths 9th

Last Answer : 1. In the figure, E is any point on median AD of a DABC. Show that ar (ABE) = ar (ACE). We have a ΔABC such that AD is a median. ∴ ar (ΔABD) = ar (ΔADC) ...(1) [∵ A median divides ... from both sides, we get [ar (ΔABD) - ar (ΔAOB)] = [ar (ΔABC) - ar (ΔAOB)] ⇒ ar (ΔAOD) = ar (ΔBOC)

NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.4 -Maths 9th

Description : NCERT Solutions for class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.4 -Maths 9th

Last Answer : 1. Parallelogram ABCD and rectangle ABEF are on the same base AB have equal areas. Show that the perimeter of the parallelogram is greater than that of the rectangle. We have a parallelogram ABCD and rectangle ABEF such that ar ( ... (BCED) = ar (ABMN) + ar (ACFG) [from (5)

If m parallel lines in a plane are intersected by a family of n parallel lines, find the number of parallelograms formed? -Maths 9th

Description : If m parallel lines in a plane are intersected by a family of n parallel lines, find the number of parallelograms formed? -Maths 9th

Last Answer : answer:

Cbqs (case base study ) of chapter 9 Areas of Parallelograms and Triangles of maths class 9th -Maths 9th

Description : Cbqs (case base study ) of chapter 9 Areas of Parallelograms and Triangles of maths class 9th -Maths 9th

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Do parallelograms have no congruent angles?

Description : Do parallelograms have no congruent angles?

Last Answer : Parallelograms normally have 2 congruent obtuse angles and 2 congruent acute angles that altogether add up to 360 degrees

All parallelograms are rectangles Always, Sometimes, or Never?

Description : All parallelograms are rectangles Always, Sometimes, or Never?

Last Answer : why

Which of these statements describe properties of parallelograms?

Description : Which of these statements describe properties of parallelograms?

Last Answer : Opposite sides are parallel, Consecutive angles are supplementary, Opposite angles are congruent, Opposite sides are congruent (APEX)

The C.O.P. of a domestic refrigerator in comparison to domestic air conditioner will be (a) same (b) more (c) less (d) dependent on weather conditions

Description : The C.O.P. of a domestic refrigerator in comparison to domestic air conditioner will be (a) same (b) more (c) less (d) dependent on weather conditions

Last Answer : Ans: c

14) Carrying out experiments in a laboratory setting allows for control of independent variables that might influence the outcome of an experiment. A DISADVANTAGE of the laboratory setting is: A)difficulty in observing subjects and measuring their reactions B)failure to duplicate all the conditions that affect choices in the marketplace C)difficulty gaining the interest and attention of subjects D)its high cost in comparison with field experimentation

Description : 14) Carrying out experiments in a laboratory setting allows for control of independent variables that might influence the outcome of an experiment. A DISADVANTAGE of the laboratory setting is: ... the interest and attention of subjects D)its high cost in comparison with field experimentation

Last Answer : B)failure to duplicate all the conditions that affect choices in the marketplace

Which is the incorrect statement about Carnot cycle?  A. It is used as the alternate standard of comparison of all heat engines.  B. All the heat engines are based on Carnot cycle.  C. It provides concept of maximising work output between the two temperature limits.  D. all of the above

Description : Which is the incorrect statement about Carnot cycle?  A. It is used as the alternate standard of comparison of all heat engines.  B. All the heat engines are based on Carnot cycle.  C. It provides concept of maximising work output between the two temperature limits.  D. all of the above

Last Answer : Answer: B

What is input and output ?

Description : What is input and output ?

Last Answer : Input Unit In order to complete a task with the help of computer, first the computer has to provide the information of that task. This information given to the computer is input . Many ... plate is called output . The devices that produce the results after processing are called output devices .

What is Input / Output statement ?

Description : What is Input / Output statement ?

Last Answer : : You have to create a program to solve any problem through computer. Input statements are statements that are used to provide data to solve a problem with the help of a computer . And ... show the results obtained after solving the problem with the help of computer are called output statements .

Transformation of input into output is performed by? 1) Peripherals 2) Memory 3) Storage 4) The Input-Output unit 5) The CPU

Description : Transformation of input into output is performed by? 1) Peripherals 2) Memory 3) Storage 4) The Input-Output unit 5) The CPU

Last Answer : Answer :5

Data going into the computer is called? 1) Output 2) Algorithm 3) Input 4) Calculations 5) Flowchart

Description : Data going into the computer is called? 1) Output 2) Algorithm 3) Input 4) Calculations 5) Flowchart

Last Answer : Answer :3

A/n Device is any device that provides information, which is sent to the CPU A) Input B) Output C) CPU D) Memory

Description : A/n Device is any device that provides information, which is sent to the CPU A) Input B) Output C) CPU D) Memory

Last Answer : Answer : A

What is a light pen? A) Mechanical Input device B) Optical input device C) Electronic input device D) Optical output device

Description : What is a light pen? A) Mechanical Input device B) Optical input device C) Electronic input device D) Optical output device

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Which converts the user data into machine readable form? A) input unit, output unit, control unit B) central processing unit C) output unit D) decoder unit

Description : Which converts the user data into machine readable form? A) input unit, output unit, control unit B) central processing unit C) output unit D) decoder unit

Last Answer : Answer : A

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Description : Charles Babbage is considered the father of modern computers because A) of his difference engine B) of his analytical engine C) his concept of input, mill and output D) All of above

Last Answer : Answer : C

Charles Babbage was awarded by Royal Society for his A) Difference Engine B) Analytic Engine C) Binary System in Analytic Engine D) His concept of input, mill, output and storage

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Last Answer : Answer : A

What type of device is computer keyboard? A) Memory B) Output C) Storage D) Input

Description : What type of device is computer keyboard? A) Memory B) Output C) Storage D) Input

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Which unit converts user data into machine readable form? A) Input unit B) Output unit C) ALU D) Control Unit

Description : Which unit converts user data into machine readable form? A) Input unit B) Output unit C) ALU D) Control Unit

Last Answer : Answer : A