JAWAHAR NAVODAYA VIDYALAYA , Mohindergarh
UNIT TEST II                                                                                                                                                M.M. 40
CLASS XII                                                      SUB - COMPUTER SCIENCE.                                             TIME - 90 MINS
YOUR NAME *
CLASS *
YOUR EMAIL ID *
ROLL NO. *
Q1 Data structure stack is also known as __________ list. *
1 point
Q2 Act of adding values in to a stack is known as ________ *
1 point
Q3 The postfix form of A*B+C/D is__________
1 point
Clear selection
Q4 Which of the following statement(s) about stack data structure is/are NOT correct? *
1 point
Q4 What is the value of the postfix expression : 6 3 2 4 + - *
2 points
Clear selection
Q5 The equivalent infix expression for given postfix expression : a,b, AND,a,c,AND,OR is _____________
2 points
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Q6 Consider the following operations performed on a STACK of size 5: Push(1);Pop();Push(2);Push(3);Pop();Push(4);Pop();Pop();Push(50); After the completion of all the operations, number of elements present on the stack are?
2 points
Clear selection
Q7 Predict the output of the following code :LA = [1,4,9,16,25,36,49,64,81,100]     LB= [num/3 for num in LA if num%3==0]      print(LB)
2 points
Clear selection
Q8 TRUE or FALSE : Popping from an empty Stack will result an error?
1 point
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Q9 TRUE of FALSE : For converting an infix expression to a postfix form , Queues are used?
1 point
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Q10 Which of the following Python concepts/types are most commonly used to implement data structures stack?
1 point
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Q11 Which of the following is / are applications of Stacks?
1 point
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Q.12 Computer Network is - *
1 point
Q. 13 Each IP packet must contain *
1 point
Q. 14 Which of the following is not the Networking Devices? *
1 point
Q. 15 What does Router do in a network? *
1 point
Q.16 Which of this is not a guided media ? *
1 point
Q. 17 ) Data communication system within a building or campus is *
1 point
Q. 18 FTP stands for *
1 point
Q. 19 If all devices are connected to a central hub, then topology is called *
1 point
Q. 20 Which of the following is/ are the drawbacks of Ring Topology? *
2 points
Q.21 What is the name of the network topology in which there are bi-directional links between each possible node? *
1 point
Q. 22 ……..combines characteristics of linear bus and star topologies. *
1 point
Q. 23 Network device which connects dissimilar network - *
2 points
Q. 24 Data is converted in a form so as to travel over telephone lines using this device - *
2 points
Q. 25 A hub can be replaced with a switch - *
1 point
Q. 26 Which transmission media is capable of heaving a much higher bandwidth (data capicity )- *
2 points
Q. 27 Which of the following protocol sends electronic mail to the receiver’s end? *
1 point
Q.28 Trine Tech Corporation (TTC) is a professional consultancy company. The company is planning to set up their new offices in India with its hub at Hyderabad. As a network adviser, you have to understand their requirement and suggest them the best available solutions. Their queries are mentioned as (i) to (iv) below.
Captionless Image
Clear selection
28(i) What will be the most appropriate block, where TTC should plan to install their server? *
1 point
28(ii)Which of the following device will be suggested by you to connect each computer in each of the buildings: *
1 point
28(iii)Which type of network out of the following is formed by connecting the computers of these three blocks?
1 point
Clear selection
28(iv) What will be the best possible connectivity out of the following, you will suggest to connect the new setup of offices in Bangalore with its London based office: *
1 point
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