What does the control unit generate to control other units?
उत्तर देखें
सही उत्तर: (C) Control signals
1 अंक · 2023 · सेट A
प्रश्न 52
Which of the following is a user-defined header file extension used in C++?
उत्तर देखें
सही उत्तर: (C) h
1 अंक · 2023 · सेट A
प्रश्न 53
The most common addressing technique employed by a CPU is
उत्तर देखें
सही उत्तर: (D) More than one of the above
1 अंक · 2023 · सेट A
प्रश्न 54
What will happen if the following C++ statement is compiled and executed? int *ptr = NULL; delete ptr;
उत्तर देखें
सही उत्तर: (B) The program is compiled and executed successfully
1 अंक · 2023 · सेट A
प्रश्न 55
In various devices, _____ are used to overcome the difference in data transfer speed.
उत्तर देखें
सही उत्तर: (B) Buffer registers
1 अंक · 2023 · सेट A
प्रश्न 56
What do we use to extend the connectivity of the processor bus?
उत्तर देखें
सही उत्तर: (A) PCI bus
1 अंक · 2023 · सेट A
प्रश्न 57
In memory-mapped I/O
उत्तर देखें
सही उत्तर: (A) The I/O devices and the memory share the same address space
1 अंक · 2023 · सेट A
प्रश्न 58
What is the addressing called that is used in an instruction of the form ADD X Y?
उत्तर देखें
सही उत्तर: (C) Absolute
1 अंक · 2023 · सेट A
प्रश्न 59
Which of the following correctly declares an array in C++?
उत्तर देखें
सही उत्तर: (C) int array[10];
1 अंक · 2023 · सेट A
प्रश्न 60
SQL views are also known as
उत्तर देखें
सही उत्तर: (B) Virtual tables
1 अंक · 2023 · सेट A
प्रश्न 61
How many primary keys can there be in a table?
उत्तर देखें
सही उत्तर: (A) Only 1
1 अंक · 2023 · सेट A
प्रश्न 62
What will be the output of the following C++ code? #include<iostream> #include<string> using namespace std; int main(int argc, char const *argv[]) { char s1[6]="Hello"; char s2[6]="World"; char s3[12]=s1+" "+s2; cout<<s3; return 0; }
उत्तर देखें
सही उत्तर: (C) Error
1 अंक · 2023 · सेट A
प्रश्न 63
Which of the following is not a constraint in SQL?
उत्तर देखें
सही उत्तर: (C) Union
1 अंक · 2023 · सेट A
प्रश्न 64
Which of the following is not a valid aggregate function?
उत्तर देखें
सही उत्तर: (B) COMPUTE
1 अंक · 2023 · सेट A
प्रश्न 65
Who is the father of computer?
उत्तर देखें
सही उत्तर: (B) Charles Babbage
1 अंक · 2023 · सेट A
प्रश्न 66
If ASC or DESC is not specified after an SQL ORDER BY clause, which of the following is used by default?
उत्तर देखें
सही उत्तर: (B) ASC
1 अंक · 2023 · सेट A
प्रश्न 67
In IA-32 architecture, along with the general flags, which of the following conditional flags is provided?
उत्तर देखें
सही उत्तर: (D) More than one of the above
1 अंक · 2023 · सेट A
प्रश्न 68
Which of the following is true about the HAVING clause?
उत्तर देखें
सही उत्तर: (C) Similar to WHERE, but used for groups rather than rows
1 अंक · 2023 · सेट A
प्रश्न 69
The method of accessing I/O devices by repeatedly checking the status flags is
उत्तर देखें
सही उत्तर: (A) Program-controlled I/O
1 अंक · 2023 · सेट A
प्रश्न 70
_____ clause creates a temporary relation for the query on which it is defined.
उत्तर देखें
सही उत्तर: (A) WITH
1 अंक · 2023 · सेट A
प्रश्न 71
The SQL statement SELECT ROUND (65.726, -1) FROM DUAL; prints
उत्तर देखें
सही उत्तर: (A) 70
1 अंक · 2023 · सेट A
प्रश्न 72
A matrix contains m rows and n columns. It is called a Sparse Matrix if
उत्तर देखें
सही उत्तर: (A) Total number of zero elements > (m × n)/2
1 अंक · 2023 · सेट A
प्रश्न 73
_____ command makes the updates performed by a transaction permanent in the database.
उत्तर देखें
सही उत्तर: (B) COMMIT
1 अंक · 2023 · सेट A
प्रश्न 74
Which of the following is the basic approach for joining tables?
उत्तर देखें
सही उत्तर: (D) More than one of the above
1 अंक · 2023 · सेट A
प्रश्न 75
What is the time complexity of an infix-to-postfix conversion algorithm?
उत्तर देखें
सही उत्तर: (B) O(N)
1 अंक · 2023 · सेट A
प्रश्न 76
Which of the following is an advantage of the array data structure?
उत्तर देखें
सही उत्तर: (B) Easier to access the elements in an array
1 अंक · 2023 · सेट A
प्रश्न 77
Which data structure is mainly used for implementing a recursive algorithm?
उत्तर देखें
सही उत्तर: (B) Stack
1 अंक · 2023 · सेट A
प्रश्न 78
What is the postfix expression for the corresponding infix expression a + b * c + (d * e)?
उत्तर देखें
सही उत्तर: (A) abc * + de * +
1 अंक · 2023 · सेट A
प्रश्न 79
Which one of the following is not a type of queue?
उत्तर देखें
सही उत्तर: (E) None of the above
1 अंक · 2023 · सेट A
प्रश्न 80
The necessary condition to be checked before deletion from a queue is
उत्तर देखें
सही उत्तर: (B) Underflow
1 अंक · 2023 · सेट A
प्रश्न 81
After performing the following operations, what does the final list contain? InsertFront(10); InsertFront(20); InsertRear(30); DeleteFront(); InsertRear(40); InsertRear(10); DeleteRear(); InsertRear(15); display();
उत्तर देखें
सही उत्तर: (C) 10 30 40 15
1 अंक · 2023 · सेट A
प्रश्न 82
A linear data structure in which insertion and deletion operations can be performed from both ends is
उत्तर देखें
सही उत्तर: (C) Deque
1 अंक · 2023 · सेट A
प्रश्न 83
A circular queue is implemented using an array of size MAX_SIZE, with indices starting at 0, front pointing to the first element and rear to the last. Which condition specifies that the circular queue is empty?
उत्तर देखें
सही उत्तर: (A) Front = rear = −1
1 अंक · 2023 · सेट A
प्रश्न 84
What is the functionality of the following code? public void fun(int x) { q1.offer(x); }
उत्तर देखें
सही उत्तर: (B) Perform push() with pop as the costlier operation
1 अंक · 2023 · सेट A
प्रश्न 85
Which one of the following techniques is not used in the binary tree?
उत्तर देखें
सही उत्तर: (A) Randomized traversal
1 अंक · 2023 · सेट A
प्रश्न 86
Which of the following is not a feature of DBMS?
उत्तर देखें
सही उत्तर: (C) Single-user access only
1 अंक · 2023 · सेट A
प्रश्न 87
Which of the following statements is not true about the doubly linked list?
उत्तर देखें
सही उत्तर: (C) Implementation of a doubly linked list is easier than that of a singly linked list.
1 अंक · 2023 · सेट A
प्रश्न 88
The values appearing in given attributes of any tuple in the referencing relation must likewise occur in specified attributes of at least one tuple in the referenced relation, according to the _____ integrity constraint.
उत्तर देखें
सही उत्तर: (A) Referential
1 अंक · 2023 · सेट A
प्रश्न 89
Which of the following options is not true about the binary search tree?
उत्तर देखें
सही उत्तर: (E) None of the above
1 अंक · 2023 · सेट A
प्रश्न 90
The expression Y = AB + BC + AC shows the _____ operation.
उत्तर देखें
सही उत्तर: (B) SOP
1 अंक · 2023 · सेट A
प्रश्न 91
What are the canonical forms of Boolean expressions?
उत्तर देखें
सही उत्तर: (C) SOM and POM
1 अंक · 2023 · सेट A
प्रश्न 92
Derive the Boolean expression for the logic circuit shown: inputs A and B enter an OR gate; its output is combined with C, then D, then E by successive AND gates.
उत्तर देखें
सही उत्तर: (A) C(A + B)DE
1 अंक · 2023 · सेट A
प्रश्न 93
Boolean algebra can be used
उत्तर देखें
सही उत्तर: (D) More than one of the above
1 अंक · 2023 · सेट A
प्रश्न 94
What does the control unit generate to control other units?
उत्तर देखें
सही उत्तर: (C) Control signals
1 अंक · 2023 · सेट A
प्रश्न 95
To display time in railway stations, which digital circuit is used?
उत्तर देखें
सही उत्तर: (A) Seven-segment decoder
1 अंक · 2023 · सेट A
प्रश्न 96
What kind of transmission medium is most appropriate to carry data in a computer network exposed to electrical interference?
उत्तर देखें
सही उत्तर: (B) Optical fiber
1 अंक · 2023 · सेट A
प्रश्न 97
Which network topology requires a central controller or hub?
उत्तर देखें
सही उत्तर: (A) Star
1 अंक · 2023 · सेट A
प्रश्न 98
A collection of hyperlinked documents on the Internet forms the
उत्तर देखें
सही उत्तर: (A) World Wide Web (WWW)
1 अंक · 2023 · सेट A
प्रश्न 99
Which of the following is not a step in the Header translation procedure?
उत्तर देखें
सही उत्तर: (C) The IPv6 flow label is considered
1 अंक · 2023 · सेट A
प्रश्न 100
Which one of the following would breach the integrity of a system?