Study guides, Class notes & Summaries

Electrical Shock - correct answer Sensation and muscular spasm cause when electric current passes through the body Voltage - correct answer Potential of electric energy; pressure of electrons pushing away from each other Current - correct answer Flow of electrons Most dangerous paths - correct answer Hand to hand & left hand to either foot Factors affecting shock - correct answer Amount of current, path of current, amount of body resistance, length of time current flows in ...

ATT Test 8 Questions with correct Answers

ATT WEEK 10 Exam| Answered 100% Correctly Multiplexing Putting information from several sources on one line of transmission path Demultiplexing Separating info on a single line to several lines or transmission paths Analog to digital AD Circuit that changes analog to digital digital-to-analog converter (DAC) Circuit that changes digital signal to analog Simultaneous a/D converter Uses many comparators and encoders

ATT WEEK 9 IC EXAM What type of circuits are found in TRANSMITTERS? Input and signal processing What is the combining of an information signal and carrier signal? Modulation Thermal noise can be reduced or eliminated by _______ circuit design. What is the main reason bandwidth is a limitation in communications systems?

ATT Week 8 Exam| Answered 100% Correctly What Was The First Computer Ever Made? The Eniac When Was The Eniac Built? 1940 What Was The Eniac Mostly Comprised Of? Vacuum Tubes What Replaced Vacuum Tubes? Transistors What Replaced Transistors IC Chips IC Chips Are Made From Silicon Each Leg On An IC Chip Preforms A Different Logic Function What Does The Notch Indicate On An IC Chip The 1st Or Reference Point Of The Pins How Many Outputs Do IC Chips Have

ATT Week 7 Exam| Answered 100% Correctly What is the purpose of multivibrators? Changes DC operating voltage to sqaure waves. What are multivibrators made of? 2 transistors and a feedback circuit Free running Multivibrators generate a square wave output.... Anytime the operating voltage is applied. Triggered multivibrators produce a square wave... When an external input is applied. The type of multivibrator circuit depends on... The feedback circuit components An astable multivibrator...

ATT week 7 During the the positive alternation of the input signal..... (bridge rectifier) the top of t1 has a positive potential, bottom has negative potential During the negative alternation of the input..... (bridge) top of t1 has a negative potential, bottom of t1 has a positive potential the output of a bridge rectifier is ____________ the input frequency

ATT Week 6 Exam The transistor in a multivibrator are biased __________. so that they are either in cutoff or saturation How many transistors do multivibrators have? 2 The purpose of a multivibrator is to _______. convert DC energy to square wave energy When transistors in a multivibrator is on, the output voltage is

ATT WEEK 10 Exam| Answered 100% Correctly Multiplexing Putting information from several sources on one line of transmission path Demultiplexing Separating info on a single line to several lines or transmission paths Analog to digital AD Circuit that changes analog to digital digital-to-analog converter (DAC) Circuit that changes digital signal to analog Simultaneous a/D converter Uses many comparators and encoders

ATT Week 8 Exam| Answered 100% Correctly What Was The First Computer Ever Made? The Eniac When Was The Eniac Built? 1940 What Was The Eniac Mostly Comprised Of? Vacuum Tubes What Replaced Vacuum Tubes? Transistors What Replaced Transistors IC Chips IC Chips Are Made From Silicon Each Leg On An IC Chip Preforms A Different Logic Function What Does The Notch Indicate On An IC Chip The 1st Or Reference Point Of The Pins How Many Outputs Do IC Chips Have

ATT Week 7 Exam| Answered 100% Correctly What is the purpose of multivibrators? Changes DC operating voltage to sqaure waves. What are multivibrators made of? 2 transistors and a feedback circuit Free running Multivibrators generate a square wave output.... Anytime the operating voltage is applied. Triggered multivibrators produce a square wave... When an external input is applied. The type of multivibrator circuit depends on... The feedback circuit components An astable multivibrator...

ATT week 7 During the the positive alternation of the input signal..... (bridge rectifier) the top of t1 has a positive potential, bottom has negative potential During the negative alternation of the input..... (bridge) top of t1 has a negative potential, bottom of t1 has a positive potential the output of a bridge rectifier is ____________ the input frequency