Combinational Logic Circuits

The device shown here is most likely a ________

• a) Comparator
  

• b) Multiplexer
  

• c) Inverter
  

• d) Demultiplexer

What type of logic circuit is represented by the figure shown below?

• a) XOR
  

• b) XNOR
  

• c) AND
  

• d) XAND

A Full adder adds

• 2 bits

• 3 bits

• 4 bits

• more than 4 bits

Convert binary to octal: (110110001010)2

• A) (5512)8

• B) (6612)8

• C)(4532)8

• D)(130)10

Binary coded decimal is a combination of

• A) 2 Binary Digits

• B) 3s Binary Digits

• C)4 Binary Digits

• D)5 Binary Digits

For the device shown here, let all D inputs be LOW, both S inputs be HIGH, and the EN' input be HIGH. What is the status of the Y output?

• low

• HIGH

• HIGH IMPEDANCE

• DONT CARE

2'S Complement of 1110101010100001010

• 0001010101011110110

• 0001010101011110101

• 0001010101011110100

• 1101010101011110110

(48)₁₀ - (22)_{10 = ()2}

• 1011010

• 0011001

• 0011010

• 0011011

AB+A’C+BC=

• AB+A’C'

• AB+A’C

• AB+AC'

• AB'+A’C'

110 IS REPRESENTED AS IN SOP & IN POS FORM ABC’=m6 A’+B’+C=M6

• AB'C’=m6 A’+B+C=M6

• A'BC’=m6 A+B’+C=M6

• ABC’=m7 A’+B+C=M6

• ABC’=m6 A’+B’+C=M6