Which of the following is not a member of class ? (A) Static function (B) Friend function (C) Const function (D) Virtual function

Which of the following is not a member of class ? (A) Static function (B) Friend function (C) Const function (D) Virtual function
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Answer :

(B) Friend function
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Which of the following is used to make an Abstract class ? (A) Making atleast one member function as pure virtual function (B) Making atleast one member function as virtual function (C) Declaring as Abstract class using virtual keyword (D) Declaring as Abstract class using static keyword

Description : Which of the following is used to make an Abstract class ? (A) Making atleast one member function as pure virtual function (B) Making atleast one member function as virtual function (C) Declaring as Abstract class using virtual keyword (D) Declaring as Abstract class using static keyword

Last Answer : (A) Making atleast one member function as pure virtual function

State True or False. i) A satic function can have access to only other static members (functions or variables) declared in the same class. ii) A static member function can be called using the class name (instead of its objects) A) True, True B) True, False C) False, True D) False, False

Description : State True or False. i) A satic function can have access to only other static members (functions or variables) declared in the same class. ii) A static member function can be called using the class name (instead of its objects) A) True, True B) True, False C) False, True D) False, False

Last Answer : B) True, 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 true about the static member variable in C++. i) It is initialized to zero when the first object of its class is created. Other initialization is also permitted. ii) It is visible only within the class, but its lifetime is the entire program. A) i-True, ii-True B) ii-False, ii-True C) i-True, ii-False D) i-False, iii-False

Description : Which of the following is true about the static member variable in C++. i) It is initialized to zero when the first object of its class is created. Other initialization is also permitted. ii) It is visible only within ... , ii-True B) ii-False, ii-True C) i-True, ii-False D) i-False, iii-False

Last Answer : B) ii-False, ii-True

Which one of the following is correct, when a class grants friend status to another class? (A) The member functions of the class generating friendship can access the members of the friend class. (B) All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship. (C) Class friendship is reciprocal to each other (D) There is no such concept.

Description : Which one of the following is correct, when a class grants friend status to another class? (A) The member functions of the class generating friendship can access the members of the friend class. (B) ... the friendship. (C) Class friendship is reciprocal to each other (D) There is no such concept.

Last Answer : All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship. 

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

State true of false. i) We cannot make the function inline by defining a function outside the class. ii) A member function can be called by using its name inside another member function of the same class, this is known as nesting of member function. A) True, True B) True, False C) False, True D) False, False

Description : State true of false. i) We cannot make the function inline by defining a function outside the class. ii) A member function can be called by using its name inside another member function of the same class, this ... of member function. A) True, True B) True, False C) False, True D) False, False

Last Answer : C) False, True

Which of the following is/ are the characteristics of friend function. A) It is not in the scope of the class to which it has been declared as friend. B) It can invoke like a normal function without the help of any object. C) Usually, it has the objects as arguments. D) All of the above.

Description : Which of the following is/ are the characteristics of friend function. A) It is not in the scope of the class to which it has been declared as friend. B) It can invoke like a normal function without the help of any object. C) Usually, it has the objects as arguments. D) All of the above.

Last Answer : D) All of the above.

If a function is friend of a class, which one of the following is wrong ? (A) A function can only be declared a friend by a class itself. (B) Friend functions are not members of a class, they are associated with it. (C) Friend functions are members of a class. (D) It can have access to all members of the class, even private ones.

Description : If a function is friend of a class, which one of the following is wrong ? (A) A function can only be declared a friend by a class itself. (B) Friend functions are not members of a class, they are ... are members of a class. (D) It can have access to all members of the class, even private ones.

Last Answer : (C) Friend functions are members of a class.

Consider the following JAVA program: public class First { public static int CBSE (int x) { if (x < 100) x = CBSE (x +10); return (x - 1); } public static void main (String[] args){ System.out.print(First.CBSE(60)); } } What does this program print? (1) 59 (2) 95 (3) 69 (4) 99

Description : Consider the following JAVA program: public class First { public static int CBSE (int x) { if (x < 100) x = CBSE (x +10); return (x - 1); } public static void main (String[] args){ System.out.print(First.CBSE(60)); } } What does this program print? (1) 59 (2) 95 (3) 69 (4) 99

Last Answer : (2) 95 

Which of the following, in C++, is inherited in a derived class from base class ? (A) constructor (B) destructor (C) data members (D) virtual methods

Description : Which of the following, in C++, is inherited in a derived class from base class ? (A) constructor (B) destructor (C) data members (D) virtual methods

Last Answer : (C) data members

What is the most appropriate function of Memory Management Unit (MMU) ? (A) It is an associative memory to store TLB (B) It is a technique of supporting multiprogramming by creating dynamic partitions (C) It is a chip to map virtual address to physical address (D) It is an algorithm to allocate and deallocate main memory to a process

Description : What is the most appropriate function of Memory Management Unit (MMU) ? (A) It is an associative memory to store TLB (B) It is a technique of supporting multiprogramming by creating dynamic partitions ... to physical address (D) It is an algorithm to allocate and deallocate main memory to a process 

Last Answer : (C) It is a chip to map virtual address to physical address

Which of the following statements is incorrect for Parallel Virtual Machine (PVM)? (A) The PVM Communication model provides asynchronous blocking send, asynchronous blocking receive and non-blocking receive function. (B) Message buffers are allocated dynamically. (C) The PVM communication model assumes that any task can send a message to any other PVM task and that there is no limit to the size or number of such messages. (D) In PVM Model, the message order is not preserved.

Description : Which of the following statements is incorrect for Parallel Virtual Machine (PVM)? (A) The PVM Communication model provides asynchronous blocking send, asynchronous blocking receive and non-blocking receive function. ... of such messages. (D) In PVM Model, the message order is not preserved. 

Last Answer : (D) In PVM Model, the message order is not preserved.

Which of the following keywords are used to control access to a class member? A) default B) break C) protected D) goto

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Last Answer : C) protected

Define what are the difference between const and readonly?

Description : Define what are the difference between const and readonly?

Last Answer : A const cannot be static, while readonly can be static. A const need to be declared and initialized at declaration only, while a readonly can be initialized at the declaration or by the code in the ... A const's value is evaluated at design time, while a read-only value is evaluated at runtime.

Define what is the difference between CONST and READONLY?

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Last Answer : Both are meant for constant values. A const field can only be initialized at the declaration of the field. A read-only field can be initialized either at the declaration or.

Why use the keyword “const” in C#? Give an example.

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Last Answer : “Const” keyword is used for making an entity constant. We can’t reassign the value to constant. Eg: const string _name = “Test”;

Do you need to instantiate a class before accessing a Shared (static) member? Why or why not?

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Last Answer : Because a Shared (static) member belongs to the type rather than to any instance of the type, you can access the member without first creating an instance of the type.

State characteristic of static data member. Explain why static data member must be defined outside the class.

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Last Answer : Characteristics of static data members: 1. It is initialized to zero when the first object of its class is created. No other initialization is permitted. 2. Only one copy of that member is created ... member(s) it is necessary to make static members global and re-declared outside of the class.

Why is the main method static?

Description : Why is the main method static?

Last Answer : A: So that it be available for execution without the need of any object.

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Last Answer : A) Dynamic content

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Last Answer : D) All of the above.

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Last Answer : B) Static allocation

………………….. implies that all subnets obtained from the same subnet mask. A) Static subnetting B) Dynamic subnetting C) Variable length subnetting D) Both B and C

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Last Answer : A) Static subnetting

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Last Answer : A) Automatic allocation

........ implies that all subnets obtained from the same network use the subnet mask. A) Static subnetting B) Dynamic Subnetting C) Variable length subnetting D) Both B and C

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Last Answer : A) Static subnetting

Match the following types of variables with the corresponding programming languages: (a) Static variables (i) Local variables in Pascal (b) Stack dynamic (ii) All variables in APL (c) Explicit heap dynamic (iii) Fortran 77 (d) Implicit heap dynamic (iv) All objects in JAVA Codes: (a) (b) (c) (d) (A) (i) (iii) (iv) (ii) (B) (iv) (i) (iii) (ii) (C) (iii) (i) (iv) (ii) (D) (ii) (i) (iii) (iv)

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Last Answer : (C) (iii) (i) (iv) (ii) 

Which of the following storage classes have global visibility in C/C++? (1) Auto (2) Extern (3) Static (4) Register

Description : Which of the following storage classes have global visibility in C/C++? (1) Auto (2) Extern (3) Static (4) Register

Last Answer : Answer: 2

Explain the need of static member function with example.

Description : Explain the need of static member function with example.

Last Answer : A static member function can have access to only other static members (functions or variables) declared in the same class. A static member function can be called using the class name as follows: class_name:: ... test::showcount(); -------------Call to static member function. }

List characteristics of static data member and static member function.

Description : List characteristics of static data member and static member function.

Last Answer : Characteristics of static member variable are: i) It is initialized to zero when the first object of its class is created. No other initialization is permitted. ii) Only one copy of that ... the class name with a scope resolution operator instead of object name as follows: class_name::function_name;

Explain static member function.

Description : Explain static member function.

Last Answer : Static member function: - a static member function can have access to only other static variables or functions declared in the same class. It can be called using the class name instead of its object. It can be declared ... ; } static void showcount()----------------static member function { cout

With example, describe use of static member function.

Description : With example, describe use of static member function.

Last Answer : A static member function can have access to only other static members (functions or variables) declared in the same class. A static member function can be called using the class name as follows: class_name:: ... static void showcount()----------------//static member function { cout

Write two properties of static member function

Description : Write two properties of static member function

Last Answer : i) A static member function can have access to only other static data members and functions declared in the same class. ii) A static member function can be called using the class name with a scope resolution operator instead of object name as follows: class_name::function_name;

The compiled java program can run on any ..................... plateform having Java Virtual Machine (JVM) installed on it. A) program B) java C) hardware D) non java

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Last Answer : C) hardware

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

A process that execute only in main memory is referred to as ……………… and that allocated in disk is referred to a ……………. A) virtual memory, true memory B) virtual memory, real memory C) real memory, virtual memory D) imaginary memory, real memory

Description : A process that execute only in main memory is referred to as ……………… and that allocated in disk is referred to a ……………. A) virtual memory, true memory B) virtual memory, real memory C) real memory, virtual memory D) imaginary memory, real memory

Last Answer : C) real memory, virtual memory

Which of the following information not included in memory table? A) The allocation of main memory to process. B) The allocation of secondary memory to process C) Any information needed to manage virtual memory D) Any information about the existence of file

Description : Which of the following information not included in memory table? A) The allocation of main memory to process. B) The allocation of secondary memory to process C) Any information needed to manage virtual memory D) Any information about the existence of file

Last Answer : D) Any information about the existence of file

.................. is a facility that allows programmers to address memory from a logical point of view, without regard to the main memory, physically available. A) Visual memory B) Real memory C) Virtual memory D) Secondary memory

Description : .................. is a facility that allows programmers to address memory from a logical point of view, without regard to the main memory, physically available. A) Visual memory B) Real memory C) Virtual memory D) Secondary memory

Last Answer : C) Virtual memory

..................... provides a larger sized of virtual memory but require virtual memory which provides multidimensional memory. A) Paging method B) Segmentation method C) Paging and segmentation method D) None of these

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Last Answer : B) Segmentation method

The name of the protocol which provides virtual terminal in TCP/IP model is. A) Telnet B) SMTP C) HTTP

Description : The name of the protocol which provides virtual terminal in TCP/IP model is. A) Telnet B) SMTP C) HTTP

Last Answer : A) Telnet

Which of the following is an application layer service? A) Network virtual terminal B) File transfer, access and management C) Mail service D) All of the above

Description : Which of the following is an application layer service? A) Network virtual terminal B) File transfer, access and management C) Mail service D) All of the above

Last Answer : C) Mail service

A thread is usually defined as a light weight process because an Operating System (OS) maintains smaller data structure for a thread than for a process. In relation to this, which of the following statement is correct? (A) OS maintains only scheduling and accounting information for each thread. (B) OS maintains only CPU registers for each thread. (C) OS does not maintain a separate stack for each thread. (D) OS does not maintain virtual memory state for each thread.

Description : A thread is usually defined as a light weight process because an Operating System (OS) maintains smaller data structure for a thread than for a process. In relation to this, which of the following ... separate stack for each thread. (D) OS does not maintain virtual memory state for each thread.

Last Answer : (B) OS maintains only CPU registers for each thread.

A virtual memory based memory management algorithm partially swaps out a process. This is an example of (A) short term scheduling (B) long term scheduling (C) medium term scheduling (D) mutual exclusion

Description : A virtual memory based memory management algorithm partially swaps out a process. This is an example of (A) short term scheduling (B) long term scheduling (C) medium term scheduling (D) mutual exclusion

Last Answer : (C) medium term scheduling

Which of the following correctly describes overloading of functions? (A) Virtual polymorphism (B) Transient polymorphism (C) Ad-hoc polymorphism (D) Pseudo polymorphism

Description : Which of the following correctly describes overloading of functions? (A) Virtual polymorphism (B) Transient polymorphism (C) Ad-hoc polymorphism (D) Pseudo polymorphism

Last Answer : (C) Ad-hoc polymorphism

The virtual address generated by a CPU is 32 bits. The Translation Lookaside Buffer (TLB) can hold total 64 page table entries and a 4-way set associative (i.e. with 4- cache lines in the set). The page size is 4 KB. The minimum size of TLB tag is (A) 12 bits (B) 15 bits (C) 16 bits (D) 20 bits

Description : The virtual address generated by a CPU is 32 bits. The Translation Lookaside Buffer (TLB) can hold total 64 page table entries and a 4-way set associative (i.e. with 4- cache lines in the set). The page size is 4 KB. The minimum size of TLB tag is (A) 12 bits (B) 15 bits (C) 16 bits (D) 20 bits

Last Answer : (C) 16 bits Explanation: VirtualAddress = 32 bits PageSize = 4KB = 12 bits therefore : VPNTag = 20 bits, OffsetTag = 12 bits TLBEntryLength = VPNTag = 20 bits TotalTLBEntries = 64, 4-way implies ... therefore : TLBIndex = 4 bits TLBTag = TLBEntryLength - TLBIndex = 20 - 4 = 16 bits

A part of Windows 2000 operating system that is not portable is (A) Device Management (B) Virtual Memory Management (C) Processor Management (D) User Interface

Description : A part of Windows 2000 operating system that is not portable is (A) Device Management (B) Virtual Memory Management (C) Processor Management (D) User Interface

Last Answer : (B) Virtual Memory Management

A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries: Image Which of the following list of virtual addresses (in decimal) will not cause any page fault if referenced by the CPU? (A) 1024, 3072, 4096, 6144 (B) 1234, 4012, 5000, 6200 (C) 1020, 3012, 6120, 8100 (D) 2021, 4050, 5112, 7100

Description : A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries:  Which of the following list of virtual addresses (in ... 1234, 4012, 5000, 6200 (C) 1020, 3012, 6120, 8100 (D) 2021, 4050, 5112, 7100

Last Answer : Answer: C Explanation: The pages which are not in main memory are: 1020 will not cause page fault (1024-2047) 3012 will not cause page fault (3072-4095) 6120 will not cause page fault (4096-5119) 8100 will not cause page fault (6144-7167)

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

In C++, polymorphism requires: (A) Inheritance only (B) Virtual functions only (C) References only (D) Inheritance, Virtual functions and references

Description : In C++, polymorphism requires: (A) Inheritance only (B) Virtual functions only (C) References only (D) Inheritance, Virtual functions and references

Last Answer : (D) Inheritance, Virtual functions and references 

Which of the following is incorrect for virtual memory? (1) Large programs can be written (2) More I/O is required (3) More addressable memory available (4) Faster and easy swapping of process

Description : Which of the following is incorrect for virtual memory? (1) Large programs can be written (2) More I/O is required (3) More addressable memory available (4) Faster and easy swapping of process

Last Answer : Answer: 2