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Why did Ethernet become the most popular LAN standard? --------- CORRECT ANSWER-----------------it was the first What are the cause of micro bend losses? ---------CORRECT ANSWER----- ------------imperfections at the core cladding boundary What uses an intrinsic material between the P type and N type? --------- CORRECT ANSWER-----------------pin photodiode What numerical aperature rating requires an optical source capable of projections? ---------CORRECT ANSWER-----------------. Where is an L1 cache in regards to location? ---------CORRECT ANSWER-- ---------------internal to processor Were is an L2 cache in regards to location? ---------CORRECT ANSWER--- --------------external to processor What physical components are used by a computer? ---------CORRECT ANSWER-----------------monitor, mouse, keyboard, system unit
What are the 3 most important functions of a system case? --------- CORRECT ANSWER-----------------structure, protection, cooling What are the 2 parts of a case? ---------CORRECT ANSWER----------------- chassis and enclosure Which case has the best cooling? ---------CORRECT ANSWER----------------
- full tower What is a benefit of a mini tower? ---------CORRECT ANSWER----------------- small and takes up little space What is bios described as? ---------CORRECT ANSWER-----------------set of instructions that tells CPU how to interact with other devices Why is CMOS used as a clock chip? ---------CORRECT ANSWER------------- ----it uses minimal power to operate What are the 3 software application categories? ---------CORRECT ANSWER-----------------productivity, utility, communication How big are the client limitations if the client account has full rights to a network? ---------CORRECT ANSWER-----------------minimal
What is the definition of echo? ---------CORRECT ANSWER----------------- energy reflected from an object What can surface search radar not produce? ---------CORRECT ANSWER-- ---------------altitude What are the 2 types of radar transmissions? ---------CORRECT ANSWER- ----------------Pulsed and continuous wave What is an aspect of a good transmission line? ---------CORRECT ANSWER-----------------max transfer with minimum loss What are the 4 loss types of transmission lines? ---------CORRECT ANSWER-----------------Resistive loss, induction loss, radiation loss, capacitive loss What does demultiplexing mean? ---------CORRECT ANSWER----------------- Separating data from a single line to different outputs What was a main component of original computers? ---------CORRECT ANSWER-----------------Vacuum tubes What are the 3 categories of computers? ---------CORRECT ANSWER------- ----------Macro, mini, micro
What are the main components of a microprocessor? ---------CORRECT ANSWER-----------------Input, control, memory, ALU, output What is the function of a bus? ---------CORRECT ANSWER-----------------To provide a path or info or data groups What is the purpose of a general purpose register? ---------CORRECT ANSWER-----------------Temporary storage What is the purpose of a flag register? ---------CORRECT ANSWER---------- -------Indicate the status of the ALU What information does a program counter contain? ---------CORRECT ANSWER-----------------address of next instruction What are the basic sections of a computer? ---------CORRECT ANSWER--- --------------control, input, output What is static RAM made of? ---------CORRECT ANSWER-----------------flip flops What is dynamic RAM made of? ---------CORRECT ANSWER----------------- Capacitors
2 objects at the same range must be separated by how many beam widths in order to be distinguished by a RADAR system? ---------CORRECT ANSWER-----------------At least 1 What is used to make the filter from 1.5 mm or more flush with the polishing texture? ---------CORRECT ANSWER-----------------600 grit paper What is an operating system? (hardware/ software?) ---------CORRECT ANSWER-----------------software What is the main program of an operating system? ---------CORRECT ANSWER-----------------kernel Which system case form factor has the best cooling? ---------CORRECT ANSWER-----------------full tower What is the primary disadvantage of the full tower case? ---------CORRECT ANSWER-----------------Too big to fit under a desk What is the hold time of a power supply described? ---------CORRECT ANSWER-----------------The length of time that the power supply will keep producing its output after loosing its input What is the function of a chipset? ---------CORRECT ANSWER----------------- Provide interface between CPU and the reset system
What are the 2 working parts of the CPU? ---------CORRECT ANSWER------ -----------EU and BIU What is a characteristic of RISC instructions ---------CORRECT ANSWER--- --------------For a given RISC CPU, the instructions are all the same length Which is found in the BIOS? ---------CORRECT ANSWER----------------- device drivers What is the purpose of a device driver? ---------CORRECT ANSWER--------- --------To tell the system how to operate a peripheral What is the purpose of a local bus? ---------CORRECT ANSWER-------------- ---Connects peripherals to the processor bus What is the term for a single piece of info in a database record? --------- CORRECT ANSWER-----------------field What is the term for a collection of fields in a database? ---------CORRECT ANSWER-----------------record What is the configuration of a typical Ethernet jack? ---------CORRECT ANSWER-----------------8 pin
In wave guides, what does "a" dimension determine? ---------CORRECT ANSWER-----------------frequency range In wave guides, what does "b" dimension determine? ---------CORRECT ANSWER-----------------power capability
