#1
What is the binary representation of the decimal number 13?
1101
ExplanationBinary representation of 13 in base-2.
#2
Which data structure uses a last-in, first-out (LIFO) approach?
Stack
ExplanationData structure with Last-In, First-Out access.
#3
Which of the following is a data structure that stores a collection of elements with key-value pairs?
Dictionary
ExplanationData structure for key-value pair storage.
#4
What is the hexadecimal representation of the binary number 1101?
D
ExplanationHexadecimal representation of binary 1101 is D.
#5
Which data structure organizes data in a hierarchical manner?
Tree
ExplanationData structure with hierarchical organization.
#6
What is the result of the bitwise AND operation between 5 and 3?
1
ExplanationBitwise AND of 5 (101) and 3 (011) is 1 (001).
#7
Which of the following is not a valid floating-point representation?
ASCII encoding
ExplanationASCII encoding is not a valid floating-point representation.
#8
What is the process of converting a high-level programming language into machine code?
Compilation
ExplanationTransformation of high-level code to machine code.
#9
Which data structure allows efficient insertion and deletion operations at both ends?
Linked List
ExplanationData structure with efficient end operations.
#10
Which number system is used internally by computers to represent data and perform arithmetic operations?
Binary
ExplanationInternal computer number system for data representation.
#11
In computer science, what does the acronym 'SQL' stand for?
Structured Query Language
ExplanationSQL stands for Structured Query Language.
#12
What is the binary representation of the hexadecimal number A3?
10100011
ExplanationBinary representation of hex A3 is 10100011.
#13
Which of the following is a characteristic of a Turing machine?
Limited tape length
ExplanationTuring machine characteristic: Limited tape length.
#14
In computer architecture, what is the purpose of a cache memory?
To increase the speed of data access
ExplanationCache memory purpose: Speeding up data access.
#15
In relational database management systems, what is the purpose of a foreign key?
To establish a relationship between two tables
ExplanationForeign key purpose: Establishing relationships between tables.