GATE2005-18

2.1k views

The switching expression corresponding to $f(A,B,C,D)=\Sigma(1, 4, 5, 9, 11, 12)$ is:

1. $BC’D’ + A’C’D + AB’D$

2. $ABC’ + ACD + B’C’D$

3. $ACD’ + A’BC’ + AC’D’$

4. $A’BD + ACD’ + BCD’$

6

Use K map

edited

Option A is the correct answer

Related questions

1
5.1k views
The range of integers that can be represented by an $n$ bit $2’s$ complement number system is: $-2^{n-1} \text{ to } (2^{n-1} -1)$ $-(2^{n-1} -1) \text{ to } (2^{n-1} -1)$ $-2^{n-1} \text{ to } 2^{n-1}$ $-(2^{n-1} +1) \text{ to } (2^{n-1} -1)$
Consider the following floating-point format. Mantissa is a pure fraction in sign-magnitude form. The normalized representation for the above format is specified as follows. The mantissa has an implicit $1$ preceding the binary (radix) point. Assume that only $0's$ are padded in while shifting a field. The ... of the above number $(0.239 \times 2^{13})$ is: $0A\;20$ $11\;34$ $49\;D0$ $4A\;E8$
Consider the following floating-point format. Mantissa is a pure fraction in sign-magnitude form. The decimal number 0.239 $\times$ 2$^{13}$ has the following hexadecimal representation (without normalization and rounding off): 0D 24 0D 4D 4D 0D 4D 3D
Consider the following circuit. Which one of the following is TRUE? $f$ is independent of $x$ $f$ is independent of $y$ $f$ is independent of $z$ None of $x, y, z$ is redundant