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Questions in Grade College

[Answered] What is $20 \%$ of $38 m^2$?

[Answered] Type the program's output: ``` city = 'Beirut' my_slice = city[4:5] print(my_slice) city = 'Dublin' print(my_slice) ```

[Answered] Solve each equation for the indicated variable. Round answers to two decimal places as necessary. $\frac{C}{-10}-3=12$

[Answered] Which chemical symbol represents a metalloid? A. B B. Al C. Ga D. Zn E. Ar

[Answered] Completely factor the trinomial, if possible. 7x^2+11x+4

[Answered] SECTION A 1a. What is Ohm's Law? State the mathematical expression and define each variable. b. Explain the difference between analog and digital signals. Give examples of each. 2a. Define a resistor. How does it affect an electrical circuit? b. Describe the function of a capacitor in an electronic circuit. 3a. What is the role of a diode? Provide examples of its applications. b. Explain how a transistor works. What are its different types and uses? 4a. Define integrated circuit (IC). How does it differ from discrete components? b. What is a voltage divider circuit? Provide an example of its use. 5a. Describe the concepts of alternating current (AC) and direct current (DC). b. What is a logic gate? List the basic types and their truth tables. 6a. Explain the operation of an operational amplifier (op-amp). Where is it commonly used? b. Define frequency, wavelength, and amplitude in the context of electromagnetic waves. 7a. What is a flip-flop in digital electronics? Describe its types and applications. b. Define the term bit and byte. How are they related to digital data storage? 8a. Describe the difference between synchronous and asynchronous communication. b. Explain the working principle of a light-emitting diode (LED). What are its advantages? 9a. What is a sensor? Provide examples of sensors used in electronic devices. b. Define the terms 'input impedance' and 'output impedance' in relation to electronic circuits. 10a. Describe the process of modulation and demodulation in communication systems. b. Explain the concept of multiplexing and its significance in data transmission

[Answered] Removing which ordered pair from the table would make the relation a function of [tex]$x$[/tex]? | [tex]$x$[/tex] | [tex]$y$[/tex] | |---|---| | 1 | 7 | | 4 | 7 | | 2 | 2 | | 4 | 1 | | 3 | 9 | A. (1,7) B. (2,2) C. (3,9) D. (4,1)

[Answered] Which recall system forms a partnership with the patient and works around their scheduling preferences? A. Prescheduled Recall System B. Combination Recall System C. Mail Recall System D. Tracking System

[Answered] Industry began to discover the connection between quality and safety: A. in the early 1800s. B. after the Hawk's Nest Tragedy in the 1930s. C. with the Service Contract Act of 1965. D. between World War I and World War II.

[Answered] How does the development of urban areas increase the frequency of floods? A. If urban population increases, then flooding increases. B. If urban population decreases, then flooding increases. C. If urban population increases, then flooding decreases. D. There is no clear relationship between urban population and the frequency of floods.