Which of the following operators cannot be overloaded in C/C++? (1) Bitwise right shift assignment (2) Address of (3) Indirection (4) Structure reference

Which of the following operators cannot be overloaded in C/C++? (1) Bitwise right shift assignment (2) Address of (3) Indirection (4) Structure reference
by

1 Answer

Answer :

Answer: 4
by

Related questions

Some of the C++ operators cannot overloaded which are i) Member access operators (. And .*) ii) Conditional operator (? :) iii) Scope resolution operator (: :) iv) Size operator (sizeof) A) only i, ii and iii B) only ii, iii and iv C) only ii and iv D) All i, ii, iii and iv

Description : Some of the C++ operators cannot overloaded which are i) Member access operators (. And .*) ii) Conditional operator (? :) iii) Scope resolution operator (: :) iv) Size operator (sizeof) A) only i, ii and iii B) only ii, iii and iv C) only ii and iv D) All i, ii, iii and iv

Last Answer : D) All i, ii, iii and iv

Which of the following operators cannot be overloaded in C+ + ? (A) * (B) += (C) == (D) ::

Description : Which of the following operators cannot be overloaded in C+ + ? (A) * (B) += (C) == (D) ::

Last Answer : (D) ::

Which of the following operates cannot be overloaded? i) Size of operator (sizeof) ii) Scope resolution Operator iii) Conditional operator (?:) iv) Assignment Operator (=) A) i, ii, iii only B) ii, iii, iv only C) i, iii, iv only D) all i, ii, iii, iv

Description : Which of the following operates cannot be overloaded? i) Size of operator (sizeof) ii) Scope resolution Operator iii) Conditional operator (?:) iv) Assignment Operator (=) A) i, ii, iii only B) ii, iii, iv only C) i, iii, iv only D) all i, ii, iii, iv

Last Answer : A) i, ii, iii only

Can assignment operators be overloaded directly?

Description : Can assignment operators be overloaded directly?

Last Answer : No

State True or False. i) While overloading operators new operator can be overloaded. ii) The binary operator such as +, -, * and must explicitly return a value. A) True, True B) True, False C) False, True D) False, False

Description : State True or False. i) While overloading operators new operator can be overloaded. ii) The binary operator such as +, -, * and must explicitly return a value. A) True, True B) True, False C) False, True D) False, False

Last Answer : C) False, True

The friend functions are used in situations where A) We want to exchange data between classes B) We want to have access to unrelated classes C) Dynamic binding is required D) We want to create versatile overloaded operators.

Description : The friend functions are used in situations where A) We want to exchange data between classes B) We want to have access to unrelated classes C) Dynamic binding is required D) We want to create versatile overloaded operators.

Last Answer : A) We want to exchange data between classes

Which of the following operators could be overloaded? A) Size of B) + C) += D) ::

Description : Which of the following operators could be overloaded? A) Size of B) + C) += D) ::

Last Answer : B) +

What operators cannot be overloaded?

Description : What operators cannot be overloaded?

Last Answer : =, ., ?:, ->, new, is, sizeof, typeof  

In C# which of the operators cannot be overloaded

Description : In C# which of the operators cannot be overloaded  A) ! B) = C) + D) all of the above

Last Answer : In C# which of the operators cannot be overloaded  B) =

Which one of the following is correct for overloaded functions in C++? (1) Compiler sets up a separate function for every definition of function. (2) Compiler does not set up a separate function for every definition of function. (3) Overloaded functions cannot handle different types of objects. (4) Overloaded functions cannot have same number of arguments.

Description : Which one of the following is correct for overloaded functions in C++? (1) Compiler sets up a separate function for every definition of function. (2) Compiler does not set up a ... functions cannot handle different types of objects. (4) Overloaded functions cannot have same number of arguments.

Last Answer : Answer: 1

Which operation refer bitwise manipulation of contents of register: a. Logical micro operation b. Arithmetic micro operation c. Shift micro operation d. None of these

Description : Which operation refer bitwise manipulation of contents of register: a. Logical micro operation b. Arithmetic micro operation c. Shift micro operation d. None of these

Last Answer : a. Logical micro operation

What arithmetic operators cannot be used with strings ? a) + b) * c) – d) All of the mentioned

Description : What arithmetic operators cannot be used with strings ? a) + b) * c) – d) All of the mentioned

Last Answer : c) –

Choose the correct remarks. (1) C++ allows any operator to be overloaded (2) Some of the existing operators...

Description : Choose the correct remarks.  (1) C++ allows any operator to be overloaded (2) Some of the existing operators can’t be overloaded (3) Operator precedence can be changed (4) All of these

Last Answer : D

When the operators are having the same priority, they are evaluated from ................. ............. in the order they appear in the expression. A) right to left B) left to right C) any of the order D) depends on compiler

Description : When the operators are having the same priority, they are evaluated from ................. ............. in the order they appear in the expression. A) right to left B) left to right C) any of the order D) depends on compiler

Last Answer : B) left to right

Methods can be overloaded with a difference only in the type of the return value .. A) Not supported B) False C) True D) None of the above

Description : Methods can be overloaded with a difference only in the type of the return value .. A) Not supported B) False C) True D) None of the above

Last Answer : B) False

Which of the following differentiates between overloaded functions and overridden functions ? (A) Overloading is a dynamic or runtime binding and overridden is a static or compile time binding. (B) Overloading is a static or compile time binding and overriding is dynamic or runtime binding. (C) Redefining a function in a friend class is called overloading, while redefining a function in a derived class is called as overridden function. (D) Redefining a function in a derived class is called function overloading, while redefining a function in a friend class is called function overriding.

Description : Which of the following differentiates between overloaded functions and overridden functions ? (A) Overloading is a dynamic or runtime binding and overridden is a static or compile time binding. ... function overloading, while redefining a function in a friend class is called function overriding.

Last Answer : (B) Overloading is a static or compile time binding and overriding is dynamic or runtime binding.

Which of the following is incorrect in C++ ? (A) When we write overloaded function we must code the function for each usage. (B) When we write function template we code the function only once. (C) It is difficult to debug macros (D) Templates are more efficient than macros

Description : Which of the following is incorrect in C++ ? (A) When we write overloaded function we must code the function for each usage. (B) When we write function template we code the function only once. (C) It is difficult to debug macros (D) Templates are more efficient than macros

Last Answer : (D) Templates are more efficient than macros 

The advantage of ............... is that it can reference memory without paying the price of having a full memory address in the instruction. (A) Direct addressing (B) Indexed addressing (C) Register addressing (D) Register Indirect addressing

Description : The advantage of ............... is that it can reference memory without paying the price of having a full memory address in the instruction. (A) Direct addressing (B) Indexed addressing (C) Register addressing (D) Register Indirect addressing

Last Answer : (D) Register Indirect addressing

Suppose that the virtual Address space has eight pages and physical memory with four page frames. If LRU page replacement algorithm is used, .............. number of page faults occur with the reference string. 0 2 1 3 5 4 6 3 7 4 7 3 3 5 5 3 1 1 1 7 2 3 4 1 (A) 11 (B) 12 (C) 10 (D) 9

Description : Suppose that the virtual Address space has eight pages and physical memory with four page frames. If LRU page replacement algorithm is used, .............. number of page faults occur with the reference string. 0 2 1 3 5 4 6 3 7 4 7 3 3 5 5 3 1 1 1 7 2 3 4 1 (A) 11 (B) 12 (C) 10 (D) 9

Last Answer : (A) 11

What are postfix and prefix operators?

Description : What are postfix and prefix operators?

Last Answer : A: Both postfix and prefix operators change (increase or decrease) the value of a variable by 1. In postfix, the old value of the variable is first used and then the variable is updated to the new ... , the value of the variable is first updated to the new value and then this new value is used.

Truly effective communication: 1. Depends on using multiple channels 2. Depends on selecting the right method for each message and avoiding duplication, since everyone is overloaded with information 3. Cannot depend solely on non-verbal signals which might be misunderstood 4. Can only be achieved by communication professional 5. a, b and c

Description : Truly effective communication: 1. Depends on using multiple channels  2. Depends on selecting the right method for each message and avoiding duplication, since  everyone is overloaded with information  3. ... misunderstood  4. Can only be achieved by communication professional  5. a, b and c

Last Answer : 5. a, b and c

Which of the following cannot be passed to a function? A) Reference variable B) Arrays C) Class objects D) Header files

Description : Which of the following cannot be passed to a function? A) Reference variable B) Arrays C) Class objects D) Header files

Last Answer : D) Header files

In post —indexing the indexing is performed a Before the indirection b. After the indirection c Same time indirection d. — Allof these

Description : In post —indexing the indexing is performed a Before the indirection b. After the indirection c Same time indirection d. — Allof these

Last Answer : b. After the indirection

In pre —indexing the indexing is performed_ a. Before the indirection b. After the indirection Same time indirection All of these

Description : In pre —indexing the indexing is performed_ a. Before the indirection b. After the indirection Same time indirection All of these

Last Answer : a. Before the indirection

Which of the following characteristics of constructor are true. i) They should be declared in the public section. ii) They are invoked automatically when the objects are created. iii) They do not have return type and void also. iv) We cannot refer their address. v) Constructors cannot virtual. A) Only i, ii, iii and v B) Only ii, iii, iv, and v C) Only i, iii, iv and v D) All i, ii, iii, iv and v

Description : Which of the following characteristics of constructor are true. i) They should be declared in the public section. ii) They are invoked automatically when the objects are created. iii) They do not have return type and void also. ... and v C) Only i, iii, iv and v D) All i, ii, iii, iv and v

Last Answer : D) All i, ii, iii, iv and v

State true or false. i) comparisons precede logical operations in java ii) assignment operations succeed increment operations iii) arithmetic operations succeed comparisons iv) x precede + A) i-true, ii-true, iii-false, iv-true B) i-true, ii-false, iii-true, iv-false C) i-false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true

Description : State true or false. i) comparisons precede logical operations in java ii) assignment operations succeed increment operations iii) arithmetic operations succeed comparisons iv) x precede + A) i-true, ii-true, iii-false, ... false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true

Last Answer : A) i-true, ii-true, iii-false, iv-true

In Java variables, if first increment of the variable takes place and then the assignment occurs. This operation is also called ............................. . A) pre increment B) post increment C) incrementation D) pre incrementation

Description : In Java variables, if first increment of the variable takes place and then the assignment occurs. This operation is also called ............................. . A) pre increment B) post increment C) incrementation D) pre incrementation

Last Answer : A) pre increment

Which of the following is not mandatory in variable declaration? A) a semicolon B) an identifier C) an assignment D) a data type

Description : Which of the following is not mandatory in variable declaration? A) a semicolon B) an identifier C) an assignment D) a data type

Last Answer : C) an assignment

Match the following. i) Mutual exclusion a) A process may hold allocated resources while waiting assignment. ii) Hold and wait b) No resource can be forcibly removed from a process holding it. iii) No preemption c) Only one process may use a resource at a time. A) i-a, ii-b, iii-c B) i-a, ii-c, iii-b C) i-b, ii-c, iii-a D) i-c, ii-a, iii-b

Description : Match the following. i) Mutual exclusion a) A process may hold allocated resources while waiting assignment. ii) Hold and wait b) No resource can be forcibly removed from a process holding it. iii) No preemption c) Only one process may use ... , ii-c, iii-b C) i-b, ii-c, iii-a D) i-c, ii-a, iii-b

Last Answer : D) i-c, ii-a, iii-b

Which of the following is not a binary operator in relational algebra? A) Join B) Semi-Join C) Assignment D) Project

Description : Which of the following is not a binary operator in relational algebra? A) Join B) Semi-Join C) Assignment D) Project

Last Answer : D) Project

Consider the situation in which assignment operation is very costly. Which of the following sorting algorithm should be performed so that the number of assignment operations is minimized in general? a) Insertion sort b) Selection sort c) Heap sort d) None

Description : Consider the situation in which assignment operation is very costly. Which of the following sorting algorithm should be performed so that the number of assignment operations is minimized in general? a) Insertion sort b) Selection sort c) Heap sort d) None

Last Answer : b) Selection sort

The given maximization assignment problem can be converted into a minimization problem by (A) subtracting each entry in a column from the maximum value in that column. (B) subtracting each entry in the table from the maximum value in that table. (C) adding each entry in a column from the maximum value in that column. (D) adding maximum value of the table to each entry in the table.

Description : The given maximization assignment problem can be converted into a minimization problem by (A) subtracting each entry in a column from the maximum value in that column. (B) subtracting each entry in the table ... value in that column. (D) adding maximum value of the table to each entry in the table.

Last Answer : (B) subtracting each entry in the table from the maximum value in that table.

In the Hungarian method for solving assignment problem, an optimal assignment requires that the maximum number of lines that can be drawn through squares with zero opportunity cost be equal to the number of: (A) rows or columns (B) rows+columns (C) rows+columns-1 (D) rows+columns+1

Description : In the Hungarian method for solving assignment problem, an optimal assignment requires that the maximum number of lines that can be drawn through squares with zero opportunity cost be equal to the number of: (A) rows or columns (B) rows+columns (C) rows+columns-1 (D) rows+columns+1

Last Answer : (A) rows or columns

What does bitwise operator mean ?

Description : What does bitwise operator mean ?

Last Answer : In C program, bitwise operator is used to perform various logical operations like binary data , i.e. bit / byte , such as or , end , not , x-or , left , right shift etc. Among them, ... operands to binary and completes the operation in pairs (bit by bit) from the right side of the two operands.

The bitwise complement of 0 is ___________ a) 00000001 b) 10000000 c) 11111111 d) 11111110

Description : The bitwise complement of 0 is ___________ a) 00000001 b) 10000000 c) 11111111 d) 11111110

Last Answer : Answer: c Explanation: Bitwise complement is basically used to convert all the 0 digits to 1 and the 1s to 0s. So, for 0 = 00000000(in 8-bits) ::: 11111111(1s complement). The bitwise complement is often referred to as the 1s complement

Which of the following cannot be passed to a function in C++? (1) Constant (2) Structure (3) Array (4) Header file

Description : Which of the following cannot be passed to a function in C++? (1) Constant (2) Structure (3) Array (4) Header file

Last Answer : Answer: 4

How will a molded-case circuit breaker react after it has tripped, as a result of an overloaded circuit? A. The breaker will trip again if immediately reset. B. The breaker handle will lock in the OFF position. C. The breaker handle will lock in the tripped position until the thermal element cools down. D. The breaker handle cannot be moved to the OFF position until the thermal element cools down.

Description : How will a molded-case circuit breaker react after it has tripped, as a result of an overloaded circuit? A. The breaker will trip again if immediately reset. B. The breaker handle will lock in ... down. D. The breaker handle cannot be moved to the OFF position until the thermal element cools down.

Last Answer : Answer: A

A Responsibility Assignment Matrix (RAM) can be used to: a. define the terms of reference of the project manager. b. define the limits of the project sponsor’s responsibilities. c. allocate risk management response activities to project personnel. d. allocate work packages to those responsible for project work.

Description : A Responsibility Assignment Matrix (RAM) can be used to: a. define the terms of reference of the project manager. b. define the limits of the project sponsor's responsibilities. c ... response activities to project personnel. d. allocate work packages to those responsible for project work.

Last Answer : d. allocate work packages to those responsible for project work.

A Responsibility Assignment Matrix (RAM) can be used to: a. define the terms of reference of the project manager. b. define the limits of the project sponsor’s responsibilities. c. allocate risk management response activities to project personnel. d. allocate work packages to those responsible for project work.

Description : A Responsibility Assignment Matrix (RAM) can be used to:  a. define the terms of reference of the project manager.  b. define the limits of the project sponsor's responsibilities.  ... response activities to project personnel.  d. allocate work packages to those responsible for project work.

Last Answer : d. allocate work packages to those responsible for project work.

Maintaining or providing access to adequate reference libraries and other authoritative sources is a procedure that is most likely performed to comply with the policy of a. Monitoring b. Ethical requirements c. Assignment d. Consultation

Description : Maintaining or providing access to adequate reference libraries and other authoritative sources is a procedure that is most likely performed to comply with the policy of a. Monitoring b. Ethical requirements c. Assignment d. Consultation

Last Answer : Consultation

The short cut key to start a new line without starting a new paragraph is ...... A) Ctrl+Enter B) Shift+Enter C) Alt+Enter D) Ente

Description : The short cut key to start a new line without starting a new paragraph is ...... A) Ctrl+Enter B) Shift+Enter C) Alt+Enter D) Ente

Last Answer : B) Shift+Enter

To move the cursor to end of the document, press ................ A) Ctrl+End B) End C) Alt+End D) Shift+End

Description : To move the cursor to end of the document, press ................ A) Ctrl+End B) End C) Alt+End D) Shift+End

Last Answer : A) Ctrl+End

Shift-Reduce parsers perform the following : (A) Shift step that advances in the input stream by K(K>1) symbols and Reduce step that applies a completed grammar rule to some recent parse trees, joining them together as one tree with a new root symbol. (B) Shift step that advances in the input stream by one symbol and Reduce step that applies a completed grammar rule to some recent parse trees, joining them together as one tree with a new root symbol. (C) Shift step that advances in the input stream by K(K = 2) symbols and Reduce step that applies a completed grammar rule to form a single tree. (D) Shift step that does not advance in the input stream and Reduce step that applies a completed grammar rule to form a single tree.

Description : Shift-Reduce parsers perform the following : (A) Shift step that advances in the input stream by K(K>1) symbols and Reduce step that applies a completed grammar rule to some recent parse trees, ... in the input stream and Reduce step that applies a completed grammar rule to form a single tree.

Last Answer : (B) Shift step that advances in the input stream by one symbol and Reduce step that applies a completed grammar rule to some recent parse trees, joining them together as one tree with a new root symbol.

The property of binary tree is A) The first subset is called left subtree B) The second subtree is called right subtree C) The root cannot contain NULL D) The right subtree can be empty

Description : The property of binary tree is A) The first subset is called left subtree B) The second subtree is called right subtree C) The root cannot contain NULL D) The right subtree can be empty

Last Answer : D) The right subtree can be empty

What is the difference between Call by value and Call by reference?

Description : What is the difference between Call by value and Call by reference?

Last Answer : A: Call By Value : When a function is called by value, then the value of the actual parameter is copied to the formal parameter (i.e. a separate copy is made). Any changes made with the ... with the values at that address of the formal parameter affects (changes) the value of the actual parameter.

A ……………. takes a reference to an object of the same class as itself as an argument. A) Reference constructor B) Copy Constructor C) Self Constructor

Description : A ……………. takes a reference to an object of the same class as itself as an argument. A) Reference constructor B) Copy Constructor C) Self Constructor

Last Answer : B) Copy Constructor

Automatic initialization of object is carried out using a special member function called ………… A) Friend B) Casting C) Reference Parameter D) Constructor

Description : Automatic initialization of object is carried out using a special member function called ………… A) Friend B) Casting C) Reference Parameter D) Constructor

Last Answer : D) Constructor

With ................ a page is brought into main memory only when the reference is made to a location on that page. A) demand paging B) main paging C) prepaging D) postpaging

Description : With ................ a page is brought into main memory only when the reference is made to a location on that page. A) demand paging B) main paging C) prepaging D) postpaging

Last Answer : A) demand paging

State True or False. 1. Term of reference is the final output of Feasibility Study 2. Design specification report is the final output of System Analysis A) 1-true, 2-true B) 1-false, 2-true C) 1-true, 2-false D) 1-false, 2-false

Description : State True or False. 1. Term of reference is the final output of Feasibility Study 2. Design specification report is the final output of System Analysis A) 1-true, 2-true B) 1-false, 2-true C) 1-true, 2-false D) 1-false, 2-false

Last Answer : A) 1-true, 2-true