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Digital Computer Electronics

Digital Computer Electronics
Standard TTL has a multiple emitter input transistor and a _____ output

None of these
transistor
bipolar
register
totem-pole

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Digital Computer Electronics
FETs are used in linear ICs to:

(a) and (b) above
increase input resistance
None of these
provide large resistances
increase device complexity

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Digital Computer Electronics
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

X + YZ
XZ + Y
XY + YZ
None of these
X + Y + Z

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Digital Computer Electronics
How many full and half-adders are required to add 16-bit numbers?

16 half-adders, no full-adders
None of these
4 half-adders, 12 full-adders
1 half-adders, 15 full-adders
8 half-adders, 8 full-adders

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Digital Computer Electronics
The m-bit parallel adder consists of:

m full adders
m/2 full adders
m-1 full adders
(m+1) full adders
None of these

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Digital Computer Electronics
The octal equivalent of decimal 324.987 is

90.987
640.781
504.771
815.234
None of these

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