## Get Solved ECET 105 Week 1 Homework and Lab

**ECET 105 Week 1** Homework Assignment # 1

- Does a typical computer have any analog outputs? If so, what are they?
- List three advantages of digital signal representation as compared to analog representation.
- Convert 126 x 10
^{+2}to scientific and engineering notations. - Make the following conversions:

Convert 0.34 seconds to milliseconds.

b. Express 0.0005 x 10^{-4}farads as picofarads. - The frequency of a signal is equal to the reciprocal of the signal’s period (f = 1/p). For a computer with a 2.4 GHz clock, what is the clock period? Use engineering notation for your answer.
- The signal shown below is a sine wave as it might be displayed on an oscilloscope. If it takes 40 msec. for the waveform to travel between the points shown by the arrow “B” below, what is the frequency of the waveform
- Power (in watts) is a certain amount of energy (in joules) divided by a certain length of time (in seconds). The laser with the highest peak power produces an energy of 186 joules in 167 femtoseconds. What is the peak power? Use engineering notation for your answer. (Note: Use references to determine the value of a femtosecond and the proper notation for your answer.)
- Which logic function produces a HIGH output only when all of the inputs are HIGH?
- Which logic function produces a HIGH output only when all of the inputs are LOW?
- Using the Internet, find the datasheet for the 74LS00 integrated circuit chip. Answer the following:

- How many pins are on the chip?
- To which pin is power applied?
- What is the value of the power applied to the chip?
- To which pin is ground applied?
- How many logic gates are on this chip?

##### ECET-105 Week 1 Lab: Introduction to Laboratory Test Equipment

**Objectives**

- To learn the function and basic operation of the instruments compromising a test bench.
- …. gain a basic understanding of how to use the power supply, DMM, oscilloscope, and function generator.
- To take measurements using the power supply, DMM, oscilloscope, and function generator.
- To determine waveform characteristics of various signals.

**Results ► ****Conclusions ► ****Observations/Measurements ► ****Questions: ▼**

- If a power supply ….. 30.00 on its display and to the right of it ….. mV, what is the value ….. in volts?
- The test instruments have fuses. What is the purpose of a fuse?
- Why do oscilloscopes require a special probe for connection to a signal?
- Complete the following conversions, including the appropriate engineering notation unit.
- Convert the following to engineering notation, including the appropriate unit.

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