Description : Which of the following statements create a dictionary? a) d = {} b) d = {“john”:40, “peter”:45} c) d = {40:”john”, 45:”peter”} d) All of the mentioned
Last Answer : A
Description : Suppose d = {“john”:40, “peter”:45}. To obtain the number of entries in dictionary which command do we use? a) d.size() b) len(d) c) size(d) d) d.len()
Last Answer : b) len(d)
Description : Suppose d = { john :40, peter :45}, what happens when we try to retrieve a value using the expression d[ susan ]? a) Since susan is not a value in the set, Python raises a KeyError ... Python raises a KeyError exception d) Since susan is not a key in the set, Python raises a syntax error
Last Answer : c) Since “susan” is not a key in the set, Python raises a KeyError exception
Description : What will be the output? d = {"john":40, "peter":45} print(list(d.keys())) a) [“john”, “peter”]. b) [“john”:40, “peter”:45]. c) (“john”, “peter”) d) (“john”:40, “peter”:45)
Last Answer : a) [“john”, “peter”].
Description : Suppose d = {“john”:40, “peter”:45}, to delete the entry for “john” what command do we use a) d.delete(“john”:40) b) d.delete(“john”) c) del d[“john”]. d) del d(“john”:40)
Last Answer : c) del d[“john”].
Description : What is the output? d = {"john":40, "peter":45} d["john"] a) 40 b) 45 c) “john” d) “peter”
Last Answer : a) 40
Description : What will be the output? d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} d1 > d2 a) True b) False c) Error d) None
Last Answer : c) Error
Description : What will be the output? d1 = {"john":40, "peter":45} Page No 40 d2 = {"john":466, "peter":45} d1 == d2 a) True b) False c) None d) Error
Last Answer : b) False
Description : What will be the output? d = {"john":40, "peter":45} "john" in d a) True b) False c) None d) Error
Last Answer : a) True
Description : Read the code shown below carefully and pick out the keys? d = {"john":40, "peter":45} a) “john”, 40, 45, and “peter” b) “john” and “peter” c) 40 and 45 d) d = (40:”john”, 45:”peter”)
Last Answer : b) “john” and “peter”
Description : What will be the output? d = {"john":40, "peter":45} d["john"] a) 40 b) 45 c) “john” d) “peter”
Description : What will be the output of the following Python code? d = {"john":40, "peter":45} d["john"] a) 40 b) 45 c) “john” d) “peter”
Last Answer : Answer: a Explanation: Execute in the shell to verify.
Description : What will be the output of the following Python code snippet? d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} d1 > d2 a) True b) False c) Error d) None
Last Answer : Answer: c Explanation: Arithmetic > operator cannot be used with dictionaries.
Description : What will be the output of the following Python code snippet? d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} d1 == d2 a) True b) False c) None d) Error
Last Answer : Answer: b Explanation: If d2 was initialized as d2 = d1 the answer would be true.
Description : What will be the output of the following Python code snippet? d = {"john":40, "peter":45} "john" in d a) True b) False c) None d) Error
Last Answer : Answer: a Explanation: In can be used to check if the key is int dictionary.
Description : What will be the output of the following Python code snippet? d = {"john":40, "peter":45} a) “john”, 40, 45, and “peter” b) “john” and “peter” c) 40 and 45 d) d = (40:”john”, 45:”peter”)
Last Answer : Answer: b Explanation: Dictionaries appear in the form of keys and values.
Description : The age of Discontinuity‘ (1969) has been authored by A. John Drydon B. Cyril Debydeen C. Peter F. Drucker D. None of these
Last Answer : C. Peter F. Drucker
Description : In a fully-connected mesh network with 10 computers, total .............. number of cables are required and ................ number of ports are required for each device. (A) 40, 9 (B) 45, 10 (C) 45, 9 (D) 50, 10
Last Answer : (C) 45, 9
Description : Which of the following commands will create a list? a) list1 = list() b) list1 = []. c) list1 = list([1, 2, 3]) d) all of the mentioned
Last Answer : d) all of the mentioned
Description : DDS stands for ………………… A) Data Data Systems B) Data Digital System C) Data Dictionary Systems D) Digital Data Service
Last Answer : C) Data Dictionary Systems
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} print(a.setdefault(3)) a) {1: ‘A’, 2: ‘B’, 3: ‘C’} b) C c) {1: 3, 2: 3, 3: 3} d) No method called setdefault() exists for dictionary
Last Answer : b) C
Description : Which of the following is not a declaration of the dictionary? a) {1: ‘A’, 2: ‘B’} b) dict([[1,”A”],[2,”B”]]) c) {1,”A”,2”B”} d) { }
Last Answer : c) {1,”A”,2”B”}
Description : Data Integrity control uses ................ (A) Upper and lower limits on numeric data. (B) Passwords to prohibit unauthorised access to files. (C) Data dictionary to keep the data (D) Data dictionary to find last access of data
Last Answer : (B) Passwords to prohibit unauthorised access to files.
Description : Data which improves the performance and accessibility of the database are called: (A) Indexes (B) User Data (C) Application Metadata (D) Data Dictionary
Last Answer : (A) Indexes
Description : A software program that infers and manipulates existing knowledge in order to generate new knowledge is known as: (A) Data Dictionary (B) Reference Mechanism (C) Inference Engine (D) Control Strategy
Last Answer : (C) Inference Engine
Description : From the given data below: a b b a a b b a a b which one of the following is not a word in the dictionary created by LZ-coding (the initial words are a, b)? (1) a b (2) b b (3) b a (4) b a a b
Last Answer : (4) b a a b
Description : Which of the following is/are the DDL statements? A) Create B) Drop C) Alter D) All of the above
Last Answer : D) All of the above
Description : Consider the following two statements : (a) Data scrubling is a process to upgrade the quality of data, before it is moved into Data warehouse. (b) Data scrubling is a process of rejecting data from data warehouse to create ... true (C) Both (a) and (b) are false (D) Both (a) and (b) are true
Last Answer : (A) (a) is true, (b) is false
Description : Why was the case of John Peter Zenger important?
Last Answer : Need answer
Description : Why was the case of John peter zenger was important because?
Description : What did John have in common with Andrew and peter?
Last Answer : They all came from Bethsaida in Galilee.They were all fishermen.They were all disciples of Jesus.
Description : What was John Peter Zenger and occupation?
Last Answer : What is the answer ?
Description : He served as a secret agent under the name Peter John Rule and helped the resistance movement in China, Burma, and French Indochina. In 1943, he was captured by Vichy France loyalists on ... severe hardship and forced labour. These experiences formed the foundation of his famous 1952 work. Who?
Last Answer : Pierre Boulle.
Description : Who among the following propounded the concept of paradigm? (A) Peter Haggett (B) Von Thunen (C) Thomas Kuhn (D) John K. Wright
Last Answer : (C) Thomas Kuhn
Description : Who of the following pairs of Nobel Laureates in Physics was awarded 2010 Nobel Prize? (1) John C Mather, George F. Smoot (2) Albert Fert, Peter Grunberg (3) David Gross, Frank Wilczek (4) Andre Geim, Konstantin Novoselov
Last Answer : Andre Geim, Konstantin Novoselov
Description : Catholics:Where is Peter Apostle mentioned as the Rock in the Old Testament? I see that reference to the Lord and Lord alone!
Last Answer : Where are any apostles mentioned in the OT, dingus?
Description : Suppose t = (1, 2, 4, 3), which of the following is incorrect? a) print(t[3]) b) t[3] = 45 c) print(max(t)) d) print(len(t))
Last Answer : b) t[3] = 45
Description : Suppose that the number of instructions executed between page faults is directly proportional to the number of page frames allocated to a program. If the available memory is doubled, the mean interval between page faults is also ... memory were available? (A) 60 sec (B) 30 sec (C) 45 sec (D) 10 sec
Last Answer : Answer: C Explanation: T = Ninstr x 1µs + 15,000 x 2,000 µs = 60s Ninstr x 1µs = 60,000,000 µs - 30,000,000 µs = 30,000,000 µs Ninstr = 30,000,000 The number of instruction ... doesn't mean that the program runs twice as fast as on the first system. Here, the performance increase is of 25%.
Description : Consider a disk queue with I/O requests on the following cylinders in their arriving order: 6,10,12,54,97,73,128,15,44,110,34,45 The disk head is assumed to be at cylinder 23 and moving in the direction ... . The disk head movement using SCAN-scheduling algorithm is: (1) 172 (2) 173 (3) 227 (4) 228
Last Answer : (2) 173
Description : Write a program in Python Pandas to create the following DataFrame batsman from a Dictionary: B_NO Name Score1 Score2 -Technology
Last Answer : Alternative Answer
Description : Python: how to create a dictionary using two lists -Web-Development
Last Answer : answer:
Description : Create a Python dictionary from the data in a CSV file -Web-Development
Description : Create a CSV file to save a Python dictionary -Web-Development
Description : How to create a new empty dictionary in Python? -Web-Development
Description : Which of the following cloud concept is related to pooling and sharing of resources? a) Polymorphism b) Abstraction c) Virtualization d) None of the mentioned
Last Answer : Virtualization
Description : Suppose list1 is [4, 2, 2, 4, 5, 2, 1, 0], which of the following is correct syntax for slicing operation? a) print(list1[0]) b) print(list1[:2]) c) print(list1[:-2]) d) all of the mentioned
Description : What is the output of the following? print("xyyzxyzxzxyy".count('yy', 2)) a) 2 b) 0 c) 1 d) none of the mentioned
Last Answer : c)
Description : What is the output of the following? print("xyyzxyzxzxyy".count('yy', 1)) a) 2 b) 0 c) 1 d) none of the mentioned
Last Answer : a) 2
Description : What is the output of the following? print("xyyzxyzxzxyy".count('yy')) a) 2 b) 0 Page No 23 c) error d) none of the mentioned
Description : What arithmetic operators cannot be used with strings ? a) + b) * c) – d) All of the mentioned
Last Answer : c) –