Which of the following is/are the components of a CRT ? (a) Electron Gun (b) Control Electrode (c) Focusing Electrode (d) Phosphor Coated Screen Codes : (A) (a) and (d) (B) (a), (b) and (d) (C) (a), (b), (c) and (d) (D) (a), (c) and (d)

Which of the following is/are the components of a CRT ? (a) Electron Gun (b) Control Electrode (c) Focusing Electrode (d) Phosphor Coated Screen Codes : (A) (a) and (d) (B) (a), (b) and (d) (C) (a), (b), (c) and (d) (D) (a), (c) and (d) 
by

1 Answer

Answer :

(C) (a), (b), (c) and (d)
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Related questions

Which of the following statement(s) is/are correct? (1) Persistence is the term used to describe the duration of phosphorescence. (2) The control electrode is used to turn the electron beam on and off. (3) The electron gun creates a source of electrons which are focussed into a narrow beam directed at the face of CRT. (4) All of the above.

Description : Which of the following statement(s) is/are correct? (1) Persistence is the term used to describe the duration of phosphorescence. (2) The control electrode is used to turn the electron beam on and off. (3) ... which are focussed into a narrow beam directed at the face of CRT. (4) All of the above. 

Last Answer : All of the above.

Which of the following is not a part of a CRT? (1) Phosphor screen (2) Shadow mask (3) Electron gun (4) Gas plasma

Description : Which of the following is not a part of a CRT? (1) Phosphor screen (2) Shadow mask (3) Electron gun (4) Gas plasma

Last Answer : (4) Gas plasma Explanation: The cathode ray tube (CRT) is a vacuum tube containing an electron gun (a source of electrons or electron emitter) and a fluorescent screen used to view images. Colour tubes ... stripes (as in aperture grille designs) or clusters called "triads" (as in shadow mask CRTs).

Which of the following is not a part of a CRT ? (1) Phosphor screen (2) Shadow mask (3) Electron gun (4) Gas plasma

Description : Which of the following is not a part of a CRT ? (1) Phosphor screen (2) Shadow mask (3) Electron gun (4) Gas plasma

Last Answer : Gas plasma

Which of the following is/are the principle components of a memorytube display ? (a) Flooding gun (b) Collector (c) Phosphorus grains (d) Ground Codes : (A) (a) and (b) (B) (c) only (C) (d) only (D) All the above

Description : Which of the following is/are the principle components of a memorytube display ? (a) Flooding gun (b) Collector (c) Phosphorus grains (d) Ground Codes : (A) (a) and (b) (B) (c) only (C) (d) only (D) All the above

Last Answer : (D) All the above

The electron beam in a CRT is made to sweep from left to right across the screen. What tube element causes this sweeping motion?

Description : The electron beam in a CRT is made to sweep from left to right across the screen. What tube element causes this sweeping motion?

Last Answer : The horizontal-deflection plate.

What term is used for the ability of a spot on a CRT screen to continue to glow after the electron bean has struck it and moved away?

Description : What term is used for the ability of a spot on a CRT screen to continue to glow after the electron bean has struck it and moved away?

Last Answer : Persistence.

This part of utility software is used to prevent phosphor burning on computer monitors by blanking the screen with moving images. -Technology

Description : This part of utility software is used to prevent phosphor burning on computer monitors by blanking the screen with moving images. -Technology

Last Answer : (d) Screensavers fill the computer screen with moving images or patterns, when the computer is not in use.

Beam-penetration and shadow-mask are the two basic techniques for producing color displays with a CRT. Which of the following is not true ? I. The beam-penetration is used with random scan monitors. II. Shadow-mask is used in raster scan systems. III. Beam-penetration method is better than shadow-mask method. IV. Shadow-mask method is better than beam-penetration method. (A) I and II (B) II and III (C) III only (D) IV only

Description : Beam-penetration and shadow-mask are the two basic techniques for producing color displays with a CRT. Which of the following is not true ? I. The beam-penetration is used with random scan monitors. II. Shadow-mask is used ... -penetration method. (A) I and II (B) II and III (C) III only (D) IV only

Last Answer : (C) III only

“The conservation projects are now focusing on biodiversity rather than on a few of its components.” Explain. -SST 10th

Description : “The conservation projects are now focusing on biodiversity rather than on a few of its components.” Explain. -SST 10th

Last Answer : (i) Inclusion of small insects and other animals in planning : Under the new plans, even insects and other smaller species of animals are beginning to find a place in conservation planning. (ii) New ... In 1991, for the first time, plants were also added to the list, starting with six species.

For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of (a) silver or platinum (b) platinum or zinc (c) silicon or platinum (d) gold or tungsten.

Description : For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of (a) silver or platinum (b) platinum or zinc (c) silicon or platinum (d) gold or tungsten.

Last Answer : (d) gold or tungsten.

For transfomation, micro-particles coated with DNA to be bombarded with gene gun are made up of (1) Gold or Tungsten (2) Silver or Platinum (3) Platinum or Zinc (4) Silicon or Platinum

Description : For transfomation, micro-particles coated with DNA to be bombarded with gene gun are made up of (1) Gold or Tungsten (2) Silver or Platinum (3) Platinum or Zinc (4) Silicon or Platinum

Last Answer : (1) Gold or Tungsten

What type of deflection is preferred for a crt electron beam?

Description : What type of deflection is preferred for a crt electron beam?

Last Answer : . Electromagnetic.

FAN IN of a component A is defined as (A) Number of components that can call or pass control to component A. (B) Number of components that are called by component A. (C) Number of components related to component A. (D) Number of components dependent on component A.

Description : FAN IN of a component A is defined as (A) Number of components that can call or pass control to component A. (B) Number of components that are called by component A. (C) Number of components related to component A. (D) Number of components dependent on component A.

Last Answer : (A) Number of components that can call or pass control to component A.

Is there a way to fix a deep scratch in a CRT tv screen?

Description : Is there a way to fix a deep scratch in a CRT tv screen?

Last Answer : there isint a way sorry

Why should I switch from using my normal CRT screen to an LCD screen?

Description : Why should I switch from using my normal CRT screen to an LCD screen?

Last Answer : LCD monitors are aesthetically very pleasing to the eye being slim and stylish. There is no comparison with the CRT here. LCD monitors are extremely economical when it comes to power consumption. ... hands down in this department. They offer almost twice the brightness compared to the CRT monitor.

In applications where electronic waveforms are displayed on a CRT screen, the input signal is normally applied to what CRT element?

Description : In applications where electronic waveforms are displayed on a CRT screen, the input signal is normally applied to what CRT element?

Last Answer : The vertical-deflection plate.

Draw the construction of CRT. Write two materials used for CRT display screen.

Description : Draw the construction of CRT. Write two materials used for CRT display screen. 

Last Answer : Two materials used for CRT display screen: The role of this part is to display where the electrons are hitting the CRT. It is a screen coated with a material that emits light when struck by electrons. Zinc sulphide or Phosphorus are two commonly used materials. 

If the distance of screen from a CRT to center of deflection plates is 15 cm, the length of

Description : If the distance of screen from a CRT to center of deflection plates is 15 cm, the length of deflection plates is 2 cm, the distance between the plates is 1 cm and accelerating voltage is 500 V, deflection sensitivity is   (a) 33.2 V/cm (b) 0.03 cm/V (c) 66.4 V/cm (d) 0.015 cm/V

Last Answer : If the distance of screen from a CRT to center of deflection plates is 15 cm, the length of deflection plates is 2 cm, the distance between the plates is 1 cm and accelerating voltage is 500 V, deflection sensitivity is 0.03 cm/V

The term PVC used in the plastic industry stands for - (1) polyvinyl chloride (2) polyvinyl carbonate (3) phosphor vanadium chloride (4) phosphavinyl chloride

Description : The term PVC used in the plastic industry stands for - (1) polyvinyl chloride (2) polyvinyl carbonate (3) phosphor vanadium chloride (4) phosphavinyl chloride

Last Answer : (1) polyvinyl chloride Explanation: Polyvinyl chloride is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene. About 40 million tones are produced per year.

When replacing component 'B' of the circuit shown in the illustration, it is important to know that ____________. EL-0081 A. it is polarity sensitive and must be inserted as indicated on its base B. there is a danger of phosphor poisoning should 'B''s bulb break C. component 'D' must be closed during the replacement to provide the capacitor's initial charge D. it must match the circuit voltage and component 'C' wattage

Description : When replacing component 'B' of the circuit shown in the illustration, it is important to know that ____________. EL-0081 A. it is polarity sensitive and must be inserted as indicated on its ... provide the capacitor's initial charge D. it must match the circuit voltage and component 'C' wattage

Last Answer : Answer: D

When changing out component 'B' of the circuit shown in the illustration, it is important to know that ____________. EL-0081 A. it is polarity sensitive and must be inserted as indicated on its base B. there is a danger of phosphor poisoning should 'B''s bulb break C. component 'D' must be closed during the replacement to provide the capacitor's initial charge D. it must match the circuit voltage and component 'C' wattage

Description : When changing out component 'B' of the circuit shown in the illustration, it is important to know that ____________. EL-0081 A. it is polarity sensitive and must be inserted as indicated on its ... provide the capacitor's initial charge D. it must match the circuit voltage and component 'C' wattage

Last Answer : Answer: D

When maintaining the circuit shown in the illustration, what dangers are associated with component 'C' should it become broken? EL-0081 A. Glass fragments may cut a person's skin. B. The contained mercury vapor is highly toxic. C. The inside coating of phosphor is highly poisonous. D. All of the above.

Description : When maintaining the circuit shown in the illustration, what dangers are associated with component 'C' should it become broken? EL-0081 A. Glass fragments may cut a person's skin. B. The contained mercury ... highly toxic. C. The inside coating of phosphor is highly poisonous. D. All of the above.

Last Answer : Answer: D

The term PVC used in the plastic industry stands for-------? A. Phosphavinyl chloride B. Phosphor vanadiu chloride C. Polyvinyl chloride (Answer) D. Polyvinyl carbobate

Description : The term PVC used in the plastic industry stands for-------? A. Phosphavinyl chloride B. Phosphor vanadiu chloride C. Polyvinyl chloride (Answer) D. Polyvinyl carbobate

Last Answer : C. Polyvinyl chloride (Answer)

Compute the maximum shearing stress developed in a phosphor bronze spring having mean diameter of 200 mm and consisting of 24 turns of 20-mm diameter wire when the spring is stretched 100 mm. and G = 42 GPa. a. 51 MPa b. 31.89 MPa c. 80 MPa d. 70 MPa

Description : Compute the maximum shearing stress developed in a phosphor bronze spring having mean diameter of 200 mm and consisting of 24 turns of 20-mm diameter wire when the spring is stretched 100 mm. and G = 42 GPa. a. 51 MPa b. 31.89 MPa c. 80 MPa d. 70 MPa

Last Answer : b. 31.89 MPa

A data file of 1,00,000 characters contains only the characters g-l, with the frequencies as indicated in table: using the variable-length code by Huffman codes, the file can be encoded with (A) 2,52,000 bits (B) 2,64,000 bits (C) 2,46,000 bits (D) 2,24,000 bits

Description : A data file of 1,00,000 characters contains only the characters g-l, with the frequencies as indicated in table:  using the variable-length code by Huffman codes, the file can be encoded with (A) 2,52,000 bits (B) 2,64,000 bits (C) 2,46,000 bits (D) 2,24,000 bits

Last Answer : (D) 2,24,000 bits 

Which one of the following describes the syntax of prolog program ? I. Rules and facts are terminated by full stop (.) II. Rules and facts are terminated by semicolon (;) III. Variables names must start with upper case alphabets. IV. Variables names must start with lower case alphabets. Codes : (A) I, II (B) III, IV (C) I, III (D) II, IV

Description : Which one of the following describes the syntax of prolog program ? I. Rules and facts are terminated by full stop (.) II. Rules and facts are terminated by semicolon (;) III. Variables names must start with upper case alphabets. ... alphabets. Codes : (A) I, II (B) III, IV (C) I, III (D) II, IV

Last Answer : (C) I, III

Which of the following steps is/are not required for analog to digital conversion ? (a) Sensing (b) Conversion (c) Amplification (d) Conditioning (e) Quantization Codes : (A) (a) and (b) (B) (c) and (d) (C) (a), (b) and (e) (D) None of the above

Description : Which of the following steps is/are not required for analog to digital conversion ? (a) Sensing (b) Conversion (c) Amplification (d) Conditioning (e) Quantization Codes : (A) (a) and (b) (B) (c) and (d) (C) (a), (b) and (e) (D) None of the above

Last Answer : (D) None of the above

Which of the following is/are correct with reference to Abstract class and interface ? (a) A class can inherit only one Abstract class but may inherit several interfaces. (b) An Abstract class can provide complete and default code but an interface has no code. Codes : (A) (a) is true (B) (b) is true (C) Both (a) and (b) are true (D) Neither (a) nor (b) is true

Description : Which of the following is/are correct with reference to Abstract class and interface ? (a) A class can inherit only one Abstract class but may inherit several interfaces. (b) An Abstract class can provide complete and default ... true (C) Both (a) and (b) are true (D) Neither (a) nor (b) is true

Last Answer : Answer: C

Which of the following statements are true with reference to the way of describing XML data ? (a) XML uses DTD to describe the data (b) XML uses XSL to describe the data (c) XML uses a description node to describe the data Codes : (A) (a) only (B) (b) only (C) (a) and (b) (D) (a) and (c)

Description : Which of the following statements are true with reference to the way of describing XML data ? (a) XML uses DTD to describe the data (b) XML uses XSL to describe the data (c) XML uses a description node to describe the data Codes : (A) (a) only (B) (b) only (C) (a) and (b) (D) (a) and (c)

Last Answer : Answer: D

Javascript and Java has similar name because ........... is/are true. (a) Javascripts syntax is loosely based on Java’s syntax (b) Javascript is stripped down version of Java (c) Java and Javascript are originated from Island of Java Codes : (A) (a) only (B) (a), (b) and (c) (C) (a) and (b) (D) (a) and (c)

Description : Javascript and Java has similar name because ........... is/are true. (a) Javascripts syntax is loosely based on Java's syntax (b) Javascript is stripped down version of Java (c) Java and Javascript are originated from Island of Java ... only (B) (a), (b) and (c) (C) (a) and (b) (D) (a) and (c)

Last Answer : Answer: A

Which of the following graphic primitives are considered as the basic building blocks of computer graphics ? (a) Points (b) Lines (c) Polylines (d) Polygons Codes : (A) (a) only (B) (a) and (b) (C) (a), (b) and (c) (D) (a), (b), (c) and (d)

Description : Which of the following graphic primitives are considered as the basic building blocks of computer graphics ? (a) Points (b) Lines (c) Polylines (d) Polygons Codes : (A) (a) only (B) (a) and (b) (C) (a), (b) and (c) (D) (a), (b), (c) and (d)

Last Answer : Answer: B

What will be the hexadecimal value in the register ax (32-bit) after executing the following instructions? Mov al, 15 Mov ah, 15 Xor al, al Mov cl, 3 Shr ax, cl Codes: (A) 0F00 h (B) 0F0F h (C) 01E0 h (D) FFFF h

Description : What will be the hexadecimal value in the register ax (32-bit) after executing the following instructions? Mov al, 15 Mov ah, 15 Xor al, al Mov cl, 3 Shr ax, cl Codes: (A) 0F00 h (B) 0F0F h (C) 01E0 h (D) FFFF h

Last Answer : (C) 01E0 h

Which of the following property/ies a Group G must hold, in order to be an Abelian group? (a) The distributive property (b) The commutative property (c) The symmetric property Codes: (A) (a) and (b) (B) (b) and (c) (C) (a) only (D) (b) only

Description : Which of the following property/ies a Group G must hold, in order to be an Abelian group? (a) The distributive property (b) The commutative property (c) The symmetric property Codes: (A) (a) and (b) (B) (b) and (c) (C) (a) only (D) (b) only

Last Answer : Answer: D

Which of the following arguments are not valid? (a) “If Gora gets the job and works hard, then he will be promoted. If Gora gets promotion, then he will be happy. He will not be happy, therefore, either he will not get the job or he will not work hard”. (b) “Either Puneet is not guilty or Pankaj is telling the truth. Pankaj is not telling the truth, therefore, Puneet is not guilty”. (c) If n is a real number such that n>1, then n2>1. Suppose that n2>1, then n>1. Codes: (A) (a) and (c) (B) (b) and (c) (C) (a), (b) and (c) (D) (a) and (b)

Description : Which of the following arguments are not valid? (a) If Gora gets the job and works hard, then he will be promoted. If Gora gets promotion, then he will be happy. He will not be happy, therefore, either he will not get the job or he ... and (c) (B) (b) and (c) (C) (a), (b) and (c) (D) (a) and (b)

Last Answer : Answer: B Explanation: (a) P: Gora gets the job  Q: Gora works hard  R: Gora gets promotion  S: Gora will be happy The argument can bet written as  (P˄Q)→R  R→S  ¬S ... also be written as: ((P˅Q)˄¬P)→Q where P, and Q are propositions expressed in some formal system.

Which of the following is used for the boundary representation of an image object? (A) Quad Tree (B) Projections (C) Run length coding (D) Chain codes

Description : Which of the following is used for the boundary representation of an image object? (A) Quad Tree (B) Projections (C) Run length coding (D) Chain codes

Last Answer : (D) Chain codes

Match the following types of variables with the corresponding programming languages: (a) Static variables (i) Local variables in Pascal (b) Stack dynamic (ii) All variables in APL (c) Explicit heap dynamic (iii) Fortran 77 (d) Implicit heap dynamic (iv) All objects in JAVA Codes: (a) (b) (c) (d) (A) (i) (iii) (iv) (ii) (B) (iv) (i) (iii) (ii) (C) (iii) (i) (iv) (ii) (D) (ii) (i) (iii) (iv)

Description : Match the following types of variables with the corresponding programming languages: (a) Static variables (i) Local variables in Pascal (b) Stack dynamic (ii) All variables in APL (c) Explicit heap dynamic (iii) Fortran 77 (d) Implicit ... (ii) (C) (iii) (i) (iv) (ii) (D) (ii) (i) (iii) (iv)

Last Answer : (C) (iii) (i) (iv) (ii) 

A smart classroom is a teaching space which has (i) Smart portion with a touch panel control system. (ii) PC/Laptop connection and DVD/VCR player. (iii) Document camera and specialized software (iv) Projector and screen Select the correct answer from the codes given below: (A) (i) and (ii) only (B) (ii) and (iv) only (C) (i), (ii) and (iii) only (D) (i), (ii), (iii) and (iv)

Description : A smart classroom is a teaching space which has (i) Smart portion with a touch panel control system. (ii) PC/Laptop connection and DVD/VCR player. (iii) Document camera and specialized software (iv) Projector and screen Select the ... (C) (i), (ii) and (iii) only (D) (i), (ii), (iii) and (iv)

Last Answer : Answer: B

…………………. is a group of interested components working together towards a common goal by accepting inputs and producing outputs in an organized transformation process. A) System B) Network C) Team D) System Unit

Description : …………………. is a group of interested components working together towards a common goal by accepting inputs and producing outputs in an organized transformation process. A) System B) Network C) Team D) System Unit

Last Answer : A) System

The components of IP security includes …………………. A) Authentication Header (AH) B) Encapsulating Security Payload (ESP) C) Internet key Exchange (IKE) D) All of the above

Description : The components of IP security includes …………………. A) Authentication Header (AH) B) Encapsulating Security Payload (ESP) C) Internet key Exchange (IKE) D) All of the above

Last Answer : D) All of the above

How many edges must be removed to produce the spanning forest of a graph with N vertices, M edges and C connected components? (A) M+N-C (B) M-N-C (C) M-N+C (D) M+N+C

Description : How many edges must be removed to produce the spanning forest of a graph with N vertices, M edges and C connected components? (A) M+N-C (B) M-N-C (C) M-N+C (D) M+N+C

Last Answer : (C) M-N+C

Given a flow graph with 10 nodes, 13 edges and one connected components, the number of regions and the number of predicate (decision) nodes in the flow graph will be (A) 4, 5 (B) 5, 4 (C) 3, 1 (D) 13, 8

Description : Given a flow graph with 10 nodes, 13 edges and one connected components, the number of regions and the number of predicate (decision) nodes in the flow graph will be (A) 4, 5 (B) 5, 4 (C) 3, 1 (D) 13, 8

Last Answer : (B) 5, 4

The “part-whole”, or “a-part-of”, relationship in which objects representing the components of something associated with an object representing the entire assembly is called as (A) Association (B) Aggregation (C) Encapsulation (D) Generalisation

Description : The “part-whole”, or “a-part-of”, relationship in which objects representing the components of something associated with an object representing the entire assembly is called as (A) Association (B) Aggregation (C) Encapsulation (D) Generalisation

Last Answer : (B) Aggregation

The software ................. of a program or a computing system is the structure or structures of the system, which comprise software components, the externally visible properties of those components, and the relationships among them. (A) Design (B) Architecture (C) Process (D) Requirement

Description : The software ................. of a program or a computing system is the structure or structures of the system, which comprise software components, the externally visible properties of those components, and the relationships among them. (A) Design (B) Architecture (C) Process (D) Requirement

Last Answer : (B) Architecture

Which of the following statements is false? (A) Optimal binary search tree construction can be performed efficiently using dynamic programming. (B) Breadth-first search cannot be used to find connected components of a graph. (C) Given the prefix and postfix walks of a binary tree, the tree cannot be reconstructed uniquely. (D) Depth-first-search can be used to find the components of a graph. (1) A (2) B (3) C (4) D

Description : Which of the following statements is false? (A) Optimal binary search tree construction can be performed efficiently using dynamic programming. (B) Breadth-first search cannot be used to find connected components of a graph. (C) ... used to find the components of a graph. (1) A (2) B (3) C (4) D 

Last Answer : Answer: 2

Electron are emitted from an electron gun at almost zero velocity and are accelerated by an electric field `E` through a distance of `1.0m` The electr

Description : Electron are emitted from an electron gun at almost zero velocity and are accelerated by an electric field `E` through a distance of `1.0m` The electr

Last Answer : Electron are emitted from an electron gun at almost zero velocity and are accelerated by an electric field ... .5 nm` may be emitted by the hydrogen?