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Q1. | If a microcomputer has a 64 K memory; what is the hexadecimal notations for the first memory location? |

A. | AAAA [Wrong Answer] |

B. | FFFF [Wrong Answer] |

C. | AAA0 [Wrong Answer] |

D. | 0 [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss 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 :**

⇒ In what range should Re(

*s*) remains so that Laplace transform of the function

*e*

^{(a + 2)t + 5}exists?

Re(

*s*) >

*a*+ 2

Re(

*s*) >

*a*+ 7

Re(

*s*) <

*a*

Re(

*s*) >

*a*+ 5

⇒ The peak factor is

rms value/peak value

rms value/average value

peak value/rms value

peak to peak value/rms value

⇒ Consider the following statements:

- Strictly speaking C supports 1-dimensional arrays only.
- An array element may be an array by itself.
- Array elements need not occupy contiguous memory locations.

1 only

2 only

1 and 2

2 and 3

⇒ In a single phase full wave converter (M - 2 connection) feeding a highly inductive load, the firing angle for each thyristor is a in the respective half cycle. The period of conduction of each thyristor is

p - a

p

p + a

p - 2a

⇒ Power diodes are generally

silicon diodes

germanium diodes

either of the above

none of the above

⇒ The number of primitive string operations in 8086 is

3

4

5

6

⇒ A dynamometer wattmeter is suitable for both dc and ac.

TRUE

FALSE

⇒ The function Z(

*s*) has a pole at infinity if

the degree of numerator and denominator of Z(

*s*) are equal

the numerator of Z(

*s*) is one degree higher than denominator

the denominator of Z(

*s*) is one degree higher than numerator

the degree of numerator and denominator are either equal or differ by one

⇒ The resonant frequency of an R

_{F}amplifier is 1 MHz and its bandwidth is 10 kHz. The Q factor will be

10

100

0.01

0.1

⇒ In common base configuration, the input characteristics of bipolar junction transistor are drawn between

V

_{EB}and I

_{E}

V

_{CB}and I

_{C}

I

_{C}and V

_{CE}

I

_{E}and V

_{CE}

⇒ A circuit is replaced by its Thevenin's equivalent to find current through a certain branch. If V

_{TH}= 10 V and R

_{TH}= 20 Ω, the current through the branch

will always be 0.5 A

will always be less than 0.5 A

will always be equal to or less than 0.5 A

may be 0.5 A or more or less

⇒ As per BIS, the number of accuracy classes of instrument is

5

6

7

8

⇒ Which is correct with respect to computer memory?

Only a particular address can have a particular memory

Any address can have any memory

To read a word from computer memory, it is not necessary to specify a location

None of the above

⇒ The antenna current of an AM broad cast transmitter, modulated to a depth of 40% by an audio sine wave is 11 amperes. It increased to 12 ampere as a result of simultaneous modulation by another sine wave. The modulation index due to this second sine wave is :

0.4

0.757

0.643

0.8

⇒ A machine cycle has one clock cycle.

TRUE

FALSE

⇒ If the diameter of a wire is doubled, the current carrying capacity of the wire becomes

half

twice

four times

one-fourth

⇒ In dielectric heating, the thyristor circuits consist of

rectifier-chopper combination

controlled rectifier

ac regulator

rectifier-inverter combination

⇒ Which mode is usually preferred for cascading?

CE

CB

CC

Any of the above

⇒ The first contribution to logic was made by

George Boole

Copernicus

Aristotle

Shannon

⇒ For a Gaussian process, auto-correlation sequence also implies that

statistical independence

statistical dependence

ergodic process

all

⇒ A video transmission system transmits 625 picture frames per second. Each frame consist of a 400 x 400 pixel grid with 64 intensity levels per pixel. The data rate of the system is

16 Mbps

100 Mbps

600 Mbps

6.4 Gbps

⇒ As compared to the number of network elements in Brune synthesis, the number of network elements Bott-and Duffin in realization is

more

less

equal

any of the above

⇒ In figure the collector to emitter breakdown voltage of the transistor (βV

_{CEO}) shoul

more than V

_{CC}

more than 0.5 V

_{CC}

more than V

_{CC}+ E

more than 2 V

_{CC}

⇒ A few minutes disturbance in space communications occurs twice a year during Sunblinding when __________ are in line.

Sun and satellite

Sun and Earth station

Satellite and Earth station

Sun, satellite and Earth station

⇒ Use of high permeability core in moving iron instrument helps in

reducing size of meter

increasing sensitivity

reducing temperature error

all of the above

⇒ Magnetic flux density has the dimensions

MI

^{-1}T

^{-2}

M

^{-1}I

^{-2}T

^{-2}

ML

^{-3}T

^{-2}

MI

^{-1}T

^{-3}

⇒ In thermal ohm's law, temperature and power loss are analogous to

V and I respectively of ohm's law

I and V respectively of ohm's law

R and V respectively of ohm's law

I and R respectively of ohm's law

⇒ The voltage gain of an amplifier without and with feedback are 100 and 20. The negative feedback is

0.04

0.05

0.2

0.8

⇒ A typical value of

*g*

_{m}for a FET is about 25 μs.

TRUE

FALSE

⇒ An RL series circuit has an impedance of 20 Ω when frequency is 25 Hz. At

*f*= 50 Hz, the impedance will be

40 Ω

20 Ω

less than 40 W but more than 20 Ω

less than 20 W but more than 10 Ω