Computer Operator Online Quize

The CPU (Central Processing Unit) is often referred to as the brain of the computer because it is responsible for executing instructions and performing calculations. It is the primary component that carries out the instructions of a computer program, making it the most essential part of a computer system. The other options, such as the monitor, keyboard, and server, are important components as well, but they do not have the same level of control and processing capabilities as the CPU.

The correct answer is Central Processing Unit. CPU stands for Central Processing Unit, which is the main component of a computer that performs most of the processing inside the computer. It is responsible for executing instructions, performing calculations, and managing the flow of data between different components of the computer system.

In Excel, multiplication is done using the asterisk symbol (*).

Cache memory is the fastest memory to access. It is a small, high-speed memory that stores frequently accessed data and instructions. It is located closer to the CPU than main memory (RAM) and is designed to provide quick access to data that is needed by the CPU. Cache memory operates at a much higher speed than RAM, allowing the CPU to retrieve data and instructions more quickly, thereby improving overall system performance.

The CPU, or Central Processing Unit, is the main component of a computer system. It consists of three main parts: the Memory Unit (MU), which stores data and instructions; the Control Unit (CU), which coordinates and controls the operations of the CPU; and the Arithmetic Logic Unit (ALU), which performs arithmetic and logical operations. Therefore, the correct answer is "All of above" as it includes all the mentioned components of the CPU.

Microsoft developed MS Office.

The given formula "=A6+C6" is true because it correctly adds the values of cells A6 and C6. This formula follows the basic syntax of a formula in which the "=" sign is used to indicate the start of a formula, followed by the cell references and the arithmetic operator "+". Therefore, the formula "=A6+C6" will sum the values in cells A6 and C6.

FTP stands for File Transfer Protocol. It is a standard network protocol used for the transfer of files between a client and a server on a computer network. The protocol allows for the reliable and efficient transfer of files, ensuring that they are delivered intact and without errors. FTP is widely used for uploading and downloading files to and from servers, making it an essential tool for file management and sharing.

The thesaurus tool in a word processor is used to find synonyms and antonyms for words. It helps users to enhance their vocabulary and find alternative words with similar or opposite meanings. This tool is useful for improving writing skills, avoiding repetition, and adding variety to the text.

HTTP (Hypertext Transfer Protocol) is a communication protocol that allows for the transfer of files and data between a client (such as a web browser) and a server (such as a web server). It is specifically designed for communication between web servers and clients, making it the correct answer in this case. The other options are incorrect as they do not accurately describe the purpose or use of HTTP.

A computer professional working in offices who operate computers is called "Humanware" because it refers to the human aspect of operating and utilizing computer systems. This term emphasizes the role of humans in managing and utilizing computer technology in an office setting. Shareware, Firmware, and Airware are not relevant to the given context and do not describe the computer professional.

The correct answer is MD. MD stands for "make directory" and is a command used in various operating systems, such as Windows, to create a new directory or folder. By using the MD command followed by the desired directory name, users can easily create a new directory within the current location or specify a specific path for the new directory to be created.

The "Ver" command is used to see the version of the operating system.

RAM (Random Access Memory) is the correct answer because it is a type of computer memory that allows for both reading and writing of data simultaneously. Unlike ROM (Read-Only Memory), which only allows for reading of data, RAM is a volatile memory that can be written to and read from by the computer's processor. This makes RAM essential for the functioning of a computer, as it provides temporary storage for data and instructions that are actively being used by the system.

To access the 'Symbol' dialog box, the user needs to click on the 'Insert' menu and select 'Symbol'. The 'Insert' menu typically contains options for adding various elements or objects into a document, such as tables, pictures, or symbols. By choosing the 'Symbol' option from the 'Insert' menu, the user can open the 'Symbol' dialog box, which allows them to insert special characters, symbols, or glyphs into their document.

Superscript is not a font style because it is a formatting option that raises the text above the baseline. It is used to denote mathematical exponents, footnotes, or ordinal indicators. Font styles, on the other hand, refer to variations in the weight, slant, or decoration of the characters, such as bold, italics, or regular.

The device that understands the user's instructions is the input device. Input devices are used to provide instructions or data to a computer system, allowing the user to interact with the computer and communicate their instructions or commands. These devices include keyboards, mice, touchscreens, scanners, etc. They convert the user's input into a format that the computer can understand and process.

The correct answer is Mouse because a mouse is an input device that allows the user to interact with a computer by moving the cursor on the screen and selecting objects or options. Keyboards and scanners are also input devices, but the question specifically asks for the input device, and the mouse fits this description.

Ms PowerPoint is a presentation software that allows users to create and deliver professional-looking slideshows. It provides various tools and features to enhance the visual appeal of presentations, such as templates, animations, and multimedia integration. With PowerPoint, users can effectively communicate their ideas, data, and information through visually engaging slides. It is widely used in business, education, and other sectors for creating and delivering presentations in a professional and organized manner.

The default number format will be aligned to the left before it. This means that when numbers are displayed, they will be positioned towards the left side of the cell or text box. This is the standard alignment for numbers in most cases, as it allows for easy reading and comparison of values.

Ada Lovelace is considered to be the first programmer because she wrote the first algorithm intended to be processed by a machine. She worked with Charles Babbage on his Analytical Engine, a mechanical general-purpose computer, and wrote a set of instructions for it. These instructions are now recognized as the first computer program. Ada Lovelace's contributions to computer science and her recognition as the first programmer make her the correct answer to the question.

When you print preview a worksheet, all of the above options are displayed. This means that the entire worksheet, the selected range, and the active portion of the worksheet are all shown in the print preview. This allows you to see exactly how the worksheet will appear when printed, giving you the opportunity to make any necessary adjustments before printing.

To enter a number as text, you must type an apostrophe before it. This indicates to the computer that the number should be treated as a text or string instead of a numerical value. The apostrophe is used as a formatting symbol to convert numbers into text format in certain software applications like Microsoft Excel.

To insert a graphic or company's logo on a report, you need to select "insert" from the menu and then choose "picture." This option allows you to browse and select the desired graphic or logo file from your computer to insert it into the report.

Borders can be applied to cells, paragraphs, and text. This means that you can add borders to individual cells in a table, paragraphs in a document, and specific sections of text. Applying borders can help to visually separate and highlight different elements within a document or design.

In Ms Excel, by default, three worksheets are displayed. This means that when you open a new Excel file, you will see three blank sheets at the bottom of the screen. These sheets can be used to organize and store data separately. If you need more sheets, you can easily add them by clicking on the plus sign next to the existing sheets.

The correct answer is Accuracy. Digital computers did not score over analog computers in terms of accuracy. While digital computers are precise and can perform complex calculations, analog computers were known for their ability to provide continuous and accurate outputs. They were particularly useful in fields such as engineering and physics where precise measurements and calculations were required. Digital computers, on the other hand, were more suited for tasks that required high-speed calculations and the ability to store and process large amounts of data.

The correct answer is "Center" because center is not a type of page margin. Page margins typically refer to the blank spaces around the edges of a printed or written page, and they are usually set to ensure proper alignment and readability of the content. The options "Top," "Left," and "Right" are all valid types of page margins that can be adjusted according to the desired layout, but "Center" does not fall into this category.

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None of the keys mentioned (ESC key, End Key, Shift Key) are used to copy cell contents using drag and drop. To copy cell contents using drag and drop, you need to click and hold the left mouse button on the cell, drag it to the desired location, and then release the mouse button.

Portrait and Landscape are options for page orientation in a document. Page orientation refers to the direction in which the content of a document is displayed, either vertically (portrait) or horizontally (landscape). Page Layout, Paper Size, and All of above are not accurate descriptions for Portrait and Landscape, therefore they are not the correct answer.

The output quality of a printer is measured by dots per inch (dpi). This refers to the number of dots that the printer can produce within a one-inch area. A higher dpi means that the printer can produce more dots within the same space, resulting in a higher resolution and better print quality. Therefore, dots per inch is the most appropriate measure for evaluating the output quality of a printer.

Slide layout refers to the way things are arranged on a slide. It includes the placement of text boxes, images, graphs, and other elements on a slide. By selecting a specific slide layout, users can easily create a professional and visually appealing presentation. Each layout has pre-defined placeholders for content, making it easier for users to add and organize their information. This allows presenters to focus on the content of their slides while ensuring a consistent and visually appealing design throughout the presentation.

HTML stands for Hypertext Markup Language. It is the standard markup language used for creating web pages and web applications. It is not Hypertext Module Language or Hypertext Makeup language. Therefore, the correct answer is Hypertext Markup language.

The correct answer is Ctrl+;. This keyboard shortcut is used to enter the current date in various software applications, such as Microsoft Excel. By pressing Ctrl+;, the current date will be inserted into the active cell or selected range. This shortcut can save time and effort when working with dates and helps ensure accurate data entry.

The correct answer is "win" because it is the application name of Microsoft Office Word.

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When you click on "Insert Picture" clip art, it opens the clip art task bar. This task bar allows you to browse and choose from a variety of clip art options to insert into your document.

The correct answer is "Central unit." The term "CU" stands for "Central Unit." This refers to a central processing unit or mainframe computer that performs the majority of the processing tasks in a computer system. It is responsible for executing instructions, performing calculations, and managing data storage and retrieval. The other options, "Centre Unit" and "Control Unit," do not accurately represent the full form of "CU."

You can use Design View to create a new table in your database. In Design View, you can define the structure of the table by specifying the field names, data types, and any additional properties for each field. This method allows you to have more control over the table's structure and define it according to your specific requirements.

Ctrl+D shortcut key in Excel will fill down in the selection. This means that it will copy the content from the cell above and paste it into the selected cells below, maintaining any formatting or formulas. It is a quick way to populate a column or row with the same data.

ROM stands for Read-Only Memory. It is a type of computer memory that stores data permanently and cannot be modified or erased by normal computer operations. ROM is used to store the program of a company's products because it allows the program to be permanently stored and accessed by the computer whenever needed, even when the power is turned off. This makes ROM ideal for storing firmware and other essential programs that need to be retained even without power.

F3 is the correct answer because it is the function key used to paste a name into a formula. When editing the text of the active cell, pressing F3 opens the "Paste Name" dialog box, allowing the user to select and insert a named range or cell reference into the formula.

The correct answer is "Queries". Queries are used to retrieve specific data from a database. They allow users to search for and extract information based on specific criteria or conditions. Unlike tables, forms, and reports, which are used for data organization and presentation, queries are specifically designed for data retrieval.

The first step in creating a form or report with the form wizard or report wizard is selecting the field that you want to appear in the form or report. This step allows you to choose the specific data that you want to include in the form or report, helping you to customize it according to your needs. By selecting the field, you can ensure that the form or report displays the relevant information that you want to present to the users.

The correct answer is "Save tab on options dialog box". This is because the Save tab on the options dialog box allows users to specify the frequency at which the document is automatically saved. This feature ensures that the document is saved regularly, reducing the risk of losing unsaved work in case of unexpected events like power outages or system crashes. The Save As dialog box, on the other hand, is used to save a document with a different name or in a different location, and is not directly related to automatic saving.

The correct answer is "All of Above". This is because there are indeed two kinds of main memory: ROM (Read-Only Memory) and RAM (Random Access Memory), which are both types of primary memory. Additionally, primary memory is also known as main memory, while secondary memory refers to external storage devices. Lastly, random and sequential are two different access methods used for retrieving data from memory.

Ctrl+M is the correct answer because it is the command used to insert a duplicate slide in the current presentation. This shortcut allows users to quickly create a copy of the selected slide without having to manually copy and paste the content. By pressing Ctrl+M, the duplicate slide will be inserted directly after the selected slide, making it a convenient and efficient way to add repetitive or similar content to a presentation.

In order to display the related records from other tables in a datasheet view, you can apply the filter by command. This allows you to filter the records based on specific criteria and display only the related records. By applying the filter, you can easily view the records that are related to the current record in the datasheet. This is a convenient way to analyze and understand the relationships between different tables in a database.