NEB computer science question paper asked in 2073

 computer science questions asked in 2073, in board exam by NEB.

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HSEB -2073(2016)
Grade: XI		FM: 75
Time: 3 hrs		PM: 27
COMPUTER SCEINCE (130-C)
Candidates are requested to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
	Group “A”    [Long Answer questions]		3*10=30
Attempts any Three  questions:
1.	What is Boolean logic? Describe the AND, OR, XOR logic gates with truth table and logic symbols.		4+6
2.	Define operating system. Explain the major functions of operating system with example of window based operating system.		4+6
3.	Define computer architecture with block diagram. Describe the function of memory and processing unit of computer system.		4+6
4.	What are difference generations of programming language? Draw a flow chart for sequence, control and looping concept with suitable example.		2+8
	Group “B”    [Short Answer questions]		9*5=45
Attempts any Nine  questions:
5.	How do you measure the capacity of speed and memory of computer system? Explain.		5
6.	List out the different number system with its base. Convert (456)10 decimal number to (…)2 binary number.		2+3
7.	Describe the De Morgan’s Law.		5
8.	Describe the secondary memory in computer system with example.		5
9.	List out the name of operating system. What are the main features of GUI based operating system?		2+3
10.	Describe the features of high level programming language.		5
11.	What is URL? Describe the search engine.		5
12.	Explain the <A> and <Img> tag with its properties and values. OR Write the advantages of DBMS.		2+3   5
13.	What are the features of word processing software? List out word processing software.		4+1
14.	What do you mean by mobile computing? Explain		5
15.	Write short notes on :       a) E-mail                   b) USB		2.5+2.5
	The End

Set- 24

HSEB -2073(2016)
Grade: XI		FM: 75
Time: 3 hrs		PM: 27
COMPUTER SCEINCE (130-D)
Candidates are requested to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
	Group “A”    [Long Answer questions]		3*10=30
Attempts any Three  questions:
1.	What is OS? Write its role. Explain any three functions of OS.			2+2+6
2.	What is memory? Explain different types of memory present in the computer system with their uses.			2+8
3.	What is programming language? Explain different types of programming language with their merits and demerits.			2+8
4.	Define Boolean algebra. Explain AND, OR, NAND and X-OR gate with truth table and logic gate.			2+8
	Group “B”    [Short Answer questions]			9*5=45
Attempts any Nine  questions:
5.	Explain impact and non-impact printers.			5
6.	What is mobile computing? List the advantages of mobile computing. OR What is super computer? Write its uses.			1+4     1+4
7.	Convert (BBA)16 to its octal number system.			5
8.	Describe computer virus and method of protection from virus.			5
9.	Differentiate between GUI and CUI.			5
10.	What is language translator? Differentiate between compiler and interpreter.			1+4
11.	What is word processor? What is page formatting? Explain. OR Describe different types of email account.			1+4   5
12.	Define the terms worksheet, workbook, sorting and formula in spreadsheet.			5
13.	What is HTML? Write the basic structure of HTML. OR Write advantages and disadvantages of DBMS.			1+4   5
14.	Subtract (1011)2 from (1100)2 by using 1’s and 2’s complement method.			5
15.	Write short notes on :       a) Second generation of computer                  b) Cache memory			2.5+2.5

The End

 

 

Set- 25

NEB -2073(2017)
Grade: XI		FM: 75
Time: 3 hrs		PM: 27
COMPUTER SCEINCE (130-Supplementary)
Candidates are requested to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
	Group “A”    [Long Answer questions]		3*10=30
Attempts any Three  questions:
1.	What is logic gate? Describe OR, AND, NOR logic gates with truth table, gate symbol and Boolean expression.			2+8
2.	What is operating system?  Explain the function of operating system.			2+8
3.	What is programming language? Explain compiler, interpreter and assembler. Also differentiate between compiler and interpreter.			2+6+2
4.	Describe a computer system with logical diagram.			10
	Group “B”    [Short Answer questions]			9*5=45
Attempts any Nine  questions:
5.	Differentiate between RAM and ROM.			5
6.	Explain the computer on the basis of working principle.			5
7.	Convert (BCA)16 to its octal number system.			5
8.	Differentiate between impact and non-impact printer.			5
9.	What is word processor? What do you mean by document formatting? Explain.                                          Or What is internet? Write the advantages of internet.			1+4   1+4
10.	What is spreadsheet? Write the uses of spreadsheet.			1+4
11.	What is HTML? Explain different types of tag used in HTML. OR Explain the advantages of DBMS.			1+4   5
12.	Explain different types of errors in program.			5
13.	What is cache memory? How it helps to improve the performance of computer?			1+4
14.	Subtract (10011)2 from (11011)2 by using 1’s and 2’s complement method.			2.5+2.5
15.	Write short notes on :       a) 3rd  generation of computer                  b) Monitor			2.5+2.5

The End