ECAT Pre Computer Science MCQ Test For Computer Chapter 5 With Answer

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

The heart of analog to digital converter (ADC) is

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

The output will be one in case any input is one in the case of.

• OR gate A
• AND gate B
• NAND gate C
• NOT gate D

Odd parity of a word can be conveniently tested by.

• OR gate A
• XOR gate B
• NOR gate C
• NAND gate D

• A + B + C + D A
• 
  B
• A + B C + D C
• 
  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 description for the exclusive OR gate for two inputs x and y can be written as.

• x + y __ A
• _x _y B
• x. y + x. y C
• x . y + x .y D

Logical addition refers to operation of

• OR gate A
• AND gate B
• NOT gate C
• invertr gate D

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

• 5A A
• A B
• A⁵ C
• 1 D

Which of the following statement is true in the case of AND gate with input A and B.

• If A and B are applied, there will not be any output A
• If neither input is applied, there will be an output B
• If one input is applied there will not be any output C
• If one input is applied there will be an output D

Which of the following operations are used by Boolean algebra.?

• Boolean addition A
• Boolean multiplication B
• Boolean complementation C
• All of the above D

Boolean algebra is.

• used for arithmetical operation is ALU A
• an aid for binary conversion B
• useful for error detection and error correction C
• used to describe the behavior and structure of logic networks and as an aid in the design of logic system D

• x . y A
• x + y B
• x . y C
• x . y D

Boolean algebra use which of the following to represent arithmetic quantities.

• decimal digits A
• exponents B
• binary bits C
• fractions D

If A and B are two 1-bit numbers, what logic gates will be required to test for A=B?

• NOR gate A
• EXCLUSIVE OR gate B
• EXCLUSIVE NOT gate C
• OR gate D