Related Questions

The device that exhibits negative resistance region is ___________.
ক Diac
খ Triac
গ Transistor
ঘ UJT
The device which transfer the signal from low resistance region to high resistance region is
ক Diode
খ Transistor
গ Capacitor
ঘ Inductor
To produce an old photograph, a photographer charges x dollars to make a negative, 3x/5 dollars for each of the first 10 prints, and x/5 dollars for each print in excess of 10 prints. If 45 dollars is the total charge to make a negative and 20 prints from an old photograph, how many dollars the photographer charges to make a negative?
ক 3
খ 3.5
গ 4
ঘ 4.5
To produce an old photograph, a photographer charges x dollars to make a negative 3x/5 dollars for each of the first 10 prints, and x/5 dollars for each print in excess of 10 prints. If 45 dollars is the total charge to make a negative and 20 prints from an old photograph, how many dollars the photographer charges to make a negative?
ক 3
খ 3.5
গ 4
ঘ 4.5
Which of the following represents examples of an IT input device, output device and storage device respectively ?
ক bar code reader, CD drive, projector
খ keyboard, monitor, hard disc
গ printer, DVD drive, joystick
ঘ printer, mouse, monitor
Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.
ক 3, 3, 1, 7
খ 3, 2, 1, none
গ 3, 2, 1, 7
ঘ 3, 3, 2, none
ঙ All of the above
If x is negative , all BUT which of the following must also be negative?
ক x3
খ 1/x3
গ 1/x
ঘ 1/x2
In each expression below , N represents a negative integer . Which expression could have a negative value?
ক N(square)
খ 6-N
গ -N
ঘ 6+N
If x is negative , which of the following must also be negative?
ক (-X3)2
খ (-1)x
গ 1-x
ঘ x3-x2
If the product of 6 integers is negative , at most how many of the integers can be negative ?
ক 2
খ 3
গ 4
ঘ 5

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