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Q1. | In a programmable counter |

A. | the starting number for counting can be programmed [Wrong Answer] |

B. | the modulus can be programmed [Correct Answer] |

C. | both the starting number and modulus can be programmed [Wrong Answer] |

D. | either the starting number or modulus can be programmed [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ Which of the following is not a valid character constant in C?

A'

2'

='

2

⇒ A high frequency series inverter consists of

a number of series inverters in series

a number of series inverters in parallel

a number of parallel inverters in parallel

a number of parallel inverters in series

⇒ The operating voltage of a megger is about

100 V

12 V

6 V

1 V

⇒ A lag compensator

speeds up the transient response of the system

improves steady state behaviour of the system

improves steady state behaviour and speeds up the transient response of the system

improves steady state behaviour and preserves the transient response of the system

⇒ For emitter-couple logic, the switching speed is very high because

negative logic is used

the transistors are not saturated when conducting

emitter-coupled transistors are used

multi-emitter transistors are used

⇒ In a three cavity klystron amplifier, the oscillations are excited in

input cavity

output cavity

intermediate cavity

both (a) and (b)

⇒ Consider the following

- A signal
*f*(*t*) and its Hilbert transform*f*(_{h}*t*) have the same energy density spectrum - A signal
*f*(*t*) and its Hilbert transform,*f*(_{h}*t*) have the same auto correlation function - A signal
*f*(*t*) and its Hilbert transform are mutually orthogonal

1, 2 and 3

1 and 2 only

1 only

2 and 3 only

⇒ As the number SWG increases, area of cross-section decreases.

TRUE

FALSE

⇒ In a klystron amplifier dc electron velocity is

*v*

_{0}and dc electron charge density is r

_{0}the dc beam current is

r

_{0}

*v*

_{0}

r

_{0}

^{/}

*v*

_{0}

*v*

_{0}

^{/}r

_{0}

(

*v*

_{0}

^{/}r

_{0})

^{2}

⇒ Electrical contact materials used in switches, brushes and relays must possess

high thermal conductivity and high melting point

low thermal conductivity and low melting point

high thermal conductivity and low melting point

low thermal conductivity and high melting point

⇒ Which of the following instruction modes does not exist in microprocessor 8085?

Inherent

Immediate

Absolute

Indirect

⇒ A transistor has a power rating of 8 W for a case temperature of 25°C. If derating factor is 30 mW/°C, the power rating for 55°C, case temperature is

8 W

7.5 W

7.1 W

6.8 W

⇒ The instruction

`MVI A, 20`

in 8085 meanscontents of memory location 20 are brought into the accumulator

the value 20 is brought into accumulator

either (a) or (b)

neither (a) nor (b)

⇒ In a tape recorder

both record and erase heads have high permeability core

the record head has high permeability core but the erase head has low permeability core

the record head has low permeability core but the erase head has high permeability core

both record and erase heads have low permeability core

⇒ In the integer expression

`- A * B div C + D`

which operation is done first in Pascal-

*

div

+

⇒ A decade counter

counts for ten days

counts ten times faster than a binary counters

counts to 9 and reset on the next pulse

reverts on the pulse after the tenth

⇒ A 4 line to 16 line decoder has

16 inputs and 4 outputs

4 inputs and 16 outputs

either (a) or (b)

neither (a) nor (b)

⇒ Which of the following sampling frequencies is considered adequate in voice telephony?

4 kHz

8 kHz

16 kHz

32 kHz

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | IF noise | 1. | Ganged tuning |

B. | Image frequency | 2. | Spurious response |

C. | Station selector | 3. | Leaky filter capacitor |

D. | Excessive Hum | 4. | Mixer stage |

A-3, B-2, C-1, D-4

A-2, B-3, C-1, D-4

A-1, B-2, C-3, D-4

A-4, B-2, C-1, D-3

⇒ Which of the following frequency is likely to be associated with AM radio broadcast?

1000 kHz

100 MHz

500 MHz

10 GHz

⇒ The main advantage of hexadecimal numbers is

ease of conversion from hexadecimal to binary and vice-versa

ease of conversion from hexadecimal to decimal and vice-versa

ease of conversion from gray code to binary and vice-versa

the use of numbers and alphabets

⇒ The input gate current of FET is closer to

few amperes

few milli amperes

few microamperes

negligibly smaller value

⇒ A class A chopper has an input voltage of 200 V. T

_{on}= 1.5 ms and T

_{off}= 4.5 ms. The duty cycle, average output voltage and ripple factor respectively are

0.5, 100 V and 1

0.25, 50 V and 3

0.25, 50 V and 1

0.5, 100 V and 3

⇒ Which of the following integer expressions is incorrect in Pascal?

`L div M + P `

`A * * B`

`A div B - C `

`A mod B`

⇒ The dielectric losses do not depend on frequency.

TRUE

FALSE

⇒ Auto correlation function

is an even function of t

is an odd function of t

may be an even or odd function of t

is both an odd and even function of t

⇒ The current wave shown in figure is applied at

*t*= 0 to a 0.1 F capacitor. At

*t*= 1

*s*, the voltage across capacito

0 V

10 V

20 V

40 V

⇒ A CMOS amplifier when compared to an N-channel. MOSFET, has the advantage of

higher cut off frequency

higher voltage gain

higher current gain

lower current drain from the power supply, there by less dissipation

⇒ Which one of the following rules determines the mapping of

*s*-plane to

*z*-plane?

Right half of the s-plane maps into outside of the unit circle in

*z*-plane

Left half of the

*s*-plane maps into outside of the unit circle.

Imaginary axis in

*s*-plane maps in to the circumference of the unit circle.

All of the above

⇒ If average correlation between

*v*

_{1}(

*t*) and

*v*

_{2}(

*t*) is R

_{12}(

*t*) and average correlation between

*v*

_{2}(

*t*) and

*v*

_{1}(

*t*) is R

_{21}(

*t*) then

R

_{12}(t) = R

_{21}(t)

R

_{21}(t) = R

_{12}(t)

R

_{12}(t) = - R

_{21}(t)

none of these