CS229 Quiz- Ang Pangalawang Yugto

Before removing a USB drive, it is important to save and exit any files that are open on the drive. This ensures that any changes made to the files are properly saved and prevents data loss. After saving and closing the files, the next step is to find the icon in the taskbar with a USB emblem, right click on it, select Safely Remove Hardware, and follow the instructions that appear. This allows the operating system to properly eject the USB drive and ensures that all data transfers are completed before removing the drive physically.

The four key functions of a computer system are input, processing, output, and storage. Input refers to the data or instructions that are entered into the computer system. Processing involves the manipulation and transformation of the input data using algorithms and software. Output refers to the results or information that is produced by the computer system. Storage involves the saving and retrieval of data and programs on various storage devices such as hard drives or solid-state drives.

Pressing the F5 key refreshes a web page in Internet Explorer, a folder in Windows Explorer, or a print queue in the Printer Status application.

BIOS stands for Basic Input Output System. It is a firmware that is responsible for initializing hardware components and loading the operating system during the boot process. The BIOS provides a set of low-level software routines that enable the computer to perform basic tasks such as keyboard input, display output, and disk access. It also contains configuration settings for the hardware, allowing users to modify system settings.

The speed of a computer processor is measured in hertz. The theory is that the higher the number of megahertz or gigahertz, the faster the processor. This measurement refers to the number of cycles per second that the processor can execute. A higher frequency means that the processor can perform more tasks in a given amount of time, resulting in faster processing speed.

A cookie is a small text file that is created when you visit a website. It is used to identify you or your computer so that the next time you visit the website, you will be recognized as a return visitor. This allows the website to remember certain information about you, such as your preferences or login information, making your browsing experience more personalized and convenient.

Executable files (.exe, .bat, .com) are the most risky files to download and run because they have the ability to execute commands and carry out actions on a computer system. These files can contain malicious code or viruses that can harm the computer, steal personal information, or perform unauthorized actions. Word or Excel files, Adobe Acrobat Reader files, and text files are generally considered less risky as they do not have the same level of functionality to execute commands.

The correct answer accurately describes a computer hard drive as a storage device where files can be saved and retrieved later. It distinguishes a hard drive from other types of storage devices like floppy diskettes and clarifies its purpose in terms of file storage.

The first thing you should do when you suspect your computer has a virus is to backup all of your files. This is important because running a virus scanner software can sometimes result in the deletion or alteration of files, so it is crucial to have a backup to prevent any data loss. The second step is to run your virus scanner software, which will help detect and remove any viruses or malware present on your computer. By following these steps in the given order, you can minimize the risk of data loss and effectively address the virus issue.

A powerful magnet can destroy all of your data in less than a second because most hard drives are based on very sensitive magnets.

A terabyte is a unit of digital information that is equal to approximately 1000 gigabytes. It is commonly used to measure large amounts of data storage or transfer. Gigabytes are smaller units of storage, so 1000 gigabytes would be a closely equal measurement to a terabyte.

The correct answer is RJ-45. RJ-45 is a type of connector commonly used to plug a telephone line into a modem. It is a standard connector for Ethernet cables and is also used for connecting devices such as computers, routers, and switches. RJ-11 is a similar connector used for telephone lines, but it has fewer pins and is typically used for connecting telephones and fax machines. RJ-10 is not a commonly used connector and is not relevant to this question.

A megabyte is a unit of measurement used to quantify the size of computer memory and hard drives. It represents a significant amount of data storage and is commonly abbreviated as MB. This measurement allows users to understand the capacity of their computer's memory and storage devices, helping them determine how much data can be stored and processed.

The given options are Windows XP, Windows Vista, Windows 7, and Windows 98. The correct answer is Windows 7 because it is the newest operating system among the given options. Windows XP is older than Windows 7, Windows Vista is not the newest and is actually called Windows 8, and Windows 98 does not refer to the year it was made but rather a version number.

The correct answer is a security program that blocks out intruders from accessing your computer. A firewall is a software or hardware-based network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and an untrusted external network, filtering out potentially harmful or unauthorized connections. Its main purpose is to prevent unauthorized access to or from a private network, ensuring the security and integrity of the network and the data it contains.

Downloading means getting a copy of a file to view, use, or save on your computer. This term is commonly used when retrieving files from the internet. It can refer to various types of files such as documents, images, videos, or software programs. When you download a file, it is transferred from a remote server to your local device, allowing you to access and manipulate it offline.

An operating system is a piece of software that controls the computer once it is loaded. It manages the hardware and software resources of a computer system and provides a platform for other software to run on. Windows is an example of an operating system.

The ATX is not a type of motherboard expansion slot, but rather a form factor specification that determines the physical dimensions and layout of the motherboard. It specifies the size, shape, and mounting hole locations, but does not refer to any specific expansion slots. ISA, PCI, and AGP, on the other hand, are all types of motherboard expansion slots that allow additional devices to be connected to the motherboard.

When you defrag (defragment) your computer, you are running a program that rearranges the files on your computer's hard drive to organize them in a more efficient way. This process helps improve the computer's performance by grouping similar files together and reducing the amount of time it takes for the computer to access those files. Defragging does not involve taking apart the computer or removing viruses and nasty programs, as stated in the incorrect explanations. Additionally, the term "defrag" is not a polite swear word used by computer geeks, but rather a technical term for this specific process.

Random access memory (RAM) is a type of computer memory that is used to store data and instructions that are currently being used by the computer. It is a volatile memory, meaning that its contents are lost when the computer is powered off. RAM allows the computer to quickly access and retrieve data, which helps in improving the overall performance of the system. It is different from the storage memory where files are saved on the computer's hard drive or solid-state drive.

ROM, which stands for Read-Only Memory, retains the information it's storing even when the power to the system is turned off. This is because ROM is a non-volatile memory type, meaning that it does not require power to maintain its stored data. Unlike RAM, which is volatile and loses its data when power is disconnected, ROM is designed to store permanent instructions or data that are essential for the system's operation.

The correct answer is "Blue Screen of Death. This is when the blue screens appears with an error stop code and this indicates you have a computer error!" This explanation correctly identifies the BSOD as a phenomenon where a blue screen with an error stop code appears on a computer screen, indicating a computer error. This is a common term in technical jargon and is widely recognized in the field of computing.

Plugging your computer and its accessories into a surge protector helps prevent a nearby lightning strike from destroying your computer. Surge protectors are designed to absorb and redirect excess electrical energy, such as a power surge caused by a lightning strike. By using a surge protector, you provide a layer of protection for your computer and its components, reducing the risk of damage from electrical surges.

A high density (HD) floppy disk can hold 1.44 MB of data. This type of floppy disk was commonly used in the past to store and transfer files. It had a higher storage capacity compared to earlier versions of floppy disks, such as the 124 KB and 640 KB options. The 2.88 MB option is not correct as it refers to a different type of floppy disk that was less commonly used.

The correct answer is 5.6GHz (1.4GHz x 4). The computer's processor is described as a 1.4GHz Quad-core, which means it has four cores running at a speed of 1.4GHz each. To calculate the total speed of the processor, we multiply the speed of one core (1.4GHz) by the number of cores (4), resulting in a total speed of 5.6GHz.