10 Questions MCQ Test Olympiad Preparation for Class 10 - Test: Input & Output Devices- 1
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The correct answer is option B: i and iii. Explanation: - A line printer prints an entire line at a time, which means it prints all the characters in a line simultaneously. - It allows multiple copies to be taken at a time, which means it can print multiple copies of the same line without having to print each copy separately. - However, a line printer is an impact printer, not a non-impact printer. Impact printers use a mechanism that physically strikes an inked ribbon against the paper to create an image, whereas non-impact printers use methods like heat or lasers to transfer the image onto the paper. - Lastly, a line printer does not print one character at a time. It prints an entire line, not individual characters. To summarize, a line printer prints an entire line at a time and allows multiple copies to be taken at once. Therefore, the correct answer is option B: i and iii.
Explanation: An inkjet printer is a type of printer that uses ink to create images or text on paper. Let's analyze each statement to determine the correct answer. i) prints an entire line at a time: This statement is incorrect. Inkjet printers do not print an entire line at a time. Instead, they print one small dot at a time, gradually building up the image or text. ii) is a non-impact printer: This statement is correct. Inkjet printers are non-impact printers, meaning they do not physically strike the paper to create the image or text. Instead, they use ink droplets to create the desired output. iii) allows multiple copies to be taken at a time: This statement is incorrect. Inkjet printers typically do not have the capability to produce multiple copies at a time. Instead, they are designed for single-sheet printing, and if multiple copies are required, the user would need to manually feed each sheet. iv) prints one character at a time: This statement is incorrect. As mentioned earlier, inkjet printers print one small dot at a time, not one character at a time. Conclusion: Based on the analysis, the correct answer is option A: i and ii. An inkjet printer prints one dot at a time and is a non-impact printer.
A laser printer
(i) gives a better quality printout compared to inkjet printer
(ii) is less expensive than an inkjet printer
(iii) is more expensive than a dot matrix printer
(iv) gives a better quality printout compared to dot matrix printer
To determine which statements are true about a laser printer, we need to compare it with an inkjet printer and a dot matrix printer. Comparison between a laser printer and an inkjet printer: - (i) A laser printer gives a better quality printout compared to an inkjet printer. Laser printers use a toner cartridge and a laser beam to produce high-resolution prints with sharp text and graphics. - (ii) A laser printer is less expensive than an inkjet printer. Laser printers are generally more expensive upfront, but they have lower operating costs compared to inkjet printers. Inkjet printers require frequent cartridge replacements, which can add up over time. Comparison between a laser printer and a dot matrix printer: - (iii) A laser printer is more expensive than a dot matrix printer. Dot matrix printers are typically the cheapest type of printer available, but they have lower print quality and slower printing speed compared to laser printers. - (iv) A laser printer gives a better quality printout compared to a dot matrix printer. Laser printers produce high-resolution prints with sharp text and graphics, while dot matrix printers use a matrix of pins to strike an inked ribbon, resulting in lower quality prints. Therefore, the correct answer is d. i, iii, iv, as all of these statements are true about a laser printer.
To design an effective output report, it is important to consider the following factors: i. Volume of output: - The amount of information that needs to be included in the report should be determined. - The report should be designed in a way that presents the necessary information concisely and clearly. - Consideration should be given to the length and format of the report to ensure that it is easily readable and understandable. ii. Potential users: - Identify the target audience or potential users of the report. - Understand their needs, requirements, and level of expertise. - The report should be tailored to meet the specific needs of the users to ensure that it provides them with the necessary information. iii. Current users: - Consider the existing users of the report and their feedback. - Analyze their requirements and preferences to improve the design of the report. - Ensure that the report addresses the needs and expectations of the current users to maintain their satisfaction. iv. Periodicity of output: - Determine the frequency at which the report will be generated. - Consider whether the report will be generated daily, weekly, monthly, or on an ad-hoc basis. - Design the report in a way that presents the information in a timely manner and meets the requirements of the reporting frequency. Therefore, the correct answer is option D: i, ii, iii, iv. All the mentioned factors are important to consider while designing an output report.
Outputs needed by middle level managers: - Summary reports with good grouping: Middle level managers require summary reports that provide a concise overview of key information, such as sales figures, production data, or project updates. These reports should be well-organized and grouped in a logical manner to facilitate understanding and decision-making. - Exception reports: Middle level managers need exception reports that highlight any deviations, anomalies, or significant events that require attention. These reports help managers identify problems or areas of concern that may require further investigation or action. - Detailed reports: Middle level managers may also require detailed reports that provide comprehensive information on specific aspects of their department or projects. These reports can include detailed financial statements, performance metrics, or project progress updates. - Expected reports: Middle level managers may have specific reports that they expect on a regular basis. These reports may be customized to their needs and provide them with the necessary information to monitor and manage their department effectively. Overall, the outputs needed by middle level managers should provide them with the necessary information to make informed decisions, monitor performance, and identify any issues or opportunities within their area of responsibility.
Heading B: Helps in reading and understanding a report
Heading C: Is required by management
Heading D: Is a good documentation aid
Report headings play a crucial role in organizing and presenting information in a clear and structured manner. Here's a detailed explanation of each heading:
Heading A: Is good practice
Having report headings is considered a good practice for several reasons:
It enhances readability and improves the overall flow of the report.
It helps the reader quickly navigate through the document and locate specific sections of interest.
It provides a visual structure to the report, making it easier to comprehend and follow.
Heading B: Helps in reading and understanding a report
The presence of headings in a report aids in reading and understanding the content in the following ways:
Headings give an overview of the main topics or sections covered in the report.
They break down complex information into smaller, more manageable chunks.
They provide a logical structure to the report, allowing the reader to follow the flow of ideas and arguments.
Headings can be used as signposts to help the reader find specific information quickly.
Heading C: Is required by management
In many organizations, management requires reports to include headings for various reasons:
Headings provide a standardized format for reports, ensuring consistency across different documents.
They facilitate the review and evaluation of reports by management and other stakeholders.
Headings help in the efficient distribution of information within the organization.
They assist in creating a professional and polished appearance for the report.
Heading D: Is a good documentation aid
Using headings as a documentation aid offers the following benefits:
Headings serve as a roadmap for the report, guiding the author in organizing their thoughts and ideas.
They provide a framework for future reference and retrieval of information.
Headings make it easier to update or modify specific sections of the report without disrupting the entire document.
They enhance the overall quality and professionalism of the report.
In conclusion, report headings are essential elements that contribute to the clarity, readability, and organization of a report. They not only improve the document's structure but also assist in effective communication and understanding of the information presented.
Page footing is: A: Same as report heading - This option is incorrect as page footing is not the same as the report heading. B: The labels printed at the end of each page - This option is correct. Page footing refers to the labels or information that is printed at the bottom of each page. C: The labels printed at the end of each control group - This option is incorrect as page footing is not specific to control groups. D: The labels printed at the end of a report - This option is incorrect as page footing is not limited to the end of a report. In summary, the correct answer is B: The labels printed at the end of each page. Page footing refers to the labels or information that is printed at the bottom of each page.
Control footings are printed because: - It summarizes information in logically grouped items: Control footings are added to documents to provide a summary or overview of the information contained within the document. They help to organize and group related information together, making it easier for the reader to understand and navigate the document. - It is required in documentation: In many industries, control footings are a standard requirement in documentation. They are often mandated by regulatory bodies or industry standards to ensure that important information is clearly presented and easily accessible. - It is necessary for error detection: Control footings can help to identify errors or inconsistencies in the document. By summarizing key information and cross-referencing it with other parts of the document, control footings can help to catch any discrepancies or mistakes that may have been overlooked. - It is suggested by management: Management may suggest the use of control footings as a best practice for document organization and clarity. Control footings can help to improve the readability and usability of documents, making them more effective tools for communication. Overall, control footings are printed because they provide a concise summary of information, meet documentation requirements, aid in error detection, and are recommended by management.
B: Indicates a chart that is filled in by an analyst while formatting a report.
C: Describes a chart that is prepared by users.
D: States that the chart is printed by a computer.
The correct answer is B, as it specifically mentions that the chart is filled in by an analyst while formatting a report. Let's further explain each option: A: A printed chart: This option refers to a chart that has been physically printed, but it does not specify who prepares or fills in the chart. B: One which is filled in by an analyst while formatting a report: This option explicitly states that the chart is filled in by an analyst during the process of formatting a report. This suggests that the chart is part of the report and is completed by an analyst with the necessary data. C: Prepared by users: This option indicates that the chart is prepared by users, but it does not mention who these users are or how the chart is used in the context of a report or formatting. D: Printed by computer: This option suggests that the chart is printed by a computer, but it does not provide any information about who creates or fills in the chart. In conclusion, the correct option is B as it clearly specifies that the chart is filled in by an analyst while formatting a report.
Design Principles for Screens: - Screens use design principles that are similar to those used for printed reports. Explanation: - While designing screens, the same principles that are applied to printed reports are often used. This is because both mediums aim to convey information effectively and efficiently to the user or reader. Reasons why the principles are similar: 1. Consistency: Both screens and printed reports benefit from a consistent design to ensure a cohesive and familiar experience for the user or reader. Consistency in layout, typography, color schemes, and imagery helps to establish a visual hierarchy and aids in comprehension. 2. Clarity: Clear and concise communication is essential in both screens and printed reports. Information should be presented in a logical and organized manner, with attention to readability, legibility, and the use of appropriate visuals. 3. Visual Hierarchy: Both screens and printed reports require a well-defined visual hierarchy to guide the user or reader's attention. Important information should stand out through the use of size, color, typography, and placement to ensure key messages are easily understood. 4. Usability: Screens and printed reports need to be user-friendly and intuitive. The design should consider the target audience, their needs, and the context in which the information will be consumed. Navigation, labeling, and the overall user experience are crucial in both mediums. 5. Accessibility: Both screens and printed reports should be designed with accessibility in mind. This includes considerations for individuals with visual impairments, color blindness, or other disabilities. Use of appropriate contrast, alternative text, and other accessible design practices are important in both mediums. In conclusion, while there may be some differences in the implementation and specific considerations between screens and printed reports, the underlying design principles remain similar. Both mediums aim to effectively convey information and provide a positive user or reader experience.
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