BEE LAB Viva-1

Convert the binary number 1101101 to octal number ?

answer options are given below:

• 257

• 155

• 123.55

• 15.334

Convert the decimal number 439 to hexadecimal number ?

answer options are given below:

• 1B7

• 193D

• 123.5EF

• 66

Universal gates are................

• NOT and NOR

• AND and OR

• NAND and NOR

• XOR and XNOR

Simplify the given Boolean logic expression,

Y = C(B+C)(A+B+C)

• AC

• BC

• A

• C

Simplify the given logic circuit,

• AB + BC (B + C)

• BC (B + C)

• AB + (B + C)

• (B + C)

The basic op-amp consists of an input stage with........................, an output stage with one output terminal.

• three input terminals

• four input terminals

• one input terminals

• two input terminals

The voltage gain with feedback of an ideal inverting amplifier is,

• -Rf/R1

• Rf/R1

• -R1/Rf

• Rf + R1

The voltage gain with feedback of an ideal non-inverting amplifier is,

• 1-Rf/R1

• 1+Rf/R1

• -R1/Rf2

• Rf + R13

How many diodes does the full-wave rectifier consist of?

• 1

• 5

• 3

• 4

Efficiency of bridge full wave rectifiers is _____.

• 81.2%

• 55%

• 42.6%

• 46.33%