CET practice Exam 2 Questions And Answers A+ Grade

Divided Into Sectors Correct Answer: A Track On A Computer Removable Disk Is: Cache Correct Answer: A PC Has Conventional RAM And ROM Memory Area (In A PC It Is 0 To 640 Kilobytes); Upper Memory Area (640 Kb To 1 Meg) And Extended Memory Area (Above 1 Megabyte). What Other Names For Internal Memory Types Do PC's Have? XVGA Correct Answer: Which Video System Had The Highest Resolution Signal Differences Between Two Points Correct Answer: You Would Want To Use A Dual Trace Oscilloscope To Measure: 455 Khz And 10.7 Mhz Correct Answer: Common Intermediate Frequencies (IF's) For AM And FM Commercial Broadcast Receivers Are: Reduces High Frequency Received Signal Amplitude Correct Answer: Analog Radio Receiver Signal Compression: Wire Resistance, Capacitive And Inductive Reactance Correct Answer: Coaxial Cable Line Losses At RF Frequencies Are Due To: 1,000 Millivolts Correct Answer: You Are Troubleshooting Audio Reproduction Equipment And Measure The Signal To Be Input Into The Audio Amplifier. What Approximate RMS Level Would You Expect That Signal To Be? RF Section Correct Answer: The Noise Level On The Radio Receiver Is Generated Mostly In 10 Correct Answer: The Fast Charging Rate For A Nicad Or Ni-MH Battery Should Not Exceed ___% Of It's Ahr, Or Ampere-Hour Rating. SATA Or IDE Controller Correct Answer: Which One Of The Following In PC Would Be Part Of Disk Operations? Can Be Used As A Fiber Optic Signal Source Correct Answer: An LED: A Z Input For Intensity Modulation Correct Answer: A Dual-Trace Oscilloscope May Have Feedback And Input Resistors Correct Answer: The Gain Of An Op-Amp Connected As An Inverting Amplifier Is Determined By The External ___. False Correct Answer: Diodes Are Made From One Type Of Material Tropospheric Ducting Correct Answer: Which Propagation Condition Would Be Significant For UHF Signal To Be Received At A Distance Of 500 Miles? High Correct Answer: A Three Input NAND Has Two Low Inputs And One High Input. The Output Is: Diode Rectifier Correct Answer: Which Of These Would Be Considered A Component Of A "Basic" Power Supply? CET practice Exam 2 Questions And Answers A+ Grade Baseband Including Visual Information Correct Answer: A "Video Signal" Is Defined As: Should Be Discharged To Chassis Ground, Through A Suitable Resistor Correct Answer: You Are Servicing A Power Supply And Have Disconnected Power. It Has Several 250uf Capacitors Connected In Parallel. To Avoid Shock, These Capacitors: Is Much Like A Road Make For Fallowing Signals Correct Answer: A Schematic Used In Electronic Servicing Draining Through A Large Value Resistor To Chassis Ground Correct Answer: High Voltage Should Be Discharged Before Servicing A Product. After Disabling AC Input Power, Discharge An HV PS By: The Operating Frequency Correct Answer: Which One Of These Would Be An Important Electrical Consideration In The Use Of A Transformer? 2.9 Ohms Correct Answer: If A 12V Product Is Dissipating 50w, How Much Load Resistance Does The Device Represent? Frequencies In The 20Hz To 15,000 Hz Range. Correct Answer: An "Audio Signal" Is Often Defined As: The Commutator Correct Answer: ___ Will Cause A Generator To Produce DC Voltage Rather Than AC. Insert A Low Resistance High Wattage (100 Ohm, 10w) Resistor In Series With The Power Input. Correct Answer: You Suspect The Unit Has An Internal Short. To Prevent Further Damage When You Apply Power, You Should: Is Two Or More Logical Flip-Flops Connected Sequentially With The Input Pulses Toggling The First One. Correct Answer: A Ripple Counter Current Is Maximum At First, Then Reduces As The Capacitor Becomes Charged. Correct Answer: When Voltage Is Applied To A Capacitor: Is Part Of A Voltage Doubler Circuit Correct Answer: An Electrolytic Capacitor In Series Between The Power Transformer And The Rectifiers In A Power Supply: Photons Correct Answer: Information Travels Through Optic Fiber Via The Flow Of: Intermittent Fluctuations Correct Answer: You Would Most Likely Prefer An Analog VOM Over A DMM For: A Power Regulator Correct Answer: Which Of These Circuits Would Most Likely Use A Zener Diode? It Is A NOT OR Or Inverted OR Correct Answer: A Block In Digital Diagram Is Called A NOR. Which Is True? They Represent Signal Paths Correct Answer: Which Of These Statements Is Most True Relating To Schematic Diagrams Of Electronic Devices?