VLSI Front End Training Entrance test
Duration: 90 minutes
Total Question/marks: 30
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Write Boolean expression for 2:1 multiplexer
what is difference between sequential and combinational circuits?
what is difference between net and reg in Verilog?
If frequency is 10Khz what is the time period?
what is synthesis in VLSI design flow?
Write definition of set-up time for a DFF?
what is the difference between “==” and “===” operators?
write Verilog code for AND gate
write Verilog code for D-flip flop
Reduce following boolean expression Y=A’BC’+ABC + A'BC+ABC'  (C' means inverse of C)
How many flip flops are required to implement one-hot encoding for 4 state FSM?
what is difference between ASIC and FPGA
List down various stages of VLSI design flow
Write a C program to add array of 5 integers.
 How many CMOS transistors are required to implement a NAND gate?
How many address lines to require to access 1kbyte memory whose individual location bit is 32.
Write a Verilog code for 1-bit half-adder.
 Difference between flip-flop and latch.
Write the equivalent value of 200(decimal) in octal format(16 bit variable)
Write the -25 in 8-bit 2’s complement format
difference between scanf and printf in c.
Write a Unix command to create directory by name 'sample'
How many NAND gates are required to implement 2:1 multiplexer.
Why NAND gate is called universal gate?
Y=AB’+B’A how many NOR gates are required
Find the next number in the pattern 2,12,20,30,42,56, ____.
X is radix, 121 radix x=100 in decimal format what is the value of radix 'x'.
One train going at 48km/hr crosses a railway pole in 10 seconds what is the length of the train
A shop owner selling a pen drive at 300 rupees makes 20% profit. What is the cost prize?
Write difference between Moore and Mealy machine
Why C language can’t be used for hardware design implementation?
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