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You Are On Multi Choice Question Bank SET 1320

66001. A discharged capacitor has ______ charges on its plates.





66002. A ___ capacitor allows ac signals to pass while blocking dc signals.





66003. The rate of charge or discharge of a capacitor is based on ___ function.





66004. The given image is a _____ capacitor.





66005. The reactance of C2 is _____ in the given circuit.





66006. In a 20 Vac series RC circuit, if 20 V is measured across the resistor and 40 V is measured across the capacitor, the applied voltage is:





66007. Select the equation below that represents the relationship between charge, capacitance, and voltage for a capacitor.




66008. When is a capacitor fully charged?





66009. What is the reactive power in the given circuit?





66010. What is the angle theta value for a 5.6 F capacitor and a 50-ohm resistor in series with a 1.1 kHz, 5 Vac source?





66011. Which type of decoder will select one of sixteen outputs, depending on the 4-bit binary input value?





66012. A magnitude comparator determines:





66013. Which digital system translates coded characters into a more intelligible form?





66014. A multiplexer is a device that outputs a fixed sequence of binary states on each clock pulse.



66015. The general function of a decoder is to activate one or more circuit outputs upon detection of a particular digital state.



66016. An encoder circuit is designed to generate specific codes.



66017. A decoder with two inputs will have two outputs for the decoded value.



66018. A magnitude comparator outputs the highest or lowest value of its inputs depending on control signals.



66019. An AND gate and two INVERTERs can be connected to act as a basic decoder.



66020. Parity checking can only detect an odd number of errors.



66021. A sixteen-input multiplexer will need three data select input control lines.



66022. A hexadecimal decoder selects one of sixteen outputs depending on the 8-bit binary input applied.



66023. A multiplexer is a device that chooses which output to send an input to by means of select lines.



66024. A technique that can be used in multiple-digit numerical displays to control suppression or display of leading or trailing zeros in the display is called _________.





66025. Parity systems are defined as either_____ or _____ and will add an extra _____ to the digital information being transmitted.





66026. A device that uses a binary decoder to direct a digital signal from a single source to one of several destinations is a ________.





66027. A code in which each individual digit of a decimal number is represented by a 4-bit binary number is _________.





66028. The diodes in a seven-segment display where all cathodes are tied together and grounded are illuminated when a logic ____________________ is applied to the ____________________.





66029. Most demultiplexers facilitate which of the following?





66030. Select one of the following statements that best describes the parity method of error detection:





66031. A multiplexed display:





66032. How many buses are connected as part of the 8085 microprocessor?





66033. The technique of assigning a memory address to each I/O device in the SAM system is called:





66034. A port can be:





66035. How many bits are used in the address bus?





66036. Exceptions to the 8085 microprocessor normal operation are called:





66037. It takes two memory locations (16 bits each) to store an address in the 8085 system.



66038. A compiler is a translation program that converts high-level instructions into a set of binary instructions (machine code) for execution.



66039. The language understood by the microprocessor is called assembly language.



66040. A machine cycle is the time it takes a microprocessor to fetch and execute a complete instruction.



66041. An address bus is also called a unidirectional bus.



66042. To keep the number of IC pins to a minimum, the 8085 uses a multiplexed bus.



66043. A register in the microprocessor that keeps track of the answer or results of any arithmetic or logic operation is the _________.





66044. The __________ program is used to convert mnemonic code to machine code.





66045. A(n) ________________ is the time it takes a microprocessor to fetch and execute a complete instruction.





66046. The ________ is the "brains" of every microcomputer.





66047. The circuits in the 8085 that provide the arithmetic and logic functions are called the __________.





66048. Since microprocessor CPUs do not understand mnemonics as they are, they have to be converted into __________.





66049. A program that contains nothing but strings of zeros and ones is called a(n) ________.





66050. The register in the 8085 microprocessor that is used to keep track of the memory address of the next opcode to be run in the program is the ________.





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