Assesment:One-Week ATAL FDP On “Recent Advancements in VLSI

1. 1.      In IC fabrication process, at what temperature soft bake process is performed and select its purpose

• 30⁰C to 60⁰C and to apply extra photoresist

• 90⁰C to 100⁰C and to remove the residual solvents of the photoresist

• 180⁰C to 200⁰C and to perform lithography

• 120⁰C to 160⁰C and to perform annealing

2. 2. Select appropriate dynamic power expression.

• a.       P_D = C_L V_DD² f_clk

• a.       P_D = R_L V_DD f_clk

• a.       P_D = C_L V_DD² f_clk²

• a.       P_D = R_L V_DD² f_clk

3. 3. Issue arises out of Clock Domain Crossing (CDC) check

• Data Loss

• Glitches

• Both a&b

• LVS error

4. 4.Power dissipation is directly related to.

• Frequency of operation

• Square of VDD

• Both a & b

• Amplitude of input signal

5. 5.Dynamic power in VLSI circuits depends on the following parameters

• Supply voltage

• Bit transition

• Time to market

• Both a & b

6.Static power dissipation can be optimized by employing

• Capacitance compensation technique

• Clock gating technique

• Pipelining technique

• Parallel architecture technique

7. 7.Main parameter to be considered for reduction of power dissipation

• Static power dissipation

• Dynamic power dissipation

• Leakage power dissipation

• Both b & c

8.Select proper sequence for RTL design

• Micro Architecture, Specifications, RTL design, Synthesis, Functional simulation, Timing verification, Device programming

• Specifications, Micro Architecture, RTL design, Functional simulation, Synthesis, Timing Verification, Device programming

• RTL design, Specifications, Micro Architecture, synthesis, timing verification, Device programming, Functional simulation

• Functional simulation, Specifications, Micro Architecture, RTL design, Synthesis, Timing Verification, Device programming

9.Digital system design can be done using the following minimum number of logic blocks

• Encoders & Decoders

• Multiplexers & demultiplexers

• Multiplexers & D-Flip Flops

• Demultiplexers & T-Flip flops

10.Which of the following is true for good coding practice

• Use blocking statements for combinational circuits

• Use non-blocking statements for sequential circuits

• Both a & b

• Use null statements