Ite 272 Final Exam And Correct Answers

ITE 272 FINAL EXAM AND CORRECT ANSWERS Systems Architecture - CORRECT ANSWER-The structure, interaction, and technology of computer components. CPU, Primary Storage, Secondary Storage, I/O units, System Bus - CORRECT ANSWER-What are the Computer Hardware components? CPU - CORRECT ANSWER-A general-purpose processor that executes all instructions and controls all data movement in the computer system. Primary Storage - CORRECT ANSWER-High-speed storage in a computer system that holds currently running programs and data immediately needed by these programs. Secondary Storage - CORRECT ANSWER-System devices that provide large-capacity and long-term data storage. I/O Unit - CORRECT ANSWER-Devices that perform external communication functions. System Bus - CORRECT ANSWER-The internal communication channel connecting all hardware devices. Compactness, Accuracy, Range, Eace of Manipulation, Standardization. CARES - CORRECT ANSWER-What are the Goals of data representation? Describes the number of bits used to represent a numeric value. It has a limited range of values that can it represent. - CORRECT ANSWER-Compactness/trade-off The degree to which the result of a measurement conforms to the correct value. It can be achieved by balancing performance and cost. - CORRECT ANSWER-Accuracy/trade-off The range of numbers available to use uses more data slower. The more compact a device with a small arrange the more affordable it will be. - CORRECT ANSWER-Range/trade-off How easy it is for the computer to process the data. More complex devices require more time to perform functions. - CORRECT ANSWER-Eace of Manipulation/trade-off Ensures correct and efficient data transmission. The risk of losing functionality between devices. - CORRECT ANSWERStandardization/trade-off Control unit, ALU, registers - CORRECT ANSWER-CPU components Control Unit - CORRECT ANSWER-Responsible for moving data, accessing instructions, and controlling the arithmetic logic unit. ALU - CORRECT ANSWER-Contains circuitry for performing computation, comparison, and logic instructions. Registers - CORRECT ANSWER-Internal storage locations in a CPU. Each is capable of holding a single instruction or data item instruction and instruction sets - CORRECT ANSWER-What is the Binary for the hexadecimal value for B9? 205 - CORRECT ANSWER-What is the decimal value of the unsigned binary number: 255 - CORRECT ANSWER-What is the decimal range for unsigned 8 bit binary numbers? -80 - CORRECT ANSWER-What is the decimal value of the signed binary number: A6 - CORRECT ANSWER-What would the decimal value for 166 be in hex? 106 - CORRECT ANSWER-What is the decimal value of the signed binary number: - CORRECT ANSWER-The decimal number 139 is represented as a binary number: 211 - CORRECT ANSWER-The hexadecimal value for D3 is equal to the decimal value: B9 - CORRECT ANSWER- in binary is written in hexadecimal as Operating systems - CORRECT ANSWER-A collection of utility programs for supporting users and application programs, allocating resources to multiple users and application programs, and controlling access to hardware.