# 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

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

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

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)

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.

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

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

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.

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)

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.

4
Correct Answer :

Explanation :
No Explanation available for this question

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