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

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
by

1 Answer

Answer :

c) (‘CheckCheckCheck’)
by

Related questions

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 exception b) It is executed fine and no exception is raised, and it returns None c) Since “susan” is not a key in the set, Python raises a KeyError exception d) Since “susan” is not a key in the set, Python raises a syntax error

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

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)

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)

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

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

Consider the following database table : Create table test( one integer, two integer, primary key(one), unique(two), check(one≥1 and ≤10), check(two≥1 and ≤5) ); How many data records/tuples atmost can this table contain ? (A) 5 (B) 10 (C) 15 (D) 50

Description : Consider the following database table : Create table test( one integer, two integer, primary key(one), unique(two), check(one≥1 and ≤10), check(two≥1 and ≤5) ); How many data records/tuples atmost can this table contain ?  (A) 5 (B) 10 (C) 15 (D) 50

Last Answer : (A) 5 

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

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

What will be the output of the following Python code? nums = set([1,1,2,3,3,3,4,4])print(len(nums)) a) 7 b) Error, invalid syntax for formation of set c) 4 d) 8

Description : What will be the output of the following Python code? nums = set([1,1,2,3,3,3,4,4])print(len(nums)) a) 7 b) Error, invalid syntax for formation of set c) 4 d) 8

Last Answer : Answer: c Explanation: A set doesn’t have duplicate items.

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

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

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[0] == 'Alice': sum += 1 if ls[1] == 'Bob': sum += 10 print sum a) 11 b) 12 c) 21 d) 22

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

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

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

What is the output when following code is executed ? >>>str1="helloworld" >>>str1[::-1] a) dlrowolleh b) hello c) world d) helloworld

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

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

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

What is the output when following code is executed ? >>> str1 = 'hello' >>> str2 = ',' >>> str3 = 'world' >>> str1[-1:] a) olleh b) hello c) h d) o

Description : What is the output when following code is executed ? >>> str1 = 'hello' >>> str2 = ',' >>> str3 = 'world' >>> str1[-1:] a) olleh b) hello c) h d) o

Last Answer : b) hello

Is the following piece of code valid? >>> a=(1,2,3,4) >>> del a a) No because tuple is immutable b) Yes, first element in the tuple is deleted c) Yes, the entire tuple is deleted

Description : Is the following piece of code valid? >>> a=(1,2,3,4) >>> del a a) No because tuple is immutable b) Yes, first element in the tuple is deleted c) Yes, the entire tuple is deleted

Last Answer : c) Yes, the entire tuple is deleted

An Assertion is a predicate expressing a condition we wish database to always satisfy. The correct syntax for Assertion is : (A) CREATE ASSERTION ‘ASSERTION Name’ CHECK ‘Predicate’ (B) CREATE ASSERTION ‘ASSERTION NAME’ (C) CREATE ASSERTION, CHECK Predicate (D) SELECT ASSERTION

Description : An Assertion is a predicate expressing a condition we wish database to always satisfy. The correct syntax for Assertion is : (A) CREATE ASSERTION ‘ASSERTION Name’ CHECK ‘Predicate’ (B) CREATE ASSERTION ‘ASSERTION NAME’ (C) CREATE ASSERTION, CHECK Predicate (D) SELECT ASSERTION

Last Answer : (A) CREATE ASSERTION ‘ASSERTION Name’ CHECK ‘Predicate’ 

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

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

What is the output of the following program ? (Assume that the appropriate pre-processor directives are included and there is no syntax error) main() { char S[ ] = "ABCDEFGH"; printf ("%C",* (& S[3])); printf ("%s", S+4); printf ("%u", S); /* Base address of S is 1000 */ } (A) ABCDEFGH1000 (B) CDEFGH1000 (C) DDEFGHH1000 (D) DEFGH1000

Description : What is the output of the following program ? (Assume that the appropriate pre-processor directives are included and there is no syntax error) main() { char S[ ] = "ABCDEFGH"; printf ("%C",* (& ... Base address of S is 1000 */ } (A) ABCDEFGH1000 (B) CDEFGH1000 (C) DDEFGHH1000 (D) DEFGH1000

Last Answer : (D) DEFGH1000

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

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

Which phase of compiler generates stream of atoms ? (A) Syntax analysis (B) Lexical Analysis (C) Code generation (D) Code optimization

Description : Which phase of compiler generates stream of atoms ? (A) Syntax analysis (B) Lexical Analysis (C) Code generation (D) Code optimization 

Last Answer : (A) Syntax analysis

What is the output when following statement is executed ? >>> print(‘x\97\x98’) a) Error b) 97 98 c) x\97 d) \x97\x98

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

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

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

What is the output when following statement is executed ? >>>"abcd"[2:] a) a b) ab c) cd d) dc

Description : What is the output when following statement is executed ? >>>"abcd"[2:] a) a b) ab c) cd d) dc

Last Answer : c) cd

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

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.

The number of attributes in relation is called as its ..................... A) Cardinality B) Degree C) Tuples D) Entity

Description : The number of attributes in relation is called as its ..................... A) Cardinality B) Degree C) Tuples D) Entity

Last Answer : B) Degree

An instance of a relation is a time varying set of …………………. A) Tuples B) Rows C) Both of them D) None of them

Description : An instance of a relation is a time varying set of …………………. A) Tuples B) Rows C) Both of them D) None of them

Last Answer : C) Both of them

The number of tuples in a relation is called its …………. While the number of attributes in a relation is called it’s ……………….. A) Degree, Cardinality B) Cardinality, Degree C) Rows, Columns

Description : The number of tuples in a relation is called its …………. While the number of attributes in a relation is called it’s ……………….. A) Degree, Cardinality B) Cardinality, Degree C) Rows, Columns

Last Answer : B) Cardinality, Degree

In a relational model, relations are termed as (A) Tuples. (B) Attributes (C) Tables. (D) Rows.

Description : In a relational model, relations are termed as (A) Tuples. (B) Attributes (C) Tables. (D) Rows.

Last Answer : (C) Tables

In the relational modes, cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints

Description : In the relational modes, cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints

Last Answer : (A) Number of tuples

What type of data is: a=[(1,1),(2,4),(3,9)]? a) Array of tuples b) List of tuples c) Tuples of lists d) Invalid type

Description : What type of data is: a=[(1,1),(2,4),(3,9)]? a) Array of tuples b) List of tuples c) Tuples of lists d) Invalid type

Last Answer : b) List of tuples

Which of the following statements is FALSE about weak entity set ? (A) Weak entities can be deleted automatically when their strong entity is deleted. (B) Weak entity set avoids the data duplication and consequent possible inconsistencies caused by duplicating the key of the strong entity. (C) A weak entity set has no primary keys unless attributes of the strong entity set on which it depends are included. (D) Tuples in a weak entity set are not partitioned according to their relationship with tuples in a strong entity set.

Description : Which of the following statements is FALSE about weak entity set ? (A) Weak entities can be deleted automatically when their strong entity is deleted. (B) Weak entity set avoids the data ... weak entity set are not partitioned according to their relationship with tuples in a strong entity set.

Last Answer : (D) Tuples in a weak entity set are not partitioned according to their relationship with tuples in a strong entity set.

Suppose ORACLE relation R(A, B) currently has tuples {(1, 2), (1, 3), (3, 4)} and relation S(B, C) currently has {(2, 5), (4, 6), (7, 8)}. Consider the following two SQL queries SQ1 and SQ2 : SQ1 : Select * From R Full Join S On R.B=S.B; SQ2 : Select * From R Inner Join S On R.B=S.B; The numbers of tuples in the result of the SQL query SQ1 and the SQL query SQ2 are given by : (A) 2 and 6 respectively (B) 6 and 2 respectively (C) 2 and 4 respectively (D) 4 and 2 respectively

Description : Suppose ORACLE relation R(A, B) currently has tuples {(1, 2), (1, 3), (3, 4)} and relation S(B, C) currently has {(2, 5), (4, 6), (7, 8)}. Consider the following two SQL queries SQ1 and SQ2 ... (A) 2 and 6 respectively (B) 6 and 2 respectively (C) 2 and 4 respectively (D) 4 and 2 respectively

Last Answer : (D) 4 and 2 respectively

Consider the following two commands C1 and C2 on the relation R from an SQL database: C1: drop table R; C2: delete from R; Which of the following statements is TRUE? I. Both C1 and C2 delete the schema for R. II. C2 retains relation R, but deletes all tuples in R. III. C1 deletes not only all tuples of R, but also the schema for R. (A) I only (B) I and II only (C) II and III only (D) I, II and III

Description : Consider the following two commands C1 and C2 on the relation R from an SQL database:  C1: drop table R; C2: delete from R; Which of the following statements is TRUE? I. Both C1 and C2 delete the schema for R. II. C2 ... R. (A) I only (B) I and II only (C) II and III only (D) I, II and III

Last Answer : (C) II and III only

In a relational database model, NULL values can be used for all but which one of the following? (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL. (B) To avoid confusion with actual legitimate data values like 0 (zero) for integer columns and ‘’ (the empty string) for string columns. (C) To leave columns in a tuple marked as “unknown” when the actual value is unknown. (D) To fill a column in a tuple when that column does not really “exist” for that particular tuple.

Description : In a relational database model, NULL values can be used for all but which one of the following? (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL. (B) To ... D) To fill a column in a tuple when that column does not really exist for that particular tuple.

Last Answer : (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL.

Python: how to sort a list of tuples by the second item of the tuples -Web-Development

Description : Python: how to sort a list of tuples by the second item of the tuples -Web-Development

Last Answer : answer:

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

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

compiler optimization, operator strength reduction uses mathematical identities to replace slow math operations with faster operations. Which of the following code replacements is an illustration of operator strength reduction? (A) Replace P + P by 2 * P or Replace 3 + 4 by 7. (B) Replace P * 32 by P<<5 (C) Replace P * 0 by 0 (D) Replace (P<<4) – P by P * 15

Description : compiler optimization, operator strength reduction uses mathematical identities to replace slow math operations with faster operations. Which of the following code replacements is an illustration of operator strength reduction? (A) Replace P + ... * P or Replace 3 + 4 by 7. (B) Replace P * 32 by P

Last Answer : (B) Replace P * 32 by P

..... is a set of Keywords, s symbols, and a system of rules for constructing statements by which humans can communicate the instructions to be executed by a computer... 1) A Computer Program 2) A Programming Language 3) An Assembler 4) Syntax

Description : ..... is a set of Keywords, s symbols, and a system of rules for constructing statements by which humans can communicate the instructions to be executed by a computer... 1) A Computer Program 2) A Programming Language 3) An Assembler 4) Syntax

Last Answer : 2) A Programming Language

Consider a code with five valid code words of length ten : 0000000000, 0000011111, 1111100000, 1110000011, 1111111111 Hamming distance of the code is (A) 5 (B) 10 (C) 8 (D) 9

Description : Consider a code with five valid code words of length ten : 0000000000, 0000011111, 1111100000, 1110000011, 1111111111 Hamming distance of the code is (A) 5 (B) 10 (C) 8 (D) 9

Last Answer : Answer: Marks to all

Which of the syntax is correct for insert statement? i) insert into <table_name> values <list of values> ii) insert into <table_name> (column list) values <list of values> A) i-only B) ii-only C) Both of them D) None of them

Description : Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list) values A) i-only B) ii-only C) Both of them D) None of them

Last Answer : C) Both of them

To select all column from the table the syntax is: A) select all from table_name B) select * from table_name C) select from table_name D) Non of the above

Description : To select all column from the table the syntax is: A) select all from table_name B) select * from table_name C) select from table_name D) Non of the above

Last Answer : B) select * from table_name

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 : 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

Last Answer : d) all of the mentioned

Process of removing errors called a) Error Free b) Debug c) Syntax Error d) Exception

Description : Process of removing errors called a) Error Free b) Debug c) Syntax Error d) Exception

Last Answer : b) Debug

The syntax of capturing events method for document object is (A) CaptureEvents() (B) CaptureEvents(Orgs eventType) (C) CaptureEvents(eventType) (D) CaptureEvents(eventVal)

Description : The syntax of capturing events method for document object is (A) CaptureEvents() (B) CaptureEvents(Orgs eventType) (C) CaptureEvents(eventType) (D) CaptureEvents(eventVal)

Last Answer : (C) CaptureEvents(eventType)

Which one of the following describes the syntax of prolog program ? I. Rules and facts are terminated by full stop (.) II. Rules and facts are terminated by semicolon (;) III. Variables names must start with upper case alphabets. IV. Variables names must start with lower case alphabets. Codes : (A) I, II (B) III, IV (C) I, III (D) II, IV

Description : Which one of the following describes the syntax of prolog program ? I. Rules and facts are terminated by full stop (.) II. Rules and facts are terminated by semicolon (;) III. Variables names must start with upper case alphabets. ... alphabets. Codes : (A) I, II (B) III, IV (C) I, III (D) II, IV

Last Answer : (C) I, III

Javascript and Java has similar name because ........... is/are true. (a) Javascripts syntax is loosely based on Java’s syntax (b) Javascript is stripped down version of Java (c) Java and Javascript are originated from Island of Java Codes : (A) (a) only (B) (a), (b) and (c) (C) (a) and (b) (D) (a) and (c)

Description : Javascript and Java has similar name because ........... is/are true. (a) Javascripts syntax is loosely based on Java's syntax (b) Javascript is stripped down version of Java (c) Java and Javascript are originated from Island of Java ... only (B) (a), (b) and (c) (C) (a) and (b) (D) (a) and (c)

Last Answer : Answer: A

Consider the following statements related to compiler construction: I. Lexical Analysis is specified by context-free grammars and implemented by pushdown automata. II. Syntax Analysis is specified by regular expressions and implemented by finite-state machine. Which of the above statement(s) is/are correct? (1) Only l (2) Only ll (3) Both I and II (4) Neither I nor Il

Description : Consider the following statements related to compiler construction: I. Lexical Analysis is specified by context-free grammars and implemented by pushdown automata. II. Syntax Analysis is specified by regular expressions and implemented by ... Only l (2) Only ll (3) Both I and II (4) Neither I nor Il

Last Answer : Answer: 4

What is the synonym of erro ?

Description : What is the synonym of erro ?

Last Answer : Synonyms of ero , tilt

A `1 Omega` resistance in series with an ammeter is balanced by 25 cm of potentiometer by 50 cm. The ammeter shows a reding of `1.5 A`. Then, the erro

Description : A `1 Omega` resistance in series with an ammeter is balanced by 25 cm of potentiometer by 50 cm. The ammeter shows a reding of `1.5 A`. Then, the erro

Last Answer : A `1 Omega` resistance in series with an ammeter is balanced by 25 cm of potentiometer by 50 cm. The ammeter shows a ... B. 3A C. `1.3 A` D. `0.3A`

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

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