BTE 210 Final Exam Questions Answered Correctly Latest Version () Already Passed

BTE 210 Final Exam Questions Answered Correctly Latest Version () Already Passed Computer's Hardware - Answers The physical equipment used for the input, processing output, and storage activities of of a computer system Central Processing Unit (CPU) - Answers - Manipulates the data and controls the tasks performed by the other components - Input → CPU → Output Primary Storage - Answers Temporarily stores data and program instructions during processing Working memory Secondary Storage - Answers - Stores data and programs for future use - Never gets deleted unless physically deleted Input Technologies - Answers Accept data and instructions and convert them to a form that the computer can understand Output Technologies - Answers Present data and information in a form people can understand Communication Technologies - Answers Provide for the flow of data from external computer networks (ex. The Internet and intranets to the CPU, and from the CPU to computer networks) Supercomputers - Answers the fastest computer available at that time Mainframe computers - Answers - Business uses (ex. Bank of America) - Perform at a teraflop - Trillions of data per second Thin Client - Answers - worthless without the internet - Ex. netbooks or POS systems in restaurants Fat Client - Answers - able to be used without the internet - Ex. an Ipad because it can still be used without the internet, even though every feature cannot always be accessed Order of Data Measures (Smallest to Largest) - Answers - Byte - Kilobyte - Megabyte - Gigabyte - Terabyte - Petabyte - Exabyte - Zettabyte Kilobytes Example - Answers word docs Megabytes Example - Answers songs Gigabytes Example - Answers movie Terabytes Example - Answers external drive Four Types of Primary Storage - Answers 1. Register Memory 2. Cache Memory 3. Random Access Memory (RAM) 4. Read-Only Memory (ROM) Register Memory - Answers - Part of CPU - Least capacity - Limited amounts of instructions and data only immediately before and after processing Cache Memory - Answers - High speed - Temporarily stores blocks of date used more often and that processor can access more rapidly than main memory (RAM) - Located physically closer to CPU than RAM Random Access Memory (RAM) - Answers - Holds a software program and small amounts of data for processing - Acts like a large whiteboard - More space it holds, less it needs to delete Read-Only Memory (ROM) - Answers - Stores permanent things that do not change often - Nonvolatile so it retains these instructions when the power to the computer is turned off Magnetic tape - Answers Data centers use for backups Solid state drives (SSD) - Answers - Faster than hard drives - No moving parts - Traditional hard drives are less expensive Solid state drives are faster and more reliable Flash memory - Answers - No moving parts - Use less battery than hard drives - Also called memory stick, jump drive, or flash drive Software Intro - Answers - Computer hardware is generally of no use without an operating system and application software running on it - Computers are only as smart or sophisticated as the programs that are running them System Software - Answers - includes: Operating systems (OS), programming languages, system utilities, etc. - The most essential type of system software is the OS Operating Systems - Answers Every general purpose computer has an OS Can be classified by primary purpose Single-user OS - Answers designed primarily for a single user, such as Windows, Mac OS, Android, etc. Multiuser OS - Answers permits hundreds of concurrent users (ex. Blackboard, Linux, Unix, and Windows Server Editions) Functions of an OS - Answers - Provide a user interface (GUI) - Provide a degree of hardware independence - Manage system memory - Manage processing tasks - Provide networking capabilities - Control access to system resources - Manage files Application Software - Answers - Consists of instructions that direct a computer system to perform specific information-processing activities and also provide functionality for users Software Suite - Answers Ex. microsoft office, adobe Personal Application Software - Answers Ex. spreadsheets, word processing, data management, personal information management, personal finance Proprietary Software - Answers - Company owns it, loaning it out to you - If it is licensed, it is usually a proprietary software - Ex. video games - Making copies of proprietary software is considered piracy and is illegal Open-Source Software - Answers - Software shared with the public and can be changed and updated by the public - Ex. wikipedia, linux Cloud Computing - Answers - Delivery mechanism for hardware and software platforms via the cloud - On demand - Cloud Computing = Software as a service + Platform as a service + Infrastructure as a service - Ex. Google Drive is a pure cloud computing service Software as a service - Answers - Ex. Google Docs, Netflix Anything with a username and password - Delivered through the internet - Will always have the most recent version, updates by itself Platform as a service - Answers - Developer's dream - Focus on your code and your data Infrastructure as a service - Answers - Not dealing with any hardware - Lift and shift - Optimize for cost and efficiency Basic Cloud Characteristics - Answers - "No-need-to-know" - Flexibility and elasticity