While using a frequency counter for measuring frequency, two modes of measurement are possible. 1. Period time 2. 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

Digital Electronics
While using a frequency counter for measuring frequency, two modes of measurement are possible. 1. Period time 2. 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

8 Mhz

2 Mhz

1 Khz

2 Khz

8 Mhz

2 Mhz

1 Khz

2 Khz

ANSWER DOWNLOAD EXAMIANS APP

Digital Electronics
The voltage levels for negative logic system

must necessarily be positive

must necessarily be negative

must necessarily be 0 V and –5 V

may be negative or positive

must necessarily be positive

must necessarily be negative

must necessarily be 0 V and –5 V

may be negative or positive

ANSWER DOWNLOAD EXAMIANS APP

Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

input

triggering

output

clearing

input

triggering

output

clearing

ANSWER DOWNLOAD EXAMIANS APP

Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

Equal to the MSB of the original byte

Complement of the MSB of the original byte

1

0

Equal to the MSB of the original byte

Complement of the MSB of the original byte

1

0

ANSWER DOWNLOAD EXAMIANS APP

Digital Electronics
The fast logic family is

TRL.

ECL.

DRL.

TTL.

TRL.

ECL.

DRL.

TTL.

ANSWER DOWNLOAD EXAMIANS APP

Digital Electronics
AND-OR realization of a combinational circuit is equivalent to

NOR-NOR realization

NOR-NAND realization

NAND-NAND realization

NAND-NOR realization

NOR-NOR realization

NOR-NAND realization

NAND-NAND realization

NAND-NOR realization

ANSWER DOWNLOAD EXAMIANS APP

Digital Electronics

Digital Electronics The voltage levels for negative logic system

Digital Electronics The state of a flip-flop can be switched by changing its ________ signals.

Digital Electronics A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

Digital Electronics The fast logic family is

Digital Electronics AND-OR realization of a combinational circuit is equivalent to

Digital Electronics
The voltage levels for negative logic system

Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

Digital Electronics
The fast logic family is

Digital Electronics
AND-OR realization of a combinational circuit is equivalent to