ECAT Computer Science Chapter 5 Boolean Algebra Online Test

The logic device that perform Boolean multiplication is.

• AND gate A
• OR gate B
• Inverter C
• None of these D

According to Boolean algebra A+A+......+A is

• A A
• n A B
• 0 C
• 1 D

• 0 A
• 1 B
• x C
• 
  D

An AND gate will function as OR if.

• all the inputs to the gates are "I" A
• all the inputs are "O" B
• a Not gate is added to it C
• all the inputs and outputs are complemented D

In Boolean algebra A.A.A.A.A

• 5A A
• A B
• A⁵ C
• 1 D

The 'Boolean Algebra' is based on the premise that

• there are two states A
• differential equations can be solved by analog circuits. B
• either a statement is true or false C
• arithmetic operations can be carried out D

Boolean expression for NOR gate with two inputs x and y can be written as.

• x + y__ A
• x. y B
• x + y C
• 
  D

Which of the following gate is two level logic gate.

• OR gate A
• AND gate B
• EXCLUSIVE OR gate C
• NAND gate D

The half adder circuit has

• one input A
• two inputs B
• three inputs C
• always more than two inputs D

The heart of analog to digital converter (ADC) is

• comparator A
• pulse generator B
• voltage source C
• current source D

Logical multiplication refers to operation of.

• OR gate A
• AND gate B
• NOT gate C
• inverter gater D

According to Boolean algebra x + 1 = ______________

• 0 A
• 1 B
• x C
• 
  D

Pick up wrong logical expression

• 
  A
• 
  B
• 
  C
• 
  D

• A + B + C + D A
• 
  B
• A + B C + D C
• 
  D

• A + B + C + D A
• 
  B
• A BC D C
• A + B + C + D D