Auxillary Physics

Convert the 127 decimal number into binary _________.

• 1100111

• 11111111

• 1111011

• 111111

The binary code of (21.125)10 is _________

• 10101.001

• 10100.001

• 10101.010

• 10100.111

The binary equivalent of 57 is _________.

• 111001

• 01010111

• 101111

• 0001100

A NAND gate has _________ inputs and _________outputs.

• High input and High output

• High input and low output

• Low input and low output

• Low input and high output

The 2’s complement of 1010101 is _________.

• 0101010

• 1110011

• 0101011

• 1101010

_________ codes is used for labeling the cells of a karnaugh map.

• Hexadecimal

• 8421 binary

• Octal

• Gray

A k map of 3 variables contains _________ Cells.

• 8

• 3

• 6

• 9

The Boolean expression AB + AC ̅ + BC simplifies to _________

• BC + AC ̅

• AB + AC ̅ + B

• AB + AC ̅

• AB + BC

The logical operation Y = A + A ̅B is equivalent to _________.

• Y = AB

• Y = A ̅B

• Y = A+ B ̅

• Y = A+B

The minimum number of NAND gates required to implement A + AB ̅ + AB ̅C is equal to _________.

• 0

• Y = 1

• Y = 4

• Y = 7