Group ‘A’
Select the best alternative and write in your answer sheet: [4 x 1 = 4)
1. 10112 + 110112 =____________.
i) 110101 ii) 110110 iii) 110100 iv)100110
2. The value of (0.55)8 into binary is:
i) 0.110110 ii) 0.100100 iii) 0.101101 iv) 0.011011
3. Hard disks were used in ___________.
i) First generation ii) Fourth Generation
iii) Second generation iv) Third generation
4. Which is not a storage size?
i) GigaBytes ii) TeraBytes iii) PetaBytes iv) FetaBytes
Group ‘B’
5. What is a logic gate? Explain NOR and NAND gate with logic function, logic diagram, truth table and venn diagram. [4]
6. Define the Hexadecimal number system and convert (FEE.375)16 into (?)10 [4]
7. Compare the features of Second generation and Fourth generation of computers. [4]
8. What is 2’s complement? Subtract (111111-111001) using 1’s complement and 2’s complement method. [4]