SPPU In -Semester Examination-A.Y.2021-2022 Sem.-I, Digital Circuits_ 210244_SE _ ECE_2019 Course_27/01/2022(11-11.40 A

Name of the Student

Roll Number

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E-Mail Id (modern college domain Id only)

Mobile number

Low power dissipation is desired in large systems as it leads to

• Lower cooling costs
• Lower power supply and distribution costs,
• Reduction in mechanical design problems
• All of above

The following hexadecimal number (1E.43)16 is equivalent to

• (36.506)8
• (36.206)8
• (35.506)8
• (35.206)8

In _____ circuit does not need memory

• Combinational
• Sequential circuit
• combinational and sequential circuit
• None of these

2's complement of 1011011 is

• 0110101
• 0100011
• 0100101
• 0100000

The output ‘Y’ of the given logic diagram is

• XOR
• XNOR
• AND
• XAND