WGU D075 Study Guide (Ultimate) Solved 100% Correct

Define Infrastructure - ANSWER-Set of information technology componets that are foundation to IT service (hardware, software, network) What are the six components of IT infrastructure? - ANSWER-Hardware, software, network, data, people, process Define the term hardware - ANSWER-Is the physical parts that make up a computer systems such as GPU, CPU, Motherboard, etc. What is the purpose of the CPU? - ANSWER-The CPU is designed to process data. What is the name for the main circuit board of a computer? - ANSWER-Motherboard What is the purpose of the network interface card? - ANSWER-Allows both wireless and wired communication. How do peripheral hardware like printers and scanners connect to the computer? - ANSWER-Serial ports, USB, COM Define the term software - ANSWER-Software is a set of instructions that tells a computer what to do. What are the three categories of software? - ANSWER-System software, Applications software, Utility software Define the term application software - ANSWER-Software that performs specific tasks for an end user Define the term utility software - ANSWER-Helps users configure, analyze, optimize, and maintain a user. Define the term system software - ANSWER-Controls a computers internal functioning. Define the term network - ANSWER-Consists of two or more computers linked to allow electronic communication. What are the benefits of networks? - ANSWER-- Strengthen business connections - Fresh ideas - Advance career - Gain more knowledge - Share files - Easy back-up Define the term best practice - ANSWER-A technique through experience has proven to reliability lead to desired result. What does Moore law state? - ANSWER-Processor's speeds/processing power for computers will double about every 18 months. Why is data important to a business? - ANSWER-- Predict consumer behavior - Improve decision making - Market trends - Determine ROI What three things are critical for the IT infrastructure to meet its goals? - ANSWER-- Hardware - Software - Network What is a mainframe computer? - ANSWER-High performance computers with large amounts of memory. (massive computers that can take up the space of a room). What size companies need mainframe computers? - ANSWER-Enterprises What is a midrange computer? - ANSWER-Medium sized computer system/server. What size companies need midrange computers? - ANSWER-Smaller organizations What is a microcomputer? - ANSWER-Desktop, Laptop, Tablet, Phone What is unique about a handheld computer? - ANSWER-Tablet, Notebook. Don't require a CPU. What is another name for a operating system? - ANSWER-Platform Define the term file management - ANSWER-Process of administrating a system that correctly handles digital data. Define the term graphical user interface (GUI) - ANSWER-A computer program that enables a person to communicate with a computer through symbols, visual metaphors, and pointing devices. Define the term multitasking - ANSWER-Running multiple programs (sets of instructions) at the same time. Define the term process - ANSWER-Running a program in a computer (series of actions) What are the four types of memory? - ANSWER-- RAM - ROM - CMOS - Flash Which type of memory is erased with the computer is turned off? - ANSWER-Volatile memory Define RAM - ANSWER-Random Access Memory (short term) What is the important role virtual memory plays? - ANSWER-Frees up space on RAM. Important to improve system performance, multi-tasking The CPU stores more frequently used data in which type of memory? - ANSWER-Cached memory What is the purpose of registers? - ANSWER-Very fast computer memory used to execute programs and operations efficiently. Define disk storage - ANSWER-Long term storage What is a SSD? - ANSWER-- Solid State Drive Flash Memory (secondary storage) What is an optical disk? - ANSWER-CD, DVD, Bluray Disk What must exist in order for application software to work? - ANSWER-The correct operating system. Business computing software is concerned with what four basic applications? - ANSWER-- Spreadsheets - Word Processors - Database - Presentation Software What is the purpose of database software? - ANSWER-Used to create, edit, and maintain database files and records. Enabling easier file/record creation, data entry, and updating/reporting. Define the term relational databases - ANSWER-Database structure to recognize relations among stored items of information. Define the term productivity suites - ANSWER-Software used for producing information (word, excel)