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Interview Questions

Q.1 What is the primary function of an operating system?

The operating system manages computer hardware and software resources and provides services for computer programs.

Q.2 Explain the difference between RAM and ROM.

RAM (Random Access Memory) is temporary memory used for running applications, while ROM (Read-Only Memory) is non-volatile memory used for storing firmware.

Q.3 What is a CPU, and what does it do?

The CPU (Central Processing Unit) is the brain of the computer that executes instructions from programs.

Q.4 Describe the purpose of a hard drive.

A hard drive is a storage device that stores and retrieves digital information using magnetic storage.

Q5 What does the term \\

BIOS stands for Basic Input/Output System, and it is firmware that initializes hardware during the boot process.

Q.6 Explain the difference between a hub, switch, and router.

A hub connects multiple devices in a network, a switch filters and forwards data to specific devices, and a router connects different networks.

Q.7 What is an IP address?

An IP address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.

Q.8 Describe the purpose of DNS.

DNS (Domain Name System) translates domain names into IP addresses, making it easier to navigate the internet.

Q.9 What is a firewall, and why is it important?

A firewall is a security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules, protecting a network from unauthorized access.

Q.10 Explain the concept of a computer virus.

A computer virus is malicious software that can replicate itself and spread to other computers, causing harm to data and system functionality.

Q.11 What is the difference between a 32-bit and 64-bit operating system?

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Q.12 Describe the purpose of the Task Manager in Windows.

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Q.13 What is the role of the Recycle Bin in Windows?

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Q.14 Explain the concept of defragmentation.

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Q.15 What is the purpose of the CTRL+ALT+DEL shortcut in Windows?

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Q.16 Describe the steps to install a printer on a Windows computer.

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Q.17 Explain the difference between HTTP and HTTPS.

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Q.18 What is the purpose of an antivirus program?

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Q.19 Explain the concept of a cookie in web browsers.

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Q.20 Describe the function of the System Restore feature in Windows.

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Q.21 What is the role of the BIOS in the boot process?

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Q.22 Explain the purpose of the \\

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Q.23 What does the term \\

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Q.24 Describe the steps to connect to a Wi-Fi network on a Windows computer.

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Q.25 Explain the purpose of the \\

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Q.26 What is the purpose of the \\

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Q.27 Describe the function of the \\

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Q.28 What is the purpose of a GPU (Graphics Processing Unit)?

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Q.29 Explain the concept of a software update.

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Q.30 Describe the steps to create a shortcut on the desktop in Windows.

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Q.31 What is the significance of the \\

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Q.32 Explain the concept of computer networking.

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Q.33 What is the role of a DHCP server in a network?

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Q.34 Describe the purpose of the \\

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Q.35 Explain the concept of file compression.

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Q.36 What is the purpose of the \\

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Q.37 Describe the function of the \\

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Q.38 What is the purpose of a power supply unit in a computer?

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Q.39 Explain the concept of a software license.

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Q.40 Describe the steps to uninstall a program on a Windows computer.

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Q.41 What is the significance of the \\

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Q.42 Explain the purpose of a UPS (Uninterruptible Power Supply) in computing.

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Q.43 What is the difference between a full backup and an incremental backup?

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Q.44 Describe the function of the \\

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Q.45 What is the purpose of a RAID (Redundant Array of Independent Disks) configuration?

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Q.46 Explain the concept of a command-line interface (CLI).

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Q.47 What does the term \\

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Q.48 Describe the purpose of the \\

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Q.49 What is the role of a CMOS battery on a computer motherboard?

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Q.50 Explain the concept of a proxy server.

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