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Q1. | A computer memory is an ordered sequence of storage cells. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ Java variables are called

instance variables, class variables and global variables

instance variables, class variables and local variables

instance variables, class variables and sector variables

global variables, class variables and local variables

⇒

Match the following:

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

A. | Total instantaneous value of emitter current | 1. | I_{E} |

B. | Quiescent value of emitter current | 2. | i_{E} |

C. | Instantaneous value of as component of emitter current | 3. | I_{e} |

D. | RMS value of ac component of emitter current | 4. | i_{e} |

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

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

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

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

⇒ A pure tone at 1000 Hz has a dB level of 40 dB. If the required dB level is 100, the number of such tones is

2.5

60

10

^{4}

10

^{6}

⇒ The constant M loci on G(

*s*) plane are a family of circles.

TRUE

FALSE

⇒ When one operand is real and one integer in Pascal, which of the following operations are not allowed?

+ and -

*

/

Div and Mod

⇒ Fleming's left hand rule is used to find

direction of force on a current carrying conductor

direction of flux in solenoid

direction of magnetic field due to a current carrying conductor

direction of induced emf

⇒

Match the following:

List I (Laws of Boolean) | List II (Relation algebra) | ||
---|---|---|---|

A. | Distributive law | 1. | x + x = x |

B. | DeMorgans law | 2. | x(y + z) = xy + xz |

C. | Idempotent law | 3. | (x) = x |

D. | Involution law | 4. | (x + y) = xy |

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

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

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

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

⇒ Which of the following binary product is incorrect?

1100 x 1010 = 1111000

1.01 x 10.1 = 11.001

1100110 x 1000 = 1100110000

None of the above

⇒ Robotic manipulator arms mostly use

hydraulic actuator

pneumatic actuator

electric motor actuator

none of the above

⇒ The start of modern computer age was started by the event

development of disc drive

development of transistor

development of Hollerith code

design of EVIAC computer

⇒ Indium, aluminium, arsenic are all

*p*type impurities.

TRUE

FALSE

⇒ The impulse response of discrete time system is

*x*[

*n*] = (4)

^{n}∪[3 -

*n*], the system is

casual

stable

stable and casual

stable and non-casual

⇒ Which of the following is not treated as hexadecimal constant by assembler in 8085?

64 H

5 AFH

AFH

OCFH

⇒ The characteristic impedance of coaxial cable is about

1000 ohm

500 ohm

250 ohm

75 ohm

⇒ The circuit shown in the figure, with R = 1/3 Ω, L = 1/4H, C = 3F has input voltage

*v*(

*t*) = sin2

*t*. The resulting current

*i*(

*t*

5 sin (2

*t*+ 53.1°)

5 sin (2

*t*- 53.1°)

25 sin (2

*t*+ 53.1°)

25 sin (2

*t*- 53.1°)

⇒ ∈

_{0}has no other physical meaning than that of a fundamental conversion factor.

TRUE

FALSE

⇒ If 100 V is the peak voltage across the secondary of the transformer in a half-wave rectifier (without any filter circuit), then the maximum voltage on the reverse-biased diode is

200 V

141.4 V

100 V

86 V

⇒ The open wired circuit in the given figure works

EX - NOR gate

AND gate

XOR gate

NOR gate

⇒ F's complement of (2BFD)

_{hex}is

E 304

D 403

D 402

C 403

⇒ Two 2 port circuits are connected cascaded. To determine the response, it is more convenient to use

O.C. impedance parameters

S.C. admittance parameters

ABCD parameters

*h*parameters

⇒ A semiconductor Read-only-Memory basically is

a combinational logic circuit

a set of flip-flop memory elements

a sequential circuit with flip-flops and gates

none of the above

⇒ The accuracy of a multimeter is about

± 0.5%

± 3%

± 0.01%

± 10%

⇒ In figure the open circuit em

15 V

1.45 V

1.475 V

1.485 V

⇒ The device having highest photo sensitivity is

photoconductive cell

photovoltaic cell

photodiode

phototransistor

⇒ Figure shows an R-L circuit. The current is

*i*= 1 -

*e*

^{-t}. The rate of change of current at

*t*= 1 secon

1 A/s

0.63 A/s

0.37 A/s

0

⇒ In a 3 byte instruction of 8085, the first, second and third byte respectively indicate

operation code, low order byte of data/address and high order byte of data / address

low order byte of data / address, high order byte of data / address and operation code

high order byte of data / address, low order byte of data / address and operation code

high order byte of data / address, operation code and low order byte of data / address

⇒ The hexadecimal number 64 AC is equivalent to decimal number

25727

25722

25772

25777

⇒ The opposition of an inductor to current flow

depends only on the resistance of the coil

depends on the magnitude of the applied voltage

varies directly with frequency

varies inversely with frequency

⇒ For global communication, the number of satellites needed is

1

3

10

5

⇒ The use of thermocouple meters for ac measurement leads to a scale which is

linear

square law

logarithmic

exponential