Question Paper of Computer Science | Grade XI 2070

Candidates are required to give their answer in their own words as far as practicable. The Figures in the margin indicates full marks.

Time: 3 hrs | Full Marks: 75 | Pass Marks: 27

Group ‘A’ – Long Answer Questions

Attempt any three questions. [3 X 10 = 30]

1. Explain different types of programming languages with their merits and demerits. [10]
2. What is logic gate? Describe any four logic gates with truth table and gate symbol. [2 + 8]
3. What is computer architecture and computer organization? Describe the different units of computer system. [2 + 8]

Question Paper of Chemistry | Grade XI 2071

Candidates are required to give their answer in their own words as far as practicable. The figures in the margin indicates full marks.

Time: 3 hrs | Full Marks: 75 | Pass Marks: 27

Group ‘A’

Attempt any fifteen questions. [15 X 2 = 30]

1. 12gm of carbon react with 4gm of hydrogen to produce 16gm of methane. Which chemical law do these data illustrate. State the law. [1 + 1]
2. How many number of gold atoms are present in 0.6gm of 18 carat gold. The 24 carat gold is taken as 100% pure gold. (atomic mass of gold = 197). [2]

Question Paper of Computer Science | Grade XI 2071

Candidates are required to give their answer in their own words as far as practicable. The figure in the margin indicate full marks.

 

Time: 3 hrs | Full Marks: 75 | pass Marks: 27 

Group ‘A’ – Long Answer questions

Attempt any three questions [3x10=30]

1. What is an operating system? Describe the types of operating system. [2+8=10]
2. What is logic gate? Describe any four types of logic gate with truth table. [2+8=10]