Basic computer troubleshooting MCQs

Restarting the computer is often the first step in troubleshooting as it can resolve many common issues.

If the computer is not powering on, the power supply should be checked first to ensure it's functioning.

"BSOD" stands for Blue Screen of Death, which is a common error screen in Windows operating systems.

Unusual noises from a computer may indicate a failing hard drive.

When troubleshooting network connectivity issues, check the Ethernet or Wi-Fi connection first to ensure it's properly connected and configured.

If a computer is running slowly, you should first try closing unnecessary programs and processes to free up system resources.

If you receive a "No bootable device" error, check the status of the hard drive to ensure it's recognized by the system.

The Windows Task Manager is used to monitor system performance and terminate unresponsive applications.

Defragmentation reorganizes data on a hard drive for faster access and improved performance.

Safe Mode in Windows starts the operating system with a minimal set of drivers and services, often used for troubleshooting.

Distorted graphics or artifacts on the display may indicate a problem with the graphics card.

The BIOS manages hardware and initializes the computer's hardware components during startup.

If your computer is overheating, you should clean dust from the cooling fans and ensure proper ventilation.

System Restore in Windows allows you to undo system changes and restore the computer to a previous state.

Frequent freezes or crashes may be caused by faulty RAM modules.

Chkdsk (Check Disk) in Windows is used to check and repair file system errors on a hard drive.

If the keyboard or mouse is not responding, check the USB or PS/2 connections to ensure they are properly connected.

An antivirus program is used to prevent and remove malware and viruses from a computer.

If the monitor displays a "No signal" message, check the cable connections between the computer and the monitor.

Disk cleanup in Windows is used to delete unnecessary files and free up disk space.

If the computer's sound is not working, check that the speakers or headphones are properly connected.

Windows Update is used to keep the Windows operating system and software up to date with the latest security patches and improvements.

Frequent crashes and "blue screen" error messages may be related to graphics card drivers.

BIOS stands for Basic Input/Output System, which manages hardware and initializes the computer during startup.

Flickering or distorted display issues are often related to problems with the monitor.

If a peripheral device is not recognized, check the USB or cable connections to ensure they are properly connected.

Device Manager in Windows is used to manage device drivers and hardware settings.

Beeping sounds during startup can indicate a memory or hardware problem.

If you spill liquid on a keyboard or laptop, turn it off, disconnect it from power, and let it dry completely to avoid damage.

The power supply unit (PSU) provides power to the internal components of the computer.

System restore in Windows is used to restore the computer to a previous state.

To remove malware or viruses, use antivirus software.

Safe Mode in Windows starts the operating system with a minimal set of drivers and services for troubleshooting.

Driver compatibility refers to the ability of a device driver to work with a specific operating system and hardware.

If a software application is not responding, you can use the task manager to end the application process.

IP address stands for Internet Protocol address, which is used to identify devices on a network.

The "ping" command is used to test network connectivity and measure latency.

If you cannot connect to a Wi-Fi network, check the Wi-Fi router and password settings.

A firewall is used to filter and block unauthorized network traffic, enhancing network security.

If you experience slow internet speeds, check the Wi-Fi signal strength and router configuration.

Phishing is a fraudulent attempt to trick individuals into revealing sensitive information, such as passwords and credit card numbers.

In computer security, a firewall is a software or hardware security system that filters and blocks unauthorized network traffic.

Unwanted pop-up advertisements and redirects can be indicative of an adware or malware infection.

A strong password is one that is long, complex, and includes a combination of letters, numbers, and special characters.

Two-factor authentication (2FA) is a security practice that requires users to provide two different forms of verification, such as a password and a one-time code, to access an account.

If you receive an unsolicited email with a suspicious attachment, it is advisable to delete the email and not open the attachment to avoid potential security risks.

Encryption is used to make data unreadable to unauthorized users, enhancing data security and privacy.

If you suspect that your online accounts have been compromised, you should change passwords, enable two-factor authentication, and monitor account activity for unusual behavior.

Cookies are used to store website data, such as user preferences, for faster loading of web pages.

If you receive such a request, verify the authenticity through official channels (e.g., the organization's website or customer support) to ensure it is not a phishing attempt.