Computer Operator Model Questions Quiz -1

In Excel, a formula starts with the sign "=" to indicate that it is a formula and not a regular text entry. This sign is used to distinguish formulas from other data in a cell and to inform Excel that the content of the cell should be calculated based on the formula provided. Therefore, the correct answer is d. "=" because it is the standard way to begin a formula in Excel.

Excel files have a default extension of ".XLS". This extension is used to identify and differentiate Excel files from other file types. The ".XLS" extension is widely recognized and supported by various software applications and operating systems, making it the standard file format for Excel spreadsheets.

All of the above file formats can be added to a PowerPoint slide show. PowerPoint allows users to enhance their presentations by adding various types of media files such as audio, video, and images. This enables the presenter to create a more engaging and visually appealing presentation for their audience. By selecting option d, it implies that all the mentioned file formats (audio, video, and image) can be added to a PowerPoint slide show.

CAD stands for Computer Aided Design. This term refers to the use of computer software and tools to create, modify, analyze, and optimize designs. CAD is commonly used in various industries, including architecture, engineering, and manufacturing, to create 2D or 3D models of products or structures. It allows designers to visualize and simulate their ideas, making the design process more efficient and accurate.

Before printing a document, it is important to check all of the options mentioned. Page margin ensures that the content is properly aligned and does not get cut off. Page orientation determines whether the document will be printed in portrait or landscape mode. Page size ensures that the document will fit properly on the selected paper size. Therefore, checking all of these options is necessary to ensure that the document is printed correctly.

Superscripts is not a font style. Font styles refer to variations in the appearance of text, such as bold, italics, and regular. Superscripts, on the other hand, are a formatting option that raises text or numbers above the baseline, typically used for mathematical equations or footnotes. While superscripts can be applied to text, they are not considered a font style in the same way as bold, italics, or regular.

The options a, b, and d (.gif, .png, and .jpg) are all commonly used file extensions for image files. However, .wmv is a file extension used for Windows Media Video files, which are video files and not image files.

The correct answer is b. Centre. This is because center alignment is not a type of page margin. Page margins refer to the blank space around the edges of a page, which can be set to different measurements such as right, left, and top. However, center alignment refers to the positioning of text or objects in the center of a page, not the margin itself.

The correct shortcut key to create a registered trade-mark symbol ® in MS-Word is Alt + Ctrl + r. This combination of keys allows the user to quickly insert the registered trademark symbol into their document without the need to manually search for and insert the symbol from the character map or other menus.

The correct answer is d. All of the above. This means that all of the mentioned data types (Text, Currency, and Memo) are valid data types in MS-Access. MS-Access allows users to store and manipulate different types of data, and these data types are commonly used for storing and managing textual, numerical, and large text or memo data in the database.

The correct answer is d. CTRL + E. This shortcut is used to justify the text to the center. Justifying the text to the center means that the text will be aligned in the center of the page or text box, creating an equal amount of space on both the left and right sides of the text.

A footnote is a note at the bottom of a page that provides additional information or references about something mentioned in the document. It is typically used to cite sources, explain terms, or provide further context. Unlike a citation, which refers to a specific source, a footnote can include various types of information. A table of contents is a separate section that lists the main headings and subheadings in a document, while a marker is a general term that can refer to various things used to mark or highlight specific points in a document.

To insert a new slide in the current presentation, you can use the keyboard shortcut Ctrl + M. This shortcut allows you to quickly add a new slide without having to go through any menus or options. By pressing Ctrl + M, you can efficiently create a new slide and continue building your presentation seamlessly.

The binary number 1011 represents a combination of 1s and 0s. Each digit in a binary number represents a power of 2, starting from the rightmost digit as 2^0. In this case, the rightmost digit is 1, representing 2^0, followed by 1 representing 2^1, another 0 representing 2^2, and finally 1 representing 2^3. Adding up these powers of 2, we get 1 + 2 + 0 + 8 = 11. Therefore, the binary number 1011 is equivalent to 11 in decimal form.

The correct answer is "a. +". The plus symbol is not a logical operator, but an arithmetic operator used for addition. Logical operators are typically used in programming to compare values or perform logical operations, such as AND, OR, and NOT.

$A$1 refers to a specific cell in a spreadsheet, where the letter "A" represents the column and the number "1" represents the row. In this case, the answer "a. Absolute column and absolute row" means that the reference is fixed and will not change if the cell is copied or moved to another location in the spreadsheet.

The first tag in any HTML document should be the opening tag. This tag is used to define the root element of the HTML page and encloses all other HTML elements. It is important to have this tag at the beginning of the document to ensure proper structure and interpretation by web browsers.

The correct answer is b. homegroup. In Microsoft Network with homegroup, one can share files and printers with other computers on a home network. A homegroup allows for easy sharing and collaboration between devices connected to the same network, making it convenient for users to access and use shared resources such as files and printers.

The correct answer is d. All of above. The Electronic Transaction Act, 2063 provisions all of the above mentioned aspects. It includes provisions related to cyber crime offenses, digital signatures, and the legality of electronic records. This means that the act addresses various aspects of electronic transactions, ensuring the legal framework and security measures are in place to protect against cyber crimes and to establish the validity and authenticity of electronic records.

ASCII (American Standard Code for Information Interchange) is a character encoding standard that represents characters as numeric codes. It is widely used for keystrokes as it includes a set of control characters such as backspace, tab, and carriage return, which are essential for keyboard input. ANSI (American National Standards Institute) is a standards organization and does not specifically refer to a code used in keystrokes. UTF-8 is a variable-width character encoding that can represent any character in the Unicode standard, but it is not solely used for keystrokes. Therefore, the correct answer is c. ASCII.

In MS-Excel, a numeric value can be treated as a label if it is preceded by an apostrophe. The apostrophe indicates to Excel that the value should be treated as text rather than as a number. This can be useful when working with numbers that are meant to be used as labels or identifiers, such as phone numbers or identification numbers. By adding an apostrophe before the numeric value, Excel will not perform any calculations on it and will display it exactly as entered.

The IF function in Excel allows users to perform logical tests and return different values based on the result of the test. In this case, the user wants to determine whether a certain condition is true or false, and based on that, they want to display the word "TRUE" or "FALSE". The IF function is the appropriate choice for this task as it allows the user to specify the condition to be tested and the values to be returned if the condition is true or false.

To sort data in more than one column in Excel, we use the "Custom Sort" option. This allows us to specify the order in which we want the columns to be sorted, as well as any additional sorting criteria. The "Sort A to Z" and "Sort Z to A" options only sort data in a single column, while the "Custom Sort" option provides more flexibility for sorting multiple columns simultaneously. Therefore, the correct answer is c. Custom Sort.

Linux is an open source operating system because its source code is freely available to the public, allowing users to view, modify, and distribute it as they wish. This openness encourages collaboration and innovation, as developers can contribute to improving the system. In contrast, Windows and DOS are proprietary operating systems, meaning their source code is not publicly available. Windows 2010 is not a recognized operating system, so it cannot be considered an open source option.

Validation is the technique that defines a set of values acceptable for a field. It is the process of checking whether the input data meets certain criteria or conditions. Verification, on the other hand, is the process of evaluating whether a system or component complies with specified requirements. Acceptance refers to the formal sign-off or approval of a system or component by the end user or customer. Therefore, the correct answer is c. validation.

A website is a collection of web pages. Web pages are documents that are accessed through the internet and displayed on a web browser. They can contain various types of content such as text, images, videos, and links. A website typically consists of multiple interconnected web pages that are designed to provide information or services to users. Therefore, option b is the correct answer as it accurately describes the main component of a website.

An IPv6 address is 128 bits long. This is because IPv6 was designed to accommodate the growing number of devices connected to the internet. The increased address space of 128 bits allows for a much larger number of unique IP addresses compared to the previous version, IPv4, which had a 32-bit address space. With 128 bits, IPv6 can support approximately 3.4 x 10^38 unique addresses, ensuring that there are enough addresses for the foreseeable future.

Tables are the main building blocks of a database. They are used to store and organize data in a structured manner. A table consists of rows and columns, where each row represents a record and each column represents a field or attribute. Tables allow for efficient storage and retrieval of data, as well as the ability to establish relationships between different tables through keys. Queries, forms, and lists are components that interact with tables to perform various operations on the data stored within them.

The correct answer is d. All of the above. This is because all three formulas mentioned in options a, b, and c can be used to add the values in cells A1, B1, and C1. Option a uses the addition operator to directly add the values, option b uses the SUM function with individual cell references as arguments, and option c uses the SUM function with a range reference. Therefore, all three options are correct ways to add the three cells.

Slide sorter view displays slides in reduced size on the screen with slide number. This view allows users to easily rearrange and organize slides by dragging and dropping them into different positions. It provides a visual overview of the presentation, making it easier to navigate and make changes to the slide order. Slides in slide sorter view are displayed in a grid format, making it convenient to see the entire presentation at a glance.

The CHKDSK command in DOS is used to analyze and diagnose hard disk errors, as well as report the status of files on the disk. However, it does not have the capability to create logical partitions. This task is typically performed by other commands or utilities in DOS.

To print the last 4 pages of a 10-page document, any of the options provided can be used. Option a, "7-", specifies that all pages starting from page 7 should be printed, which includes pages 7, 8, 9, and 10. Option b, "7, 8, 9, 10", explicitly lists the page numbers to be printed. Option c, "7-10", uses a range to indicate that pages 7 to 10 should be printed. Therefore, all of the options (a, b, and c) are correct and will result in the last 4 pages being printed.

To generate a data series in Excel, we need to specify the start value, step value, and stop value. The start value is the initial value of the series, the step value is the increment or decrement between each value in the series, and the stop value is the final value of the series. By specifying all of these values, we can create a sequential or patterned series of data in Excel.

A DNS server is responsible for translating domain names into IP addresses. When a user types in a website URL, the DNS server looks up the corresponding IP address associated with that domain name and directs the user's request to the correct web server. Therefore, a DNS server is the correct answer as it plays a crucial role in the functioning of the internet by facilitating communication between devices using IP addresses.

The loopback address is a special IP address used to test the network interface of a device. It allows a device to send and receive data to itself. The loopback address is always 127.0.0.1, which is the correct answer in this case. The other options are not loopback addresses. Option a (0.0.0.1) is a reserved address and not used as a loopback address. Option c (255.255.255.255) is the broadcast address, used to send data to all devices on a network. Option d (127.0.0.0) is the network address, not the loopback address.

Registers have the shortest access time among the given options. Registers are small, high-speed memory units that are located within the CPU. They are used to store data that is currently being processed by the CPU. Since registers are located within the CPU, they can be accessed much faster than other types of memory such as cache memory, RAM, or ROM, which are located outside of the CPU. Therefore, registers have the shortest access time.

The operating system is responsible for managing and coordinating various tasks and resources of a computer system. It provides an interface between the user and the hardware. Editing files, on the other hand, is a function performed by application software such as text editors or word processors. The operating system does not directly handle the editing of files, but it provides the necessary functionality and resources for applications to perform this task. Therefore, editing files is not a function of the operating system.

Indentation refers to the horizontal space added at the beginning of a paragraph to visually separate it from the left or right margin. It helps in organizing the text and making it more readable. Therefore, statement a. "indentation applies to a paragraph" is true.

The correct order to form URLs is c. Protocol name, DNS name, File name. This is because the protocol name specifies the communication protocol to be used, the DNS name identifies the domain or server hosting the resource, and the file name specifies the specific resource or file within the domain or server.

The correct answer is d. All of above. This means that executable files in Windows OS can have any of the extensions mentioned in the options: .EXE, .COM, or .BIN. Windows OS is capable of running all these types of executable files.

To underline word by word in a selected text, we use Ctrl + Shift + W. This keyboard shortcut allows us to highlight and underline each word individually within the selected text.

In Access, SQL, or Oracle, the command used to add, delete, or modify columns in a table is the "ALTER TABLE" command. This command allows for the alteration of the structure of a table, including adding new columns, deleting existing columns, or modifying the properties of existing columns. The other options provided (CHANGE TABLE and MODIFY TABLE) are not valid commands in these database systems for performing these actions. Therefore, the correct answer is c. ALTER TABLE.

The correct answer is c. IP is an unique address of computer connected to the network. This statement is true because an IP address serves as a unique identifier for each device connected to a network. It allows devices to communicate and send data to each other over the internet. Every computer must have an IP address in order to establish connections and participate in network activities. Therefore, option c is the correct statement in relation to IP.

The Lookup Wizard is not a field type in MS-Access. It is a tool that helps in creating a lookup field, which is a field that displays a list of values for the user to choose from. The field types in MS-Access include Memo, Hyperlink, and Ole Object, which are used to store large amounts of text, web addresses, and embedded objects respectively.

The properties mentioned in options a, b, and c are valid body tag properties in HTML. However, "image" is not a valid body tag property. Body tag properties are used to define the appearance and behavior of the entire body of an HTML document, such as background color, text color, and background image.

The correct answer is a. PRINT ROW & COLUMN. This function allows the user to repeat certain rows and columns on each page when printing a document. This can be useful for ensuring that important information, such as headers or labels, remains visible and consistent throughout the printed pages.

The correct answer is a. 802.11. The 802.11 wireless standard, commonly known as Wi-Fi, is widely used to connect computers to each other and to the internet. It allows for wireless communication and networking between devices, providing a convenient and efficient way to access the internet and share data. RJ45 refers to a type of connector used for wired Ethernet connections, Blue Band is not a recognized wireless standard, and Broadband refers to a high-speed internet connection technology rather than a specific wireless standard.

The correct answer is b.

In MS Word, you can insert borders and shading from the "Design" menu. The Design menu provides various options to customize the appearance of your document, including borders and shading. This menu is specifically designed for formatting purposes, allowing users to easily add and modify different design elements in their documents. The "Insert" menu is primarily used for adding new objects or elements to the document, while the "References" menu is used for managing citations and references. The "Page layout" menu focuses on adjusting the layout and formatting of the entire page. Therefore, the correct option is b. Design.

The correct answer is c. UNDELETE /ALL *.txt. This command will undelete all files with the .txt extension that have been recently deleted. The /ALL parameter ensures that all files with the specified extension are recovered, and the *.txt wildcard is used to specify the file extension.