Computer Science Quiz

What is the primary advantage of using a "Hash Table" data structure?

• It allows access to elements in constant time

• It stores elements in a sorted order

• It supports fast insertion and deletion operations

• It requires less memory than an array

In SQL, which clause is used to group records that have the same values in specified fields?

• ORDER BY

• GROUP BY

• HAVING

• SELECT

Which type of error occurs when the syntax of the code is incorrect and prevents it from being compiled?

• Logic error

• Runtime error

• Compilation error

• Arithmetic error

Which of the following is the correct definition of a "Microprocessor"?

• A small, low-speed processing unit

• A device used for input and output processing

• The central unit that performs calculations and processes instructions in a computer

• A type of memory storage device

Which of the following protocols is used to send email?

• FTP

• SMTP

• HTTP

• SNMP

Which of the following is a characteristic of "Web 1.0"?

• User-generated content

• Static web pages with limited interaction

• Dynamic content based on user behavior

• Real-time communication between users

Which of the following is a valid reason to use a linked list over an array?

• To store elements in contiguous memory locations

• To allow efficient random access to elements

• To easily insert and delete elements without shifting others

• To store fixed-size collections of data

Which of the following is true about a "Switch" in a computer network?

• It forwards data based on MAC addresses

• It amplifies network signals

• It connects devices across different networks

• It filters data based on IP addresses

Which of the following programming languages is primarily used for statistical computing and data analysis?

• Python

• Java

• R

• C++

In object-oriented programming, which concept refers to the ability of one class to assume the characteristics of another class?

• Polymorphism

• Encapsulation

• Inheritance

• Abstraction