Digital Assistants Grade 6 Model Papers

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

Panchayat Secretary Grade 6 – Digital Assistants Previous Paper

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AP Grama Sachivalayam / Ward Sachivalayam new notification is out in January 2020 for more than 16000 vacancies in various categories. Panchayat Secretary Grade 6 – Digital Assistants vacancies are there in all districts of AP. Following are questions appeared in Digital Assistants exam 2019. Candidates those appearing for this exam in 2020 can check the questions and answers given below.

A full binary tree with 2n+1 nodes contains

In series circuits, the expression for quality factor is

  1. fr
  2. Band width (BW)
  3. fr / BW
  4. BW / fr
    ANSWER: 3
Sachivalayam Digital Assistants Model Papers
See Complete Details of Online Exams

Zenor diode is used as

  1. Rectifier
  2. Amplifier
  3. Regulator
  4. Oscillator
    ANSWER: 3

The cross over distortion is due to

  1. power supply fluctuation
  2. cut-in voltage of transistor
  3. bias voltage
  4. input signal
    ANSWER: 2

A ………. process generates I/C requests infrequently using more of its time doing computations.

  1. I/O bound
  2. Swapped
  3. Mixed
  4. CPU-bound
    ANSWER: 4

Paging involves breaking logical memory into blocks of same size called as

  1. pages
  2. segments
  3. fragments
  4. frames
    ANSWER: 1

The desirable criteria for CPU scheduling algorithm is

  1. maximise CPU utilisation and minimise response time
  2. maximise CPU utilisation and maximise response time
  3. minimise CPU utilisation and minimise response time
  4. minimise CPU utilisation and maximise response time
    ANSWER: 1

Round Robin Scheduling

  1. allows interactive tasks quicker access to the processor
  2. is quire complex to implement
  3. gives each task the same chance at the processor
  4. allows processor – bound tasks more time in the processor
    ANSWER: 3
Grama Sachivalayam Previous Question Papers and Free Model Exams

……….. approach structures the operating system by removing all non-essential components from the kernel and implementing them as system and user – level programs.

  1. monolithic kernel
  2. micro kernel
  3. macro kernel
  4. mini kernel
    ANSWER: 2

Which of the following Gates are used as basic building blocks?

  1. AND, OR and NOT
  2. NAND and NOR
  3. X-OR and X-NOR
  4. AND and NAND
    ANSWER: 1

Convert binary to hexadecimal (111111110010)2

  1. (EE 2)16
  2. (FF 2)16
  3. (EF2)16
  4. (FD 2)16
    ANSWER: 2

How many AND gates and OR gates are required to realise Y = CD + EF +G?

  1. 3 OR gates, 2 AND gates
  2. 2 OR gates, 2 AND gates
  3. 3 OR gates, 3 AND gates
  4. 1 AND gate, 3 OR gates
    ANSWER: 2

The number of bits in operation code required for a computer with 64 distinct operation is

  1. 64
  2. 06
  3. 32
  4. 05
    ANSWER: 2

The operation performed in each clock pulse is called

  1. micro operation
  2. micro instruction
  3. micro program
  4. macro instruction
    ANSWER: 1

………… converts the programs written in assembly language into machine language

  1. compiler
  2. interpreter
  3. linker
  4. assembler
    ANSWER: 4

The address of operand’s address is available in instruction. This address mode is called as

  1. direct addressing mode
  2. register addressing mode
  3. register indirect addressing mode
  4. indirect addressing mode
    ANSWER: 4

Reverse Polish notation is often called

  1. Postfix
  2. prefix
  3. infix
  4. none of the above
    ANSWER: 1

Prefix of A-B / C*D $ E is

  1. – / * $ A C B D E
  2. / – A B C D * $ D E
  3. – A * / B C $ D E
  4. – A / B C * $ D E
    ANSWER: 3

main ( ) {
int i = 5;
print f “%d”, i = + + i = = 6);
}
The output is

  1. 1
  2. 5
  3. 6
  4. 0
    ANSWER: 1

By default any real number in C is treated as

  1. a float
  2. a double
  3. a long double
  4. a real
    ANSWER: 2

Which of the following operators can not be overloaded?

  1. [ ]
    1. – >
  2. ? :
  3. *
    ANSWER: 3

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
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