Basic electronics 0 10:13:00 A+ A- Print Email 1. Current is measured in watts volts amperes 2. When these numbers are multiplied, (6 × 10^3) (5 × 10^5), the result is 3 x 10^8 30 x 10^9 3 x 10^9 3. Which capacitor-store higher amount of energy? air capacitor paper capacitor mica capacitor 4. The attraction between the nucleus and valence electron of copper atom is zero weak strong 5. Which of the following is a type of error associated with digital-to-analog converters (DACs)? nonmonotonic error incorrect output codes nonmonotonic and offset error 6. A binary-weighted digital-to-analog converter has an input resistor of 100 k ohm. If the resistor is connected to a 5 V source, the current through the resistor is: 50 micro amps 5 milli amps 5 micro amps 7. The output will be a LOW for any case when one or more inputs are zero in a(n): OR NOT AND 8. A single transistor can be used to build which of the following digital logic gates? AND OR NOT 9. Select the equation below that represents the relationship between charge, capacitance, and voltage for a capacitor. C=QV Q=CV V=IR 10. After which time constant can a capacitor be considered to be fully charged? first third fifth 11. A computerized self-diagnostic for a ROM test uses: the check-sum method ROM listing ROM comparison 12. Which of the following memories uses a MOSFET and a capacitor as its memory cell SRAM DRAM ROM 13. A nonvolatile type of memory that can be programmed and erased in sectors, rather than one byte at a time is: flash EPROM EEPROM 14. A nonvolatile type of memory that can be programmed and erased in sectors, rather than one byte at a time is: 144 512 4096 15. If the resistance in a circuit with constant voltage increases, the current will increase decrease stay the same 16. A damaged resistor might have burnt changed in resistance value both 17. When referring to instruction words, a mnemonic is: short abbreviation for the operand address a short abbreviation for the operation to be performed shorthand for machine language 18. Which bus is bidirectional? data bus control bus address bus 19. The software used to drive microprocessor-based systems is called: firmware assembly language programs flow chart instructions 20. A microprocessor unit, a memory unit, and an input/output unit form a: CPU compiler micro computer Score = Correct answers:
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