Basic Computer Practice Quiz For Students

The correct answer is PC because PC stands for "personal computer", which is a type of computer that is designed for personal use by an individual. It is a general-purpose computer that can perform various tasks such as word processing, internet browsing, gaming, and more. PC is a commonly used term in the field of technology to refer to desktop computers or laptops that are used by individuals for personal and professional purposes.

The term "CPU" stands for "central processing unit." It refers to the primary component of a computer that carries out instructions and performs calculations. The CPU is responsible for executing program instructions, managing data processing, and coordinating the activities of all the hardware and software components within a computer system.

The computer abbreviation KB usually means kilo byte, which is a unit of digital information storage equal to 1,024 bytes. In computing, memory and storage capacities are often measured in kilobytes, megabytes, gigabytes, and so on. The abbreviation "KB" specifically represents a kilo byte, indicating a quantity of data.

The correct answer is CPU. CPU stands for Central Processing Unit, which is often referred to as the "brain" of the computer. It is responsible for executing instructions, performing calculations, and managing the flow of data within the computer system. The CPU is a crucial component that controls and coordinates the activities of all the other hardware components, including the monitor.

Laptops are computers that can be carried around easily due to their compact and portable design. Unlike minicomputers and supercomputers, which are larger and more stationary, laptops are designed for mobility and convenience. PCs, or personal computers, can vary in size and portability depending on the model, but laptops specifically are known for their easy transportability. Therefore, laptops are the correct answer to the question.

Hacking is known as unauthorized access to others' systems. It involves gaining unauthorized access to computer systems or networks in order to obtain information, manipulate data, or disrupt the system's functioning. Hacking can be done for various purposes, including theft, espionage, or simply for the thrill of the challenge. It is considered illegal and unethical, as it violates the privacy and security of individuals and organizations.

The correct answer is HARD DISK. A hard disk is a storage device found inside a computer. It is a non-volatile memory device that stores and retrieves digital information using rapidly rotating disks coated with magnetic material. It provides a large amount of storage space for files, programs, and operating systems. Unlike other options such as CDROM, ZIP DISK, and SUPER DISK, a hard disk is a permanent storage device that is typically installed inside the computer's casing.

RAM stands for Random Access Memory. This type of memory allows data to be read from or written to in any order, making it a crucial component in a computer's functioning. Unlike other types of memory, such as read-only memory (ROM) which can only be read, RAM allows for quick and efficient data access, making it ideal for storing and retrieving data that is actively being used by the computer's processor.

YouTube, a popular platform for streaming videos online, is provided by Google. Google acquired YouTube in November 2006, and since then, it has become an integral part of Google's services. YouTube allows users to upload, view, and share videos, making it a widely used platform for entertainment, education, and communication. With Google's resources and infrastructure, YouTube has grown into one of the largest video-sharing platforms globally, offering a seamless experience for users worldwide.

CRT stands for Cathode Ray Tube. This technology was used in older television sets and computer monitors. It consists of a vacuum tube with an electron gun that emits a beam of electrons, which is then directed towards a screen coated with phosphors. When the electrons hit the phosphors, they emit light, creating the images that we see on the screen. CRTs were widely used until the advent of flat-screen displays.

The internet allows you to send electronic mail, view web pages, and connect to servers all around the world. This means that you can communicate with others through email, access information and resources on the web, and connect to servers located in different parts of the world for various purposes. Therefore, the correct answer is "all of the above."

Magnetic tape can hold the maximum amount of data compared to the other options listed. This is because magnetic tape has a larger storage capacity and can store data in a sequential manner. It is commonly used for long-term storage and backup purposes due to its high storage capacity, making it suitable for archiving large amounts of data. Optical disks, floppy disks, and magnetic disks inside computers have smaller storage capacities compared to magnetic tape.

The page layout view allows users to see how the content on a printed page will appear, including the footer, header, and margins. This view is useful for previewing and adjusting the layout of a document before printing it. It provides a visual representation of how the document will be arranged on the page, helping users to make any necessary adjustments to ensure the desired formatting and appearance.

A computer mouse is considered an input device because it allows the user to interact with the computer by moving the cursor on the screen and selecting various options or actions. It sends signals to the computer, allowing the user to provide input and control the computer's functions.

LAN stands for Local Area Network, which refers to a small, single-site network. It is a network that connects computers and devices within a limited area, such as a home, office, or school. LANs are typically used for sharing resources, such as files and printers, and for facilitating communication between devices within the network.

The movement of signals between the CPU and input/output devices is controlled by the Control Unit. The Control Unit is responsible for coordinating and managing the execution of instructions in the CPU, including the transfer of data between the CPU and input/output devices. It controls the flow of data and signals, ensuring that the right data is sent to the right destination at the right time.

The correct answer is "hardware". Hardware refers to any physical component of a computer system that can be seen and touched. This includes devices such as the central processing unit (CPU), memory modules, hard drives, keyboards, and monitors. Unlike software, which consists of programs and data that are stored electronically, hardware is the tangible part of the computer that enables it to function. Storage and peripherals are also components of hardware, but software refers to the programs and instructions that run on the hardware.

When a particular object or image is copied, it is stored in the clipboard. The clipboard is a temporary storage area in a computer's memory that allows users to copy and paste text, images, or other data between different applications or within the same application. It acts as a buffer, holding the copied data until it is pasted elsewhere. This allows users to easily transfer information from one location to another without having to retype or recreate it.

The operating system is responsible for managing various aspects of a computer system, such as memory, disk, and applications. However, virus protection is not typically considered a core function of the operating system. While some operating systems may include basic security features, such as firewalls or built-in antivirus software, these are usually separate applications that work in conjunction with the operating system rather than being an inherent function of it. Therefore, virus protection is not a function of the operating system.

The word "peripherals" does not belong to the group because it refers to external devices or hardware that are connected to a computer, while the other words (applications, programs, software, commands) are all related to computer software or instructions.

A 3.5-inch floppy drive is a type of storage device. It is used to read and write data on 3.5-inch floppy disks, which were commonly used for data storage in the past. The floppy drive has a mechanism that allows it to read and write data on the magnetic surface of the floppy disk, making it a storage device.

The basic goal of a computer process is to convert data into information. This is because data by itself is raw and unprocessed, whereas information is organized, meaningful, and useful. Computers perform various operations on data, such as sorting, analyzing, and summarizing, to transform it into information that can be easily understood and utilized by users.

Multitasking refers to the capability of a computer to perform more than one task at the same time. It allows the computer to switch between different tasks quickly, giving the illusion of simultaneous execution. This is achieved through the use of scheduling algorithms that allocate CPU time to different tasks. Multitasking is commonly used in modern operating systems to enhance efficiency and productivity by allowing users to run multiple applications simultaneously.

The shortcut key "ctrl+Z" is used to "undo" the last action in a document. This means that if you make a mistake or want to revert back to a previous state, pressing "ctrl+Z" will reverse the most recent action. It is a commonly used shortcut in many applications and allows users to quickly correct errors without having to manually undo each step.

Compression is the correct answer because it refers to the process of reducing the size of a file so that it takes up less storage space. This is commonly done by removing unnecessary data or using algorithms to encode the data more efficiently. Compression is often used to make file transfers faster and to save storage space on devices.

The correct answer is "title bar". The title bar is a horizontal bar located at the top of a window or application. It displays the title of the window or application and usually contains buttons for minimizing, maximizing, and closing the window. The title bar helps users identify and navigate between different windows or applications that are open on their screen.

The correct answer is "envelope" because an envelope is commonly used as a symbol to represent an inbox in mail. It is a universally recognized symbol that represents receiving mail or messages.

The term "user friendly" is used to describe something that is easy to use or understand, especially in terms of instructions or interfaces. In this context, it means that the thing being referred to has easily understood instructions, making it accessible and convenient for users.

RAM (Random Access Memory) is not an example of a storage device because it is a type of computer memory used for temporary storage of data that is actively being used by the computer's processor. Unlike storage devices such as CDs, floppies, hard disks, and DVDs, RAM does not retain data when the computer is powered off. It is volatile memory, meaning that its contents are lost when the power is turned off or interrupted. Therefore, RAM is not considered a storage device as it does not provide long-term data storage.

ROM stands for Read-Only Memory. It is a type of computer memory that is non-volatile, meaning the data stored in it is not lost when the computer is powered off. Unlike RAM, which is volatile and temporary, ROM retains its data permanently. Therefore, data is saved permanently in ROM.

Pressing Alt+F in most software programs opens the file menu. This menu typically contains options related to opening, saving, and managing files. Therefore, the correct answer is "file".

The odd one out in this list is the microphone. The other items in the list (projector, speakers, monitor, and printer) are all electronic devices that are used for displaying or reproducing audio or visual content. However, a microphone is used for capturing sound and inputting it into a device or system, making it different from the others in terms of functionality.

The second largest unit of RAM is gigabyte. RAM (Random Access Memory) is a type of computer memory that is used for temporary storage of data that is actively being used by the computer. The units of RAM are typically measured in bytes, with larger units such as kilobytes, megabytes, gigabytes, and terabytes. In this case, gigabyte is the second largest unit, coming after terabyte.

An example of non-numeric data is "information, reporting" because it consists of words and phrases rather than numerical values. Non-numeric data refers to any type of data that cannot be expressed in numerical form, such as text, letters, words, or symbols. In this case, "information, reporting" represents textual information or reports, which are not numeric in nature.

Printers are the most likely type of resource to be a shared common resource in a computer network. This is because multiple users can send print jobs to a printer through the network, allowing them to share the printer and its functionality. Other resources like speakers, floppy disk drives, and keyboards are typically not shared in the same way as printers in a computer network.

SRAM (Static Random Access Memory) is the correct answer because it is faster than both DRAM (Dynamic Random Access Memory) and RRAM (Resistive Random Access Memory). SRAM is a type of memory chip that uses flip-flop circuits to store data, allowing for faster access times compared to the other two options. DRAM, on the other hand, requires constant refreshing of data and has slower access times. RRAM is a newer technology that offers potential advantages in terms of density and power consumption, but it is not currently faster than SRAM.

Active desktop is the correct answer because it refers to a feature that allows users to customize their desktop by displaying information that can be updated from the internet. This feature enables users to have live or dynamic content on their desktop, such as news feeds, weather updates, or stock tickers, which can be automatically refreshed from online sources. It enhances the user experience by providing real-time information and personalized content directly on the desktop, making it a convenient and efficient way to stay updated without the need to open separate applications or web browsers.

The correct answer is "left" because it is the alignment option that would position the text in a column to the left side of the column.

The speed of a supercomputer is measured in floating point operations per second. Floating point operations refer to mathematical calculations that involve decimal numbers with a fractional part. Supercomputers are designed to handle complex scientific and engineering calculations that often involve these types of operations. Measuring the speed of a supercomputer in floating point operations per second provides an indication of its computational power and ability to perform these calculations efficiently.

Magnetic tape can hold the maximum amount of data compared to the other options listed. This is because magnetic tape has a much higher storage capacity than optical disks, floppy disks, and magnetic disks inside computers. Magnetic tape is commonly used for large-scale data storage and backup purposes, making it an ideal choice when maximum data storage is required.