Computer science related questions and answers
Questions 1: Which of the following is not true of the traditional approach to information processing a. there is common sharing of data among the various applications b. it is file oriented c. programs are dependent on the file d. it is inflexible e. all of the above are true Question 2: Which of…
Questions 1: Which of the following fields in a student file can be used as a primary key? a. class b. Social Security Number c. GPA d. Major Question 2: Which of the following is not an advantage of the database approach a. Elimination of data redundancy b. Ability of associate deleted data c….
Questions 1: The ascending order of a data hirerchy is: a. bit-byte-record-field-file-database b. byte-bit-field-record-file-database c. bit-byte-field-record-file-database d. bit-byte-file-record-field-database Question 2: Which of the following is true of a network structure? a. t is a physical representation of the data b. It allows a many-to-many relationship c. It is conceptually simple d. It will be…
1. Which data structure allows deleting data elements from front and inserting at rear? a. Stacks b. Queues c. Deques d. Binary search tree 2. Identify the data structure which allows deletions at both ends of the list but insertion at only one end. a. Input-restricted deque b. Output-restricted deque c. Priority queues d. None…
1. Two main measures for the efficiency of an algorithm are a. Processor and memory b. Complexity and capacity c. Time and space d. Data and space 2. The time factor when determining the efficiency of algorithm is measured by a. Counting microseconds b. Counting the number of key operations c. Counting the number…
1. The memory address of the first element of an array is called a. floor address b. foundation address c. first address d. base address 2. The memory address of fifth element of an array can be calculated by the formula a. LOC(Array[5]=Base(Array)+w(5-lower bound), where w is the number of words per memory cell…
Q.91 What will be the result of the expression 13 & 25? (A) 38 (B) 25 (C) 9 (D) 12 Ans:C Q.92 Which of the following operator can be overloaded through friend function? (A) -> (B) = (C) ( ) (D) * Ans:D Q.93 To access the public function…
Q.76 Which of the following expressions is illegal? (A) ( ) 6 10 . (B) (false && true) (C) bool (x) = (bool)10; (D) float y = 12.67; Ans:C Q.77 The actual source code for implementing a template function is created when (A) The declaration of function appears. (B) The…
Q.61 An array element is accessed using (A) a FIFO approach (B) an index number (C) the operator (D) a member name Ans:B Q.62 If there is a pointer p to object of a base class and it contains the address of an object of a derived class and both classes contain…
Q.46 Given a class named Book, which of the following is not a valid constructor? (A) Book ( ) { } (B) Book ( Book b) { } (C) Book ( Book &b) { } (D) Book (char* author, char* title) { } Ans:B Q47 Which…