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NPP Number System, Boolean Algebra and Logic Circuits 329

6. Find the simplified expression for Z in SOP and POS Form. Implement using NAND Gates
(Z SOP POS NAND
A B C Z

0 0 0 1
0 0 1 0
0 1 0 1
0 1 1 0

1 0 0 1
1 0 1 1
1 1 0 0
1 1 1 1

7. Minimize F and Implement using NOR gates only (F NOR
X Y Z F
0 1 0 0
0 1 1 1

1 0 1 1
1 1 0 1
1 1 1 0
Objective Type Questions

Q.1. Total number of digits in a number system is called its:
Z§~a {gñQ>‘ ‘| {S>{OQ> Ho$ Hw$b Z§~a H$mo H$hVo h¢…
(a) Power / nm°da (b) Index / B§S>o³g (c) Base / ~og (d) None / H$moB© Zht
Q.2. The radix of binary number system is :

~m¶Zar Z§~a {gñQ>‘ H$m ao{S>³g h¡…
(a) 8 (b) 16 (c) 2 (d) None / H$moB© Zht
Q.3. The radix of hexadecimal number system is :
h¡³gmS>o{g‘b H$m ao{S>³g h¡…
(a) 8 (b) 16 (c) 2 (d) None / H$moB© Zht
Q.4. Which of the following is not a character code:
{ZåZm§{H$V ‘| go H$m¡Zgm H¡$ao³Q>a H$moS> Zht h¡…

(a) ASCII (b) EBCDIC (c) Gray Code / J«o H$moS>(d) None / H$moB© Zht