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Microprocessor

Microprocessor
An e-mail message can be sent to many recipients.

True
False

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Microprocessor
While INX B instruction execute,

 all flags will be affected
 only carry and zero flags will be affected
 only carry flag will be affected
 no flags will be affected

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Microprocessor
While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by

 2 Khz.
 8 Mhz.
 1Khz.
 2 Mhz.

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Accumulator
 Condition code register
 Flag register
 Process status register

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Microprocessor
Which of the following is not a general purpose peripheral?

I/O port
Programmable interval timer
Programmable interrupt controller
Programmable CRT controller

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Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 8 K bytes
 1 K bytes
 10 K bytes
 4 K bytes

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