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

1Khz.

2 Khz.

2 Mhz.

8 Mhz.

1Khz.

2 Khz.

2 Mhz.

8 Mhz.

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Microprocessor
PUSH B instruction in 8085 microprocessor causes

the contents of register B & C to be copied in the stack

registers B & C to be cleared

the contents of registers B & C to be transferred in the stack and and the registers get cleared

the contents of register B only to be copied in the stack

the contents of register B & C to be copied in the stack

registers B & C to be cleared

the contents of registers B & C to be transferred in the stack and and the registers get cleared

the contents of register B only to be copied in the stack

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Microprocessor
Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran. Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.

A is correct R is wrong

Both A and R are correct but R is not correct explanation of A

Both A and R are correct and R is correct explanation of A

A is wrong R is correct

A is correct R is wrong

Both A and R are correct but R is not correct explanation of A

Both A and R are correct and R is correct explanation of A

A is wrong R is correct

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Microprocessor
The data bus of any microprocessor is always

Bi-directional

Either unidirectional or bi-directional

Unidirectional

None

Bi-directional

Either unidirectional or bi-directional

Unidirectional

None

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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

Either A or B depending on the actual number

A smaller floating point number

A larger floating point number

A negative floating point number

Either A or B depending on the actual number

A smaller floating point number

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Microprocessor
The first machine cycle of an instruction is always

An I/O read cycle

A memory read cycle

A fetch cycle

A memory write cycle

An I/O read cycle

A memory read cycle

A fetch cycle

A memory write cycle

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Microprocessor

Microprocessor PUSH B instruction in 8085 microprocessor causes

Microprocessor Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran. Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.

Microprocessor The data bus of any microprocessor is always

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 The first machine cycle of an instruction is always

Microprocessor
PUSH B instruction in 8085 microprocessor causes

Microprocessor
Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran. Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.

Microprocessor
The data bus of any microprocessor is always

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
The first machine cycle of an instruction is always