DC MODULE 1

The binary number of decimal number 32 is _______

• (100000)2

• (101100)2

• (111111)2

• (010101)2

_________ and ________ gates are universal gates?

• NAND and AND

• NAND and NOR

• NAND and OR

• None of the above

In which gate the output is high when any one or all inputs are high?

• AND

• NAND

• OR

• NOR

How many possibilities does two-bit number have?

• One

• Two

• Three

• Four

What is the base of octal?

• 2

• 8

• 10

• 16

What are the examples of weighted number systems and code?

• Decimal

• Binary

• Octal

• All of the above

What are the examples of un-weighted number systems and code?

• Gray code

• Excess-3 code

• Both gray code and excess-3 code

• None of the above

What are the basic gates?

• AND

• NOT

• OR

• All of the above

When all the inputs are high the output is also high in _______ gate

• AND

• NAND

• NOR

• None of the above

What is the base of hexadecimal _______

• None of the above

• 32

• 8

• 16