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Describe the operation performed by the instruction OUT 47 h, AL.
This transfers the content of AL to I/O port 47h. See that I/O port number shows as 0047h on the 16 bit address bus and which data from AL shows on the data bus of the microprocessor.
(a) Explain what asynchronous transmission is and give two advantages and two disadvantages of using this type of transmission. (b) One of the goals of multiplexing is efficienc
The various flags are: - Sign flag, Axillary flag, Zero flag, Parity flag, Carry flag.
Explain the difference between a microprocessor and an embedded microcontroller
Q. Explain the working principle of a TRIAC. "Triac" is an abbreviation for three terminal ac switch. 'Tri'-indicates that the device has three terminals and 'ac' indicates tha
which ckt. Or components using for irregular ac sine wave change into pure sine wave.......
The manufacturer of a 6V dry-cell flashlight battery says that the battery will deliver 15 mA for 60 continuous hours. During that time the voltage will drop from 6V to 4V. Assume
Explain temperature dependence of electrical resistivity and conductivity in semiconductors. The electrical conductivity of the semiconductors changes considerably with temper
Illustrate Common Emitter configuration, current amplification factor and collector amplifier. Describe transistor as an amplifier.
How to work ring counter?
Explain cascading of multiple PICS 8259. The 8259A adds 8 vectored priority encoded interrupts to the microprocessor. It can be expanded to 64 interrupt requests by using one
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