# Computer Vocabulary Practice Exam: Quiz!

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Are you ready to take a computer vocabulary practice exam? For this quiz, you will need to know where to find an electronic signal, what kind of software program allows you to look at the worldwide web, the difference between a gigabyte and megabyte, which part represents the brain of the computer, and what does a blinking light on the screen means. This quiz goes over computer vocabulary, and it tests your computer intelligence.

• 1.

### An extra copy of a document, file or program.

• A.

Binary

• B.

Backup

• C.

Chip

• D.

Modem

B. Backup
Explanation
A backup is an extra copy of a document, file, or program that is made to prevent data loss in case the original copy becomes damaged, lost, or corrupted. It is a precautionary measure to ensure that important data can be restored and accessed in the event of any unforeseen circumstances.

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• 2.

### Refers to base two arithmetic using the numbers 0 and 1.

• A.

Basic

• B.

Byte

• C.

Binary

• D.

Browser

C. Binary
Explanation
Binary refers to base two arithmetic using the numbers 0 and 1. In binary, each digit is called a bit, and it represents a power of 2. This system is commonly used in computer science and digital electronics, as it allows for easy representation and manipulation of data using only two symbols. The answer "Binary" is correct because it accurately describes the concept of base two arithmetic using 0 and 1.

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• 3.

### An electronic signal which is either on (1) or off (0)

• A.

Bit

• B.

Binary

• C.

Byte

• D.

Backup

A. Bit
Explanation
A bit is the correct answer because it refers to an electronic signal that can be either on (1) or off (0). In computing, a bit is the smallest unit of information and is used to represent data or instructions in binary form. It is the fundamental building block of digital communication and storage systems.

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• 4.

### A software program that lets you explore the World Wide Web.

• A.

Modem

• B.

Computer

• C.

Browser

• D.

Database

C. Browser
Explanation
A browser is a software program that allows users to access and explore the World Wide Web. It enables users to view webpages, navigate through websites, and interact with various online content such as text, images, videos, and links. Browsers provide a user-friendly interface and support features like bookmarks, history, and tabbed browsing to enhance the web browsing experience. They interpret HTML code and render webpages, enabling users to access and consume information from the internet.

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• 5.

### A group of 8 bits.

• A.

Gigabyte

• B.

Megabyte

• C.

Byte

• D.

Binary

C. Byte
Explanation
A byte is a unit of digital information that consists of 8 bits. It is the basic building block of computer memory and storage. Each byte can represent a single character or symbol in a computer system. Therefore, the correct answer is Byte.

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• 6.

### A round, shiny portable disk that stores large amounts of software and information.

• A.

CD

• B.

CD-ROM

• C.

RAM

• D.

ROM

B. CD-ROM
Explanation
A CD-ROM is a round, shiny portable disk that stores large amounts of software and information. It is a type of optical disc that can be read by a computer or other electronic devices. Unlike a regular CD, which can only store audio files, a CD-ROM can store various types of data, including software programs, documents, and multimedia files. The "ROM" in CD-ROM stands for "Read-Only Memory," indicating that the data on the disk cannot be altered or erased. Therefore, CD-ROMs are commonly used for distributing software and other media.

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• 7.

### A tiny piece of silicon with electronic circuits.

• A.

Chip

• B.

Icon

• C.

Pixel

• D.

Bit

A. Chip
Explanation
A chip is a tiny piece of silicon that contains electronic circuits. It is used in various electronic devices to perform specific functions. The circuits on the chip are designed to carry out tasks such as processing data, storing information, or controlling other components of the device. Therefore, the given answer "Chip" accurately describes a tiny piece of silicon with electronic circuits.

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• 8.

### An electronic machine with input, processing, storage, and output.

• A.

Database

• B.

• C.

Virus

• D.

Computer

D. Computer
Explanation
The given answer "Computer" is the correct choice because it is the only option that encompasses all the mentioned components - input, processing, storage, and output. A computer is an electronic machine that can receive input from various sources, process the information using its internal components, store data in its memory or storage devices, and provide output through a display, printer, or other output devices. Therefore, a computer fulfills all the requirements mentioned in the question.

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• 9.

### The "brain" of the computer.

• A.

CPU

• B.

CD-ROM

• C.

CD

• D.

Computer

A. CPU
Explanation
The correct answer is CPU (Central Processing Unit). The CPU is often referred to as the "brain" of the computer because it is responsible for executing instructions and performing calculations. It controls the operations of the computer and coordinates the activities of all the other hardware components. Without the CPU, a computer would not be able to process data or perform any tasks.

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• 10.

### A blinking line or shape on the screen that tells you where the next character will go.

• A.

Icon

• B.

Cursor

• C.

Pixel

• D.

Bit

B. Cursor
Explanation
A cursor is a blinking line or shape on the screen that indicates the current position for entering text or selecting options. It helps the user to identify where the next character or action will take place. Cursors are commonly seen in word processors, text editors, and other software applications that involve text input or manipulation.

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• 11.

• A.

Megabyte

• B.

Gigabyte

• C.

Bit

• D.

Chip

B. Gigabyte
Explanation
A gigabyte is a unit of digital information that represents approximately one billion bytes. It is commonly used to measure the storage capacity of computer systems and digital devices.

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• 12.

### A fixed, large-capacity magnetic storage medium that stores large amounts of information.

• A.

Monitor

• B.

Browser

• C.

Virus

• D.

Hard Drive

D. Hard Drive
Explanation
A hard drive is a fixed, large-capacity magnetic storage medium that stores large amounts of information. It is a crucial component of a computer system as it allows for long-term storage of data, including the operating system, software, and user files. Unlike other options listed, such as a monitor, browser, or virus, a hard drive is specifically designed for storage purposes and is capable of holding significant amounts of data for retrieval and use by the computer system.

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• 13.

### The parts of the computer system that you can touch.

• A.

Software

• B.

Hardware

• C.

Hard Drive

• D.

RAM

B. Hardware
Explanation
Hardware refers to the physical components of a computer system that can be touched or physically interacted with. This includes devices such as the monitor, keyboard, mouse, CPU, motherboard, hard drive, RAM, and other peripherals. Software, on the other hand, refers to the programs, applications, and instructions that run on the hardware. While the hard drive and RAM are specific components of the hardware, they fall under the broader category of hardware itself.

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• 14.

### A tiny picture on the screen that represents a program, file or folder.

• A.

Pixel

• B.

Chip

• C.

Byte

• D.

Icon

D. Icon
Explanation
An icon is a small image that is used to represent a program, file, or folder on a computer screen. Icons are typically visually distinct and serve as a visual shortcut for users to quickly identify and access specific items on their computer. Icons are commonly used in graphical user interfaces (GUIs) to enhance the user experience and make it easier to navigate and interact with digital content.

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• 15.

• A.

Gigabyte

• B.

RAM

• C.

Megabyte

• D.

ROM

C. Megabyte
Explanation
A megabyte is a unit of digital information storage that is approximately equal to one million bytes. It is commonly used to measure the size of files or the amount of memory in a computer system. In this context, the statement "About a million bytes" accurately describes the size of a megabyte.

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• 16.

### A device that links a computer to other computers through a phone line.

• A.

Virus

• B.

Cursor

• C.

Software

• D.

Modem

D. Modem
Explanation
A modem is a device that connects a computer to other computers through a phone line. It allows the computer to send and receive data over the phone line, enabling communication and access to the internet. This device is essential for establishing a connection between computers and facilitating data transfer.

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• 17.

### A display screen used to provide output.

• A.

Modem

• B.

Pixel

• C.

Monitor

• D.

Cursor

C. Monitor
Explanation
A monitor is a display screen that is used to provide output. It is a device that visually displays information from a computer or other electronic devices. Monitors are commonly used for viewing text, images, videos, and other visual content. They come in various sizes, resolutions, and types such as LCD, LED, and OLED. Monitors are an essential component of a computer system as they allow users to view and interact with the output generated by the device.

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• 18.

### The computer's working memory. (temporary storage)

• A.

ROM

• B.

RAM

• C.

CD-ROM

• D.

URL

B. RAM
Explanation
RAM stands for Random Access Memory, which is a type of computer memory that is used for temporary storage of data that is actively being used by the computer's operating system, software, and processes. Unlike ROM (Read-Only Memory), which stores permanent data and instructions that cannot be modified, RAM allows for the quick and temporary storage of data that can be read from and written to by the computer's processor. RAM is essential for the smooth and efficient functioning of a computer as it provides the necessary space for the computer to quickly access and manipulate data in real-time.

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• 19.

### The programs that run on a computer.

• A.

• B.

Database

• C.

Hardware

• D.

Software

D. Software
Explanation
The question is asking for the term that refers to the programs that run on a computer. Out of the given options, "Software" is the correct answer. Software includes all the programs, applications, and operating systems that enable a computer to perform various tasks. It is the non-tangible part of a computer system that controls and manages the hardware components.

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• 20.

### A document that helps you organize data in rows and columns of cells.

• A.

• B.

Database

• C.

Software

• D.

Virus

Explanation
A spreadsheet is a document that allows users to organize data in rows and columns of cells. It is a software tool that is commonly used for tasks such as budgeting, financial analysis, and data management. With a spreadsheet, users can input and manipulate data, perform calculations, and create charts or graphs based on the data. It is a versatile tool that offers a structured and organized way to store and analyze information.

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• 21.

### An organized collection of information.

• A.

• B.

Database

• C.

Software

• D.

Virus

B. Database
Explanation
A database is an organized collection of information that can be stored, managed, and accessed electronically. It is designed to efficiently store and retrieve large amounts of data, providing a structured and systematic approach to storing and organizing information. Unlike spreadsheets or software, which can also store data but may not have the same level of organization and structure, a database is specifically designed for this purpose. A virus, on the other hand, is a malicious software that can infect and harm computer systems, which is unrelated to organizing information.

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• 22.

### A tiny dot of light on the screen.

• A.

Icon

• B.

Pixel

• C.

Cursor

• D.

Bit

B. Pixel
Explanation
A pixel is a tiny dot of light on a screen that represents a single point in an image or display. It is the smallest unit of measurement in a digital image, and multiple pixels together form the complete image. The given description perfectly matches the definition of a pixel, making it the correct answer.

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• 23.

### The address of a website on the World Wide Web.

• A.

Browser

• B.

URL

• C.

Modem

• D.

Byte

B. URL
Explanation
A URL (Uniform Resource Locator) is the address of a website on the World Wide Web. It specifies the location of a web page or resource on the internet, allowing browsers to retrieve and display the content. URLs typically consist of a protocol (such as HTTP or HTTPS), followed by the domain name and the specific path to the resource.

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• 24.

### A printed copy.

• A.

Hard Copy

• B.

Soft Copy

• C.

Monitor

• D.

Hardware

A. Hard Copy
Explanation
A hard copy refers to a physical printout of a document or file, typically on paper. It is the opposite of a soft copy, which is a digital version of the same document. The term "hard copy" is commonly used to distinguish physical copies from electronic ones. Therefore, a printed copy is synonymous with a hard copy, making it the correct answer.

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• 25.

### A computer program that was written to purposely damage computer systems.

• A.

Software

• B.

Virus

• C.

Hard Copy

• D.

Browser

B. Virus
Explanation
A virus is a computer program that is intentionally designed to cause harm to computer systems. It can replicate itself and spread from one computer to another, causing damage to files, corrupting data, and disrupting the normal functioning of the system. Viruses can be transmitted through various means such as email attachments, infected websites, or file downloads. Once a computer is infected with a virus, it can cause a range of problems, including system crashes, slow performance, and loss of data. Therefore, the correct answer is "Virus."

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• 26.

• A.

RAM

• B.

CD-ROM

• C.

ROM

• D.

URL

C. ROM
Explanation
ROM stands for Read-Only Memory, which is a type of permanent memory built into a computer. Unlike RAM (Random Access Memory) which is volatile and temporary, ROM retains its data even when the computer is powered off. ROM is read-only, meaning that the data stored in it cannot be modified or erased. It contains firmware or software instructions that are permanently written during manufacturing and cannot be changed by the user. Therefore, ROM is the correct answer as it matches the given description of permanent memory that is read-only.

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• 27.

### The extensive, worldwide computer network available to the public.

• A.

Virus

• B.

Internet

• C.

Software

• D.

Browser

B. Internet
Explanation
The correct answer is Internet. The explanation is that the Internet is a vast computer network that is accessible to the public on a global scale. It allows users to connect and communicate with each other, access information, and use various online services. The Internet is not limited to a specific location or organization, making it a worldwide network.

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• 28.

### A type of printer that forms letters on the page by shooting tiny electrically charged droplets of ink.

• A.

Printer

• B.

Laser Printer

• C.

Ink Jet Printer

• D.

Hard Copy

C. Ink Jet Printer
Explanation
An inkjet printer is a type of printer that uses tiny electrically charged droplets of ink to form letters on the page. This printer works by spraying the ink onto the paper through a series of nozzles. The ink droplets are charged and directed onto the paper to create the desired text or image. Inkjet printers are known for their ability to produce high-quality prints and are commonly used for home or small office printing needs.

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• 29.

### A type of printer that uses a focused beam or light to transfer text and images onto paper.

• A.

Ink Jet Printer

• B.

Laser Printer

• C.

Hard Copy

• D.

Printer

B. Laser Printer
Explanation
A laser printer is a type of printer that uses a focused beam of light to transfer text and images onto paper. This beam of light, produced by a laser, scans across a photosensitive drum inside the printer. The drum is then charged with static electricity and attracts toner particles, which are transferred onto the paper and fused to it using heat. Laser printers are known for their high-quality prints and fast printing speeds, making them suitable for professional and large-volume printing tasks.

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• 30.

### The use of graphical symbols instead of text to control computer functions.

• A.

GUI

• B.

Chip

• C.

Icon

• D.

Mouse

A. GUI
Explanation
GUI stands for Graphical User Interface. It is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators instead of text commands. GUIs make it easier for users to navigate and control computer functions by using graphical symbols, such as icons, menus, and buttons. Therefore, GUI is the correct answer as it specifically refers to the use of graphical symbols instead of text to control computer functions.

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• Current Version
• Mar 19, 2023
Quiz Edited by
ProProfs Editorial Team
• Sep 09, 2010
Quiz Created by
Slaten

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