Digital Assistants Previous Paper 2019

AP Panchayat Secretary Digital Assistants Old Question Papers

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AP Government will be conducting Panchayat Secretary – Digital Assistants (Grade 6) written examination in March 2020. The exam date for new notification has not been mentioned but it is most likely to be held in March as per the sources. Following are the previous questions of PART – B of digital assistants exams held in August / September 2019. We have well prepared online exams/ mock tests package for all Ward Sachivalayam / Grama Sachivalayam posts.

Minimal super key is otherwise known as

  1. candidate key
  2. foreign key
  3. primary key
  4. unique key
    ANSWER: 1

A rectangle in an entity relationship diagram represents

  1. attributes
  2. tables
  3. entity sets
  4. database
    ANSWER: 3

See More Questions of Digital Assistants Part – B

Baud means the

  1. number of bits transmitted per unit time
  2. number of bytes transmitted per unit time
  3. rate at which the signal changes per second
  4. none of the above
    ANSWER: 3

Which protocol is used to convert IP address to MAC address?

  1. IP
  2. RARP
  3. ln ARP
  4. ARP
    ANSWER: 4
Sachivalayam Digital Assistants Model Papers

Class ……… has the greatest number of hosts per given network address

  1. B
  2. A
  3. D
  4. C
    ANSWER: 2

In a CRO, the intensity control regulates the

  1. voltage applied to the cathode
  2. voltage applied to the focusing anode
  3. voltage applied to the accelerating anode
  4. voltage applied to the control grid
    ANSWER: 2

Thermistors have

  1. positive temparature coefficient
  2. negative temparature coefficient
  3. zero temparature coefficient
  4. infinite temparature coefficient
    ANSWER: 1

Which protocol is used to convert IP address to MAC address?

  1. IP
  2. RARP
  3. ln ARP
  4. ARP
    ANSWER: 4

The number of reflectors in Yagi – Uda antenna is / are

  1. one
  2. two
  3. three
  4. four
    ANSWER: 1
Grama Sachivalayam Previous Question Papers and Free Model Exams

The back emf of a dc motor is zero when

  1. the motor is running at its ated speed
  2. the motor is running at 80 % of its rated speed
  3. the motor is about to start
  4. the motor is running at 20 % of its rated speed
    ANSWER: 3

Which of the following is a primary source of energy in a nuclear power station?

  1. uranium
  2. lignite
  3. peat
  4. natural gas
    ANSWER: 1

Which of the following types of plates is used as an earthing electrode?

  1. aluminium
  2. galvanised iron
  3. steel
  4. brass
    ANSWER: 2

Which of the following is used to generate power in a geothermal station?

  1. heat in the air
  2. heat in the ionosphere
  3. heat inside the earth
  4. heat of the sun
    ANSWER: 3

AP Panchayat Secretary Digital Assistants Previous Papers with Answers

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Grama Sachivalayam – Digital Assistant recruitment exam was held in 2019. The 2nd notification for Digital assistants posts was issued in January 2020. Following are questions and answers from the previous paper – 2019 of panchayat secretary – digital assistants. Candidates can avail more questions covering entire syllabus from our mock tests. See details below:

Digital Assistants Online Exams / Mock Tests

Sachivalayam Digital Assistants Model Papers

Previous Questions of Digital Assistants 2019:

A full binary tree with 2n+1 nodes contains

  1. n leaf nodes
  2. n non-leaf nodes
  3. n-1 leaf nodes
  4. n-1n non – leaf nodes
    ANSWER: 1

The total number of different trees that are possible with six nodes is

  1. 64
  2. 4
  3. 58
  4. 12
    ANSWER: 3

Convert the expression (AB) – (CD) / ((F+G) – H)) to equivalent prefix notation.

  1. -*AB / *CD – + FGH
  2. *-AB / *CD +- FGH
  3. –AB / CD – + FGH
  4. -*AB / *CD +- FGH
    ANSWER: 1

The common method used to store a graph is

  1. digraph
  2. stack
  3. adjacency matrix
  4. linked list
    ANSWER: 3

Consider the following program segment
i = 6720, j = 4
while (i%j) = = 0)
{
i = i / j ;
j = j + 1
}
On termination j will have the value

  1. 4
  2. 8
  3. 9
  4. 6720
    ANSWER: 1

What will be the output of the following C code?

include main ( ) {

printf (“% . of”, 2.89);
}

  1. 2.890000
  2. 2.89
  3. 2
  4. 3
    ANSWER: 2

Grama / Ward Sachivalayam Online Exams / Mock Tests for All posts – See Details

Which type of function among the following shows polymorphism?

  1. inline function
  2. virtual function
  3. undefined funcion
  4. class member functions
    ANSWER: 4

Select emp_name from department where dept_name LIKE __ Computer Science; which one of the following has to be included in the blank to select the dept_name which has computer science as its ending string?

  1. %
  2. –
  3. ll
  4. $
    ANSWER: 4

The number of attributes in a relation is called as its

  1. cardinality
  2. degree
  3. tuples
  4. entity
    ANSWER: 4

Start and Stop bits are used in serial communication for

  1. Errod detection
  2. Error correction
  3. Synchronization
  4. Slowing down the communication
    ANSWER: 3

How many IP addresses are available to a company with a class B address

  1. 8192
  2. 16384
  3. 32768
  4. 65536
    ANSWER: 3
Grama Sachivalayam Previous Question Papers and Free Model Exams

__ layer of OSI model is responsible for the process to process delivery of the entire message.

  1. data link layer
  2. network layer
  3. transport layer
  4. session layer
    ANSWER: 4

A cathode ray tube converts

  1. voltage into current
  2. AC voltage into DC voltage
  3. DC voltage into AC voltage
  4. Electrical signals into visual signals
    ANSWER: 2

Figure of merit of a receiver is given as

  1. (SNR)o / (SNR)i
  2. (SNR)i / (SNR)o
  3. (SNR)i (SNR)o
  4. None of the above
    ANSWER: 3

Mixing is used in communication to

  1. raise the carrier frequency
  2. lower the carrier frequency
  3. alter the deviation
  4. change the carrier frequency to any required value
    ANSWER: 1

What device is used to demodulate a time division multiplexed analog wave?

  1. high pass filter
  2. low pass filter
  3. band stop filter
  4. band pass filter
    ANSWER: 4

Which of the following is not an advantage of digital modulation?

  1. greater noise immunity
  2. greater security
  3. easier multiplexing
  4. less band width requirement
    ANSWER: 1

The most commonly used connections for power systems as step up and step down transformers are

  1. star – delta, star – star
  2. delta – star, star – delta
  3. star – star, delta – delta
  4. star – delta, delta – star
    ANSWER: 3

In general daily applications, the electrical fan operates with a —— inductor motor.

  1. single phase
  2. two phase
  3. three phase
  4. poly phase
    ANSWER: 1

Synchronous motors are generally not self starting as

  1. the direction of rotation is not fixed
  2. the direction of instantaneous torque reverses after half cycle
  3. the starters cannot be used on these machines
  4. starting winding is not provided on these machines
    ANSWER: 4
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