Computer Systems Study Notes

Input devices allow users to enter data and instructions into a computer system. Examples include keyboards, mice, scanners, and microphones. Output devices display processed data or results from the computer. Examples include monitors, printers, speakers, and projectors.

Animation is used to make presentations more engaging and visually appealing. It can be used to create transitions between slides, highlight important information, or add visual effects. Common formatting techniques in slide shows include changing text size and style, adding images and graphics, and using sound and video.

An operating system (OS) is a software program that manages the computer's hardware and software resources. Its primary role is to ensure efficient and smooth operation of the computer. Multiprogramming allows a computer to execute multiple programs concurrently by switching between them, enhancing system utilization. Utility programs are designed to perform specific system maintenance tasks, such as disk cleaning, error checking, and file optimization.

<p>Word processing software like Microsoft Word offers a vast array of editing features for text. These include formatting options such as font selection, size, color, bolding, italicizing, and underlining. You can also control alignment, spacing between lines and paragraphs, and create numbered or bulleted lists. Other features include finding and replacing text, spell checking, and grammar correction.</p> Signup and view all the answers

<p>Page settings in Word control the layout and appearance of a document. This includes setting margins, page orientation (portrait or landscape), paper size, and adding headers and footers. You can access page settings through the &quot;Page Layout&quot; tab in the Word interface.</p> Signup and view all the answers

<p>Electronic payment systems encompass various methods for digital monetary transfers. They include credit and debit cards, online payment gateways like PayPal and Stripe, mobile wallets like Google Pay and Apple Pay, and bank transfers. These options offer convenience, security, and speed for online shopping, bill payments, and various financial transactions.</p> Signup and view all the answers

<p>Cloud computing refers to the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the Internet. It allows users to access resources and applications on demand, without the need for physical infrastructure management. Its significant role in IT applications includes cost reduction, scalability, flexibility, and improved collaboration and data management.</p> Signup and view all the answers