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

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 Mhz.

1Khz.

2 Khz.

8 Mhz.

2 Mhz.

1Khz.

2 Khz.

8 Mhz.

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

To disable data bus

Enable the data bus to be used as low order address bus

To latch data D0-D7 from data bus

To achieve all the functions listed above

To disable data bus

Enable the data bus to be used as low order address bus

To latch data D0-D7 from data bus

To achieve all the functions listed above

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Microprocessor
If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

A larger floating point number

A negative floating point number

A smaller floating point number

Either A or B depending on the actual number

A larger floating point number

A negative floating point number

A smaller floating point number

Either A or B depending on the actual number

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Microprocessor
A 37 bit mantissa has an accuracy of

8 decimal places

11 decimal places

6 decimal places

10 decimal places

8 decimal places

11 decimal places

6 decimal places

10 decimal places

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Microprocessor
Which of the following instruction is not possible in 8085?

POP B

POP D

POP 30 H

POP PSW

POP B

POP D

POP 30 H

POP PSW

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

2, 1, 4, 3

1, 2, 4, 3

1, 2, 3, 4

2, 1, 3, 4

2, 1, 4, 3

1, 2, 4, 3

1, 2, 3, 4

2, 1, 3, 4

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Microprocessor

Microprocessor Inintel 8085A microprocessor ALE signal is made high to

Microprocessor If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

Microprocessor A 37 bit mantissa has an accuracy of

Microprocessor Which of the following instruction is not possible in 8085?

Microprocessor Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

Microprocessor
If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

Microprocessor
A 37 bit mantissa has an accuracy of

Microprocessor
Which of the following instruction is not possible in 8085?

Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?