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Competitive Exam Computer Questions and Answers

Competitive Exam Computer Questions and Answers

Competitive Exam Computer Questions and Answers

Certainly! I can provide you with some computer-related questions and answers that are commonly found in competitive exams. Keep in mind that the difficulty level of these questions can vary, so be sure to adjust your preparation accordingly.

**1. Question:** What is the primary function of the CPU in a computer?

**Answer:** The primary function of the CPU (Central Processing Unit) in a computer is to execute instructions, perform calculations, and manage data processing tasks.

**2. Question:** What does RAM stand for, and what is its purpose in a computer?

**Answer:** RAM stands for Random Access Memory. It is used to temporarily store data and program instructions that the CPU is actively using while a computer is running. It provides fast and easily accessible memory for active tasks.

**3. Question:** What is the difference between software and hardware in a computer system?

**Answer:** Hardware refers to the physical components of a computer, such as the CPU, memory, and peripherals. Software, on the other hand, is a collection of programs, data, and instructions that tell the hardware what to do. In essence, hardware is the physical “body” of the computer, and software is its “mind.”

**4. Question:** What is an operating system, and what are some examples?

**Answer:** An operating system (OS) is system software that manages computer hardware and provides services for computer programs. Examples of operating systems include Windows, macOS, Linux, and Android.

**5. Question:** What is the purpose of a firewall in computer security?

**Answer:** A firewall is a network security device or software that monitors and filters incoming and outgoing network traffic. Its primary purpose is to protect a computer or network from unauthorized access and potential security threats.

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**6. Question:** What does HTML stand for, and what is its role in web development?

**Answer:** HTML stands for Hyper Text Markup Language. It is the standard markup language used to create web pages. HTML is responsible for structuring the content of a web page by using elements and tags.

**7. Question:** Explain the difference between HTTP and HTTPS.

**Answer:** HTTP (Hypertext Transfer Protocol) and HTTPS (Hypertext Transfer Protocol Secure) are both protocols for transmitting data over the internet. The key difference is that HTTPS encrypts the data being transmitted, making it more secure, while HTTP does not provide encryption.

**8. Question:** What is a database and why is it important in computing?

**Answer:** A database is a structured collection of data that is stored and organized for easy access and retrieval. Databases are important in computing because they allow for efficient data storage, retrieval, and management, which is crucial for applications and websites that need to store and access large amounts of information.

**9. Question:** What is the difference between a virus and malware in the context of computer security?

**Answer:** A virus is a specific type of malware that attaches itself to a legitimate program or file and can replicate itself, potentially causing damage to the host system. Malware is a broader term that encompasses various types of malicious software, including viruses, worms, Trojans, spyware, and more.

**10. Question:** Explain the concept of cloud computing.

**Answer:** Cloud computing is a technology that allows users to access and use computing resources (such as servers, storage, databases, software, and more) over the internet, often provided by third-party providers. It offers scalability, flexibility, and cost-efficiency for businesses and individuals.

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These are just a few examples of computer-related questions that you might encounter in competitive exams. Be sure to study further and practice a variety of topics to prepare effectively.

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