Description : What is the output when following code is executed ? >>>str1="helloworld" >>>str1[::-1] a) dlrowolleh b) hello c) world d) helloworld
Last Answer : a) dlrowolleh
Description : What is the output when we execute list(“hello”)? a) [‘h’, ‘e’, ‘l’, ‘l’, ‘o’]. b) [‘hello’]. c) [‘llo’]. d) [‘olleh’].
Last Answer : a) [‘h’, ‘e’, ‘l’, ‘l’, ‘o’].
Description : hat is the output when following code is executed ? >>>print r"\nhello" The output is a) a new line and hello b) \nhello c) the letter r and then hello d) error
Last Answer : d) error
Description : What will be the output of the following segment of the program? main( ) { char *s = “hello world”; int i = 7; printf(“%, *s”, i, s); } (A) Syntax error (B) hello w (C) hello (D) o world
Last Answer : Answer: Marks given to all
Description : What is the output of the following piece of code when executed in Python shell? >>> a=("Check")*3 >>> a a) (‘Check’,’Check’,’Check’) b) * Operator not valid for tuples c) (‘CheckCheckCheck’) d) Syntax erro
Last Answer : c) (‘CheckCheckCheck’)
Description : What is the output when following code is executed ? >>>list1 = [11, 2, 23] >>>list2 = [11, 2, 2] >>>list1 < list2 is a) True b) False c) Error d) None
Last Answer : b) False
Description : What is the output when following code is executed ? names1 = ['Amir', 'Bear', 'Charlton', 'Daman'] names2 = names1 names3 = names1[:] names2[0] = 'Alice' names3[1] = 'Bob' sum = 0 for ls in (names1, names2, names3): ... if ls[1] == 'Bob': sum += 10 print sum a) 11 b) 12 c) 21 d) 22
Last Answer : d) 22
Description : What is the output when following code is executed ? >>>names = ['Amir', 'Bear', 'Charlton', 'Daman'] >>>print(names[-1][-1]) a) A b) Daman c) Error d) n
Last Answer : b) Daman
Description : What is the output when following statement is executed ? >>> print(‘x\97\x98’) a) Error b) 97 98 c) x\97 d) \x97\x98
Last Answer : c) x\97
Description : What is the output when following statement is executed ? >>>print('new' 'line') a) Error b) Output equivalent to print ‘new\nline’ Page No 22 c) newline d) new line
Last Answer : c) newline
Description : What is the output when following statement is executed ? >>>"abcd"[2:] a) a b) ab c) cd d) dc
Last Answer : c) cd
Description : What will be the output at PORT1 if the following program is executed? MVI B, 82H MOV A, B MOV C, A MVI D, 37H OUT PORT1 HLT (A) 37H (B) 82H (C) B9H (D) 00H
Last Answer : Answer: B Explanation: In 8085 programming, the result of an operation is stored in the accumulator. So output is 82H.
Description : When the following code is executed what will be the value of x and y? int x = 1, y=0; y = x++; (A) 2, 1 (B) 2, 2 (C) 1, 1 (D) 1, 2
Last Answer : (A) 2, 1
Description : Consider a discrete memoryless channel and assume that H(x) is the amount of information per symbol at the input of the channel; H(y) is the amount of information per symbol at the output of the channel; H(x|y) is the amount of uncertainty ... (H(x) - H(x|y))] p(x) (D) max H(x|y) p(x)
Last Answer : (D) max H(x|y) p(x)
Description : A ………………… attaches itself to executable files and replicates, when the infected program is executed, by finding other executable files to infect. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus
Last Answer : C) Parasitic Virus
Description : In process scheduling, ………………… determines which ready process will be executed next by processor. A) long term scheduling B) medium term scheduling C) short term scheduling D) none of the above
Last Answer : C) short term scheduling
Description : Process is ........................ A) A program in execution B) An instance of a program running on a computer. C) The entity that can be assigned to and executed D) All of the above.
Last Answer : D) All of the above.
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 : 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 : Suppose list Example is [‘h’,’e’,’l’,’l’,’o’], what is len(list Example)? a) 5 b) 4 c) None d) Error
Last Answer : a) 5
Description : For a B-tree of height h and degree t, the total CPU time used to insert a node is (A) O(h log t) (B) O(t log h) (C) O(t2h) (D) O(th)
Last Answer : (D) O(th)
Description : Given the symbols A, B, C, D, E, F, G and H with the probabilities 1/30, 1/30, 1/30, 2/30, 3/30, 5/30, 5/30 and 12/30 respectively. The average Huffman code size in bits per symbol is: (A) 67/30 (B) 70/34 (C) 76/30 (D) 78/30
Last Answer : (C) 76/30
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} a.clear() print(a) a) None b) { None:None, None:None, None:None} c) {1:None, 2:None, 3:None} d) { }
Last Answer : d) { }
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} b={4:"D",5:"E"} a.update(b) print(a) a) {1: ‘A’, 2: ‘B’, 3: ‘C’} b) Method update() doesn’t exist for dictionaries c) {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’, 5: ‘E’} d) {4: ‘D’, 5: ‘E’}
Last Answer : c) {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’, 5: ‘E’}
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} a.setdefault(4,"D") print(a) a) {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’}. b) None. c) Error.
Last Answer : a) {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’}.
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 : What is the output of the following code? a={1:"A",2:"B",3:"C"} print(a.get(5,4)) a) Error, invalid syntax b) A c) 5 d) 4
Last Answer : d) 4
Description : What is the output of the following piece of code? a={1:"A",2:"B",3:"C"} print(a.get(1,4)) a) 1 b) A c) 4
Last Answer : b) A
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} for i,j in a.items(): print(i,j,end=" ") a) 1 A 2 B 3 C b) 1 2 3 c) A B C d) 1:”A” 2:”B” 3:”C”
Last Answer : a) 1 A 2 B 3 C
Description : What is the output of the following piece of code? >>> a=(0,1,2,3,4) >>> b=slice(0,2) >>> a[b] a) Invalid syntax for slicing b) [0,2]. c) (0,1) d) (0,2)
Last Answer : c) (0,1)
Description : What is the output of the following code? >>> a=(2,3,4) >>> sum(a,3) a) Too many arguments for sum() method b) The method sum() doesn’t exist for tuples c) 12 d) 9
Last Answer : c) 12
Description : What is the output of the following code? >>> a=(1,2,3,4) >>> del(a[2]) a) Now, a=(1,2,4) b) Now, a=(1,3,4) c) Now a=(3,4) d) Error as tuple is immutable
Last Answer : d) Error as tuple is immutable
Description : What is the output of the following code? >>> a=(1,2,(4,5)) >>> b=(1,2,(3,4)) >>> a
Last Answer : a) False
Description : What will be the output of the following ‘C’ code ? main ( ) { int x = 128; printf (“\n%d”, 1 + x++); } (A) 128 (B) 129 (C) 130 (D) 131
Last Answer : (B) 129
Description : To remove string “hello” from list1, we use which command ? a) list1.remove(“hello”) b) list1.remove(hello) c) list1.removeAll(“hello”) d) list1.removeOne(“hello”)
Last Answer : d) list1.removeOne(“hello”)
Description : What is the output when following statement is executed ? >>>"a"+"bc" a) a b) bc c) bca d) abc
Last Answer : b) bc
Description : Which one of the following statements is false regarding the Distributed Cache? a) The Hadoop framework will ensure that any files in the Distributed Cache are distributed to all map and reduce tasks. b) ... Cache on to the slave node before any tasks for the job are executed on that node.
Last Answer : MapReduce tries to place the data and the compute as close as possible
Description : What will be the final value of variable x after the following code is executed: -Technology
Last Answer : The value is:1
Description : What values will be displayed in JOptionPane when the following code is executed? -Technology
Last Answer : No value will be displayed in JOptionPane because it will give exception in thread ‘main’ due to null.
Description : What will be the values of i and z after the following code is executed : -Technology
Last Answer : Value of i = 10Value of z = 5
Description : What will be displayed in jTextFieldl and jTextField2 after the following code is executed : -Technology
Last Answer : OutputjTextFieldl will contain value = 12jTextField2 will contain value = 13
Description : ……………. are not machine instructions and therefore, Java interpreter generates machine code that can be directly executed by the machine that is running the Java program. A) Compiled Instructions B) Compiled code C) byte code D) Java mid code
Last Answer : C) byte code
Description : A compiler is used to convert the following to object code which can be executed (A) High-level language (B) Low-level language (C) Assembly language (D) Natural language
Last Answer : (A) High-level language
Description : The height of h(A) of a fuzzy set A is defined as h(A) = sup A(x) xϵA Then the fuzzy set A is called normal when (A) h(A) = 0 (B) h(A) < 0 (C) h(A) = 1 (D) h(A) < 1
Last Answer : (C) h(A) = 1
Description : If h* represents an estimate of the cost of getting from the current node N to the goal node and h represents actual cost of getting from current node to the goal node, then A* algorithm gives an optimal solution ... h* us equal to h (B) h* overestimates h (C) h* underestimates h (D) none of these
Last Answer : (C) h* underestimates h
Description : If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n ≤ m, the expected number of collisions involving a particular key K is (A) less than 1 (B) less than lg n (C) greater than 1 (D) greater than lg n
Last Answer : (A) less than 1
Description : Consider f(N) = g(N) + h(N) Where function g is a measure of the cost of getting from the start node to the current node N and h is an estimate of additional cost of getting from the current ... ? (A) A* algorithm (B) AO* algorithm (C) Greedy best first search algorithm (D) Iterative A* algorithm
Last Answer : (C) Greedy best first search algorithm
Description : Consider a hash table of size m=100 and the hash function h(k) = floor(m(kA mod 1)) for A = (√5 − 1)/2 = 0.618033. Compute the location to which the key k = 123456 is placed in hash table. (A) 77 (B) 82 (C) 88 (D) 89
Last Answer : (C) 88
Description : The RST 7 instruction in 8085 microprocessor is equivalent to: (A) CALL 0010 H (B) CALL 0034 H (C) CALL 0038 H (D) CALL 003C H
Last Answer : (C) CALL 0038 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