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

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

When an array is passed as a parameter to a function which of the following statements is correct? (A) The function can change values in the original array. (B) The function cannot change values in the original array. (C) Results in compilation error. (D) Results in runtime error.

Description : When an array is passed as a parameter to a function which of the following statements is correct? (A) The function can change values in the original array. (B) The function cannot change values in the original array. (C) Results in compilation error. (D) Results in runtime error.

Last Answer : (A) The function can change values in the original array.

When an array is passed as parameter to a function, which of the following statements is correct ? (A) The function can change values in the original array. (B) In C, parameters are passed by value, the function cannot change the original value in the array. (C) It results in compilation error when the function tries to access the elements in the array. (D) Results in a run time error when the function tries to access the elements in the array.

Description : When an array is passed as parameter to a function, which of the following statements is correct ? (A) The function can change values in the original array. (B) In C, parameters are passed by value, ... . (D) Results in a run time error when the function tries to access the elements in the array.

Last Answer : (A) The function can change values in the original array.

To accept 100 different values into the array we require A) Loop B) If condition C) Function D) Structure

Description : To accept 100 different values into the array we require A) Loop B) If condition C) Function D) Structure

Last Answer : A) Loop

The jdb is used to A) Create a jar archive B) Debug a java program C) Create C header file D) Generate java documentation

Description : The jdb is used to A) Create a jar archive B) Debug a java program C) Create C header file D) Generate java documentation

Last Answer : B) Debug a java program

Which of the following is true about Java. A) Java does not support overloading. B) Java has replaced the destructor function of C++ C) There are no header files in Java. D) All of the above.

Description : Which of the following is true about Java. A) Java does not support overloading. B) Java has replaced the destructor function of C++ C) There are no header files in Java. D) All of the above.

Last Answer : D) All of the above

What does the following expression means ? char *(*(* a[N]) ( )) ( ); (A) a pointer to a function returning array of n pointers to function returning character pointers. (B) a function return array of N pointers to functions returning pointers to characters (C) an array of n pointers to function returning pointers to characters (D) an array of n pointers to function returning pointers to functions returning pointers to characters.

Description : What does the following expression means ? char *(*(* a[N]) ( )) ( ); (A) a pointer to a function returning array of n pointers to function returning character pointers. (B) a ... to characters (D) an array of n pointers to function returning pointers to functions returning pointers to characters.

Last Answer : Answer: A,B,C,D

Match the following. a) Java 1) is a tool for debugging java program b) Javah 2) is a tool for creating C-like header files c) Javap 3) runs java bytecode d) jdb 4) prints java code representation A) a-3, b-2,c-1 B) a-3, b-1, c-4, d-2 C) a-1, b-2, c-3, d-4 D) a-2, b-1, c-3, d-4

Description : Match the following. a) Java 1) is a tool for debugging java program b) Javah 2) is a tool for creating C-like header files c) Javap 3) runs java bytecode d) jdb 4) prints java code representation A) a-3, b-2,c-1 B) a-3, b-1, c-4, d-2 C) a-1, b-2, c-3, d-4 D) a-2, b-1, c-3, d-4

Last Answer : B) a-3, b-1, c-4, d-2

There is an extra element at the head of the list called a ………. A) Antinel B) Sentinel C) List header D) List head

Description : There is an extra element at the head of the list called a ………. A) Antinel B) Sentinel C) List header D) List head

Last Answer : B) Sentinel

In packet-filtering router, the following information can be external from the packet header. i) Source IP address ii) Destination IP address iii) TCP/UDP source port iv) ICMP message type v) TCP/UDP destination port A) i, ii, iii and iv only B) i, iii, iv and v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v

Description : In packet-filtering router, the following information can be external from the packet header. i) Source IP address ii) Destination IP address iii) TCP/UDP source port iv) ICMP message type v) TCP/UDP destination port A) i, ii ... and v only C) ii, iii, iv and v only D) All i, ii, iii, iv and v

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

In ………………. Mode, the authentication header is inserted immediately after the IP header. A) Tunnel B) Transport C) Authentication D) Both A and B

Description : In ………………. Mode, the authentication header is inserted immediately after the IP header. A) Tunnel B) Transport C) Authentication D) Both A and B

Last Answer : D) Both A and B

The components of IP security includes …………………. A) Authentication Header (AH) B) Encapsulating Security Payload (ESP) C) Internet key Exchange (IKE) D) All of the above

Description : The components of IP security includes …………………. A) Authentication Header (AH) B) Encapsulating Security Payload (ESP) C) Internet key Exchange (IKE) D) All of the above

Last Answer : D) All of the above

In IPv4 header, the field is needed to allow the destination host to determine which datagram a newly arrived fragment belongs to. (A) identification (B) fragment offset (C) time to live (D) header checksum

Description : In IPv4 header, the field is needed to allow the destination host to determine which datagram a newly arrived fragment belongs to. (A) identification (B) fragment offset (C) time to live (D) header checksum

Last Answer : (A) identification

Which of the following control fields in TCP header is used to specify the sender has no more data to transmit? (A) FIN (B) RST (C) SYN (D) PSH

Description : Which of the following control fields in TCP header is used to specify the sender has no more data to transmit? (A) FIN (B) RST (C) SYN (D) PSH

Last Answer : (A) FIN 

In a packet switching network, if the message size is 48 bytes and each packet contains a header of 3 bytes. If 24 packets are required to transmit the message, the packet size is ................ (1) 2 bytes (2) 1 byte (3) 4 bytes (4) 5 bytes

Description : In a packet switching network, if the message size is 48 bytes and each packet contains a header of 3 bytes. If 24 packets are required to transmit the message, the packet size is ................ (1) 2 bytes (2) 1 byte (3) 4 bytes (4) 5 bytes

Last Answer : (4) 5 bytes 

The maximum size of the data that the application layer can pass on to the TCP layer below is ......... (1) 216 bytes (2) 216 bytes + TCP header length (3) 216 bytes - TCP header length (4) 215 bytes

Description : The maximum size of the data that the application layer can pass on to the TCP layer below is ......... (1) 216 bytes (2) 216 bytes + TCP header length (3) 216 bytes - TCP header length (4) 215 bytes

Last Answer : Answer: Marks to all

Which of the following condition is true for an object used as a function argument. i) A copy of the entire objects is passed to the function. ii) Only the address of the object is transferred to the function. A) Only i B) Only ii C) Both i and ii D) None of them

Description : Which of the following condition is true for an object used as a function argument. i) A copy of the entire objects is passed to the function. ii) Only the address of the object is transferred to the function. A) Only i B) Only ii C) Both i and ii D) None of them

Last Answer : C) Both i and ii

An artificial neurons receives n inputs x1, x2,...,xn with weights w1,w2,...,wn attached to the input links. The weighted sum ............... is computed to be passed on to a non-linear filter ϕ called activation function to release the output. (A) Σ wi (B) Σ xi (C) Σ wi + Σ xi (D) Σ wi . Σ xi

Description : An artificial neurons receives n inputs x1, x2,...,xn with weights w1,w2,...,wn attached to the input links. The weighted sum ............... is computed to be passed on to a non-linear filter ϕ called activation function to release the output. (A) Σ wi (B) Σ xi (C) Σ wi + Σ xi (D) Σ wi . Σ xi

Last Answer : (D) Σ wi . Σ xi

The directory structure used in Unix file system is called (A) Hierarchical directory (B) Tree structured directory (C) Directed acyclic graph (D) Graph structured directory

Description : The directory structure used in Unix file system is called (A) Hierarchical directory (B) Tree structured directory (C) Directed acyclic graph (D) Graph structured directory

Last Answer : (C) Directed acyclic graph

The Unix Kernel maintains two key data structures related to processes, the process table and the user structure. Which of following information is not the part of user structure? (A) File descriptor table (B) System call state (C) Scheduling parameters (D) Kernel stack

Description : The Unix Kernel maintains two key data structures related to processes, the process table and the user structure. Which of following information is not the part of user structure? (A) File descriptor table (B) System call state (C) Scheduling parameters (D) Kernel stack

Last Answer : (C) Scheduling parameters

Write syntax and use of pow ()function of <math.h> header file.

Description : Write syntax and use of pow ()function of header file.

Last Answer : pow()- compute the power of a input value Syntax: double pow (double x, double y);

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

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

Last Answer : Answer: 4

What is the drawback of an array?

Description : What is the drawback of an array?

Last Answer : A: Its size cannot be changed.

Array is A) Primary data type B) Pointer data type C) Heterogeneous data type D) Homogenous data type

Description : Array is A) Primary data type B) Pointer data type C) Heterogeneous data type D) Homogenous data type

Last Answer : D) Homogenous data type

Float a[15], what is the size of array? A) 17 B) 14 C) 15 D) 16

Description : Float a[15], what is the size of array? A) 17 B) 14 C) 15 D) 16

Last Answer : 16

State True or False. i) Binary search is used for searching in a sorted array. ii) The time complexity of binary search is O(logn). A) True, False B) False, True C) False, False D) True, True

Description : State True or False. i) Binary search is used for searching in a sorted array. ii) The time complexity of binary search is O(logn). A) True, False B) False, True C) False, False D) True, True

Last Answer : D) True, True

If the given input array is sorted or nearly sorted, which of the following algorithm gives the best performance? a) Insertion sort b) Selection sort c) Quick sort d) Merge sort

Description : If the given input array is sorted or nearly sorted, which of the following algorithm gives the best performance? a) Insertion sort b) Selection sort c) Quick sort d) Merge sort

Last Answer : a) Insertion sort

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

Equivalence partitioning is a .................. method that divides the input domain of a program into classes of data from which test cases can be derived. (A) White-box testing (B) Black-box testing (C) Orthogonal array testing (D) Stress testing

Description : Equivalence partitioning is a .................. method that divides the input domain of a program into classes of data from which test cases can be derived. (A) White-box testing (B) Black-box testing (C) Orthogonal array testing (D) Stress testing

Last Answer : (B) Black-box testing

How many values can be held by an array A(-1,m;1 ,m) ? (A) m (B) m2 (C) m(m+l) (D) m(m+2)

Description : How many values can be held by an array A(-1,m;1 ,m) ? (A) m (B) m2 (C) m(m+l) (D) m(m+2)

Last Answer : (D) m(m+2) Explanation: Total number of values =m(m+2). Because -1 to m, m+2 values and 1 to m, m values

What does the following declaration mean ? int (*ptr) [10]; (A) ptr is an array of pointers of 10 integers. (B) ptr is a pointer to an array of 10 integers. (C) ptr is an array of 10 integers. (D) none of the above.

Description : What does the following declaration mean ? int (*ptr) [10]; (A) ptr is an array of pointers of 10 integers. (B) ptr is a pointer to an array of 10 integers. (C) ptr is an array of 10 integers. (D) none of the above.

Last Answer : (B) ptr is a pointer to an array of 10 integers.

Consider an array A[20, 10], assume 4 words per memory cell and the base address of array A is 100. What is the address of A[11, 5] ? Assume row major storage. (A) 560 (B) 565 (C) 570 (D) 575

Description : Consider an array A[20, 10], assume 4 words per memory cell and the base address of array A is 100. What is the address of A[11, 5] ? Assume row major storage. (A) 560 (B) 565 (C) 570 (D) 575

Last Answer : (A) 560

The average case occurs in the Linear Search Algorithm when: (A) The item to be searched is in some where middle of the Array (B) The item to be searched is not in the array (C) The item to be searched is in the last of the array (D) The item to be searched is either in the last or not in the array

Description : The average case occurs in the Linear Search Algorithm when: (A) The item to be searched is in some where middle of the Array (B) The item to be searched is not in the array (C) The item to be searched is in the last of the array (D) The item to be searched is either in the last or not in the array

Last Answer : (A) The item to be searched is in some where middle of the Array

A three dimensional array in ‘C’ is declared as int A[x][y][z]. Here, the address of an item at the location A[p][q][r] can be computed as follows (where w is the word length of an integer): (A) &A[0][0][0]+w(y*z*q+z*p+r) (B) &A[0][0][0]+w(y*z*p+z*q+r) (C) &A[0][0][0]+w(x*y*p+z*q+r) (D) &A[0][0][0]+w(x*y*q+z*p+r)

Description : A three dimensional array in C' is declared as int A[x][y][z]. Here, the address of an item at the location A[p][q][r] can be computed as follows (where w is the word length of an integer): (A) &A[0][0][0]+w(y*z*q+z*p+r) (B) &A ... *q+r) (C) &A[0][0][0]+w(x*y*p+z*q+r) (D) &A[0][0][0]+w(x*y*q+z*p+r)

Last Answer : Answer: B

Which one of the following array represents a binary max-heap? (A) [26, 13, 17, 14, 11, 9, 15] (B) [26, 15, 14, 17, 11, 9, 13] (C) [26, 15, 17, 14, 11, 9, 13] (D) [26, 15, 13, 14, 11, 9, 17]

Description : Which one of the following array represents a binary max-heap? (A) [26, 13, 17, 14, 11, 9, 15] (B) [26, 15, 14, 17, 11, 9, 13] (C) [26, 15, 17, 14, 11, 9, 13] (D) [26, 15, 13, 14, 11, 9, 17]

Last Answer : (C) [26, 15, 17, 14, 11, 9, 13]

Which of the following is true for computation time in insertion, deletion and finding maximum and minimum element in a sorted array? (1) Insertion-O(1), Deletion-O(1), Maximum-O(1), Minimum-O(1) (2) Insertion-O(1), Deletion-O(1), Maximum-O(n), Minimum-O(n) (3) Insertion-O(n), Deletion-O(n), Maximum-O(1), Minimum-O(1) (4) Insertion-O(n), Deletion-O(n), Maximum-O(n), Minimum-O(n)

Description : Which of the following is true for computation time in insertion, deletion and finding maximum and minimum element in a sorted array? (1) Insertion-O(1), Deletion-O(1), Maximum-O(1), Minimum-O(1) (2) Insertion-O(1), ... (1), Minimum-O(1) (4) Insertion-O(n), Deletion-O(n), Maximum-O(n), Minimum-O(n)

Last Answer : Answer: 3

Through what is feed water from hot-well is passed through, before entering steam and water drum in Lamont boiler? a. Evaporator tubes b. Economizer c. Distributor header d. Circulating pump

Description : Through what is feed water from hot-well is passed through, before entering steam and water drum in Lamont boiler? a. Evaporator tubes b. Economizer c. Distributor header d. Circulating pump

Last Answer : b. Economizer

File management function of the operating system includes i) File creation and deletion ii) Disk scheduling iii) Directory creation iv) Mapping file in secondary storage. A) i, ii and iii only B) i, iii and iv only C) ii, iii and iv only D) All i, ii, iii and iv

Description : File management function of the operating system includes i) File creation and deletion ii) Disk scheduling iii) Directory creation iv) Mapping file in secondary storage. A) i, ii and iii only B) i, iii and iv only C) ii, iii and iv only D) All i, ii, iii and iv

Last Answer : B) i, iii and iv only

Which of the following is not the function of Microkernel? A) File management B) Low-level memory management C) Inter-process communication D) I/O interrupts management

Description : Which of the following is not the function of Microkernel? A) File management B) Low-level memory management C) Inter-process communication D) I/O interrupts management

Last Answer : A) File management

What is the function of following UNIX command? WC – l<a >b& (A) It runs the word count program to count the number of lines in its input, a, writing the result to b, as a foreground process. (B) It runs the word count program to count the number of lines in its input, a, writing the result to b, but does it in the background. (C) It counts the errors during the execution of a process, a, and puts the result in process b. (D) It copies the ‘ l ’ numbers of lines of program from file, a, and stores in file b.

Description : What is the function of following UNIX command? WC - lb& (A) It runs the word count program to count the number of lines in its input, a, writing the result to b, as a foreground process. (B) It runs ... (D) It copies the l ' numbers of lines of program from file, a, and stores in file b.

Last Answer : (B) It runs the word count program to count the number of lines in its input, a, writing the result to b, but does it in the background.

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 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

Why does C++ not allow me to use strings in a class header file?

Description : Why does C++ not allow me to use strings in a class header file?

Last Answer : OK, I think I’ve got this figured out! I already declared “using namespace std;” in my main.cpp file, but in the .h, I did not, so technically I was supposed to be calling std::string. What a stupid mistake!

Is it possible in C++ to declare a vector of characters as a private variable in a class header file? If so, why isn't it working for me?

Description : Is it possible in C++ to declare a vector of characters as a private variable in a class header file? If so, why isn't it working for me?

Last Answer : Just throwing this in. Have you cleaned, before you execute?

What is a header file ?

Description : What is a header file ?

Last Answer : Extended names of ( .h) files in the compiler are called header files.

Define what is a header file?

Description : Define what is a header file?

Last Answer : Header files provide the definitions and declarations for the library functions. Thus, each header file contains the library functions along with the necessary definitions and declarations. For example, a studio.h, math.h, stdlib.h, string.h etc.

Explain any four library functions under conio.h header file.

Description : Explain any four library functions under conio.h header file.

Last Answer : clrscr() -This function is used to clear the output screen. getch() -It reads character from keyboard getche()-It reads character from keyboard and echoes to o/p screen putch - Writes ... function is used to change the text color textbackground()-This function is used to change text background

What is the difference between array data structure and raw data structure?

Description : What is the difference between array data structure and raw data structure?

Last Answer : Data typing is static, but weakly enforced

Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Description : Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Last Answer : ANSWER: Z -- HAS A COMPLETELY REGULAR ATOMIC OR MOLECULAR STRUCTURE

Which one of the following is not a linear data structure? (A) Array (B) Binary Tree (C) Queue (D) Stack

Description : Which one of the following is not a linear data structure? (A) Array (B) Binary Tree (C) Queue (D) Stack

Last Answer : (B) Binary Tree