f2(x2, x1, x0) will be

1.  ∑m (1, 2, 5, 6)

2.  ∑m (1, 2, 6, 7)

3.  ∑m (2, 3, 4)

4.  None of these

View Answer  
4
Correct Answer :

∑m (1, 2, 6, 7)


Explanation :
No Explanation available for this question

The memory requirement for this program is

1.   20 Byte

2.  21 Byte

3.  23 Byte

4.  18 Byte

View Answer  
4
Correct Answer :

23 Byte


Explanation :
No Explanation available for this question

A ROM is used to store the table for multiplication of two 8-bit unsigned integers. The size of the ROM required is

1.  256 x 1

2.  64k x 8

3.  4k x 16

4.  64k x 16

View Answer  
4
Correct Answer :

4k x 16


Explanation :
No Explanation available for this question

A 4 x 1 MUX is used to implement a 3-input Boolean function is as shown below. The Boolean function F(A, B, C) implemented is

1.  F(A, B, C) = ∑(1, 2, 4, 6)

2.  F(A, B, C) = ∑(1, 2, 6)

3.  F(A, B, C) = ∑(1, 4, 5, 6)

4.  F(A, B, C) = ∑(1, 5, 6)

View Answer  
4
Correct Answer :

F(A, B, C) = ∑(1, 2, 4, 6)


Explanation :
No Explanation available for this question

Two d flip-flops are connected as a synchronous counter that goes through the following QB QA sequence 00"11"01"10"00"…  

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

A read/Write memory chip has a capacity of 64 k Bytes. Assuming separate data and address lines and availability of chip enable signal, what is the minimum number of pins required in the IC chip

1.  28

2.  26

3.  24

4.  22

View Answer  
4
Correct Answer :

28


Explanation :
No Explanation available for this question

The J-K flip-flop shown is initially reset, so that Q=0. If a sequence of four clock pulses is then applied, with the J and K inputs as given in the figure, the resulting sequence of values that appear at the output Q starting with its initial state, is given by

1.  01011

2.  01010

3.  00110

4.  00101

View Answer  
4
Correct Answer :

00101


Explanation :
No Explanation available for this question

An X-Y flip flop, whose characteristic table is given below is to be implemented using J-K flip flop. This can be done by making X Y Qn+1 0 0 1 0 1 Qn 1 0 Qn 1 1 0

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

The Boolean functions can be expressed in canonical SOP (sum of products) and POS (product of sums) form. For the function, Y=A+B.C, Which are such two forms

1.  Y = ∑(1, 2, 6, 7) and Y = Π (0, 2, 4)

2.  Y = ∑(1, 4, 5, 6, 7) and Y = Π (0, 2, 3)

3.  Y = ∑(1, 2, 5, 6, 7) and Y = Π (0, 1, 3)

4.  Y = ∑(1, 2, 4, 5, 6, 7) and Y = Π (0, 2, 3, 4)

View Answer  
4
Correct Answer :

Y = ∑(1, 4, 5, 6, 7) and Y = Π (0, 2, 3)


Explanation :
No Explanation available for this question

The output of a 3-stage Johnson (twisted-ring) counter is fed to a digital-o-analog (D/A) converter as shown in the figure below. Assume all states of the counter to be unset initially. The waveform which represents the D/A converter output V0 is

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question
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