CompTIA Tech+ Certification Exam Study Guide - Full Answer Key Verified

CompTIA Tech+ Certification Exam Study Guide - Full Answer Key Verified Input - answer - User feeding the computer information Input Device Examples - answer - Keyboard, mouse, microphone Processing - answer - When a computer's CPU is figuring out what to do with the input Output - answer - The information given to the user once the computer processes the input Output Device Examples - answer - Speaker, monitor Storage - answer - Where all of your computer's programs and information is kept Storage Examples - answer - Hard drive, SSD, cloud, flash drive (USB) Binary - answer - base-2 system made of 1s and 0s that act as true or false switches Hexadecimal - answer - base-16 system that uses numbers 0-9 and letters A-F What is Hexadecimal used for? - answer - Colors, describing memory locations for bytes, specifying certain characters, IP addresses, MAC addresses Decimal - answer - The counting system humans use, integers 0-9 Octal - answer - base-8 number system that uses numbers 0-7 When is Octal Used? - answer - Low-level programming and coding (including some assembly languages), used to represent file permissions in Linux and UNIX OSs Bit - answer - Single binary digit, smallest increment of dat for a computer Byte - answer - 8 bits What File Would Be Measured in Bytes? - answer - Characters (letters, numbers, symbols) Kilobyte - answer - 1,024 bytes, 1,000 bits What File Would Be Measured in Kilobytes? - answer - Short emails, images, and short documents Megabyte - answer - 1,024 kilobytes, 1,048,576 bytes, 1,000,000 bits What File Would Be Measured in Megabytes? - answer - Audio files, images, and videos Gigabyte - answer - 1,024 megabytes, 1,073,741,824 bytes, 1,000,000,000 bits What File Would Be Measured in Gigabytes? - answer - A storage device's capacity Terabyte - answer - 1,024 gigabytes, 1.0995116e+12 bytes, 1,000,000,000,000 bits What File Would Be Measured in Terabytes? - answer - A large storage device's capacity Petabyte - answer - 1,024 terabytes, 1.1258999e+15 bytes, 1,000,000,000,000,000 bits What File Would Be Measured in Petabytes? - answer - Large-scale data storage systems Throughput Unit - answer - Unit measured in bits per second (bps), kilobits per second (Kbps), megabits per second (Mbps), gigabits per second (Gbps), or terabytes per second (Tbps) Processing Speed - answer - Data being processed or acted upon. Measured in Hz; more specifically either Megahertz (MHz) and Gigahertz (GHz) How Frequently Is Processing Speed Measured? - answer - Every second What Is the First Step in the Troubleshooting Methodology? - answer - Identify the problem What Is the Second Step in the Troubleshooting Methodology? - answer - Establish a theory of probable cause (question the obvious), research knowledge base/internet if applicable What Is the Third Step in the Troubleshooting Methodology? - answer - Test the theory to determine the cause What Is the Fourth Step in the Troubleshooting Methodology? - answer - Establish a plan of action to resolve the problem and implement the solution What Is the Fifth Step in the Troubleshooting Methodology? - answer - Verify full system functionality and, if applicable, implement prevention measures What Is the Sixth Step in the Troubleshooting Methodology? - answer - Document findings/lessons learned, actions, and outcomes What Is a Smartphone Used For? - answer - Small, portable devices used for easy communication, knowledge, and entertainment What Is a Tablet Used For? - answer - Portable devices used for easy communication, knowledge, and entertainment, bigger screen than smartphones What Is an E-Reader Used For? - answer - Reads content such as eBooks, newspapers, and documents What Is a Laptop Used For? - answer - Portable devices used for retrieving knowledge and entertainment easily; processes faster and hold more storage than smartphones or tablets, easier to transport than a desktop What Is a Workstation Used For? - answ