HISSAN 2071 grade 11 computer science question

 

HISSAN CENTRAL EXAMINATION -2071(2015)
Grade: XI		FM: 75
Time: 3 hrs		PM: 27
COMPUTER SCEINCE (130-M1)
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.	Explain different types of programming languages with their merits and demerits.		10
2.	What is Boolean algebra? Describe AND, OR , NOT, NAND gate with gate symbol and truth table.		2+8
3.	What is computer architecture and computer organization? Describe the different units of computer system.		2+8
4.	What is an operating system? Explain its major functions.		2+8
	Group “B”    [Short Answer questions]		9*5=45
Attempts any Nine  questions:
5.	What is number system? Convert (BABA)16 hexadecimal number into octal number system.		1+4
6.	List the major features of mobile computing. OR Describe the major applications of super computer.		5 5
7.	What is memory? Differentiate between SRAM and DRAM.		1+4
8.	Differentiate between “logical errors” and “syntax errors”.		5
9.	Describe the features of fourth generation computer.		5
10.	Describe Non-impact printers with example.		5
11.	What is internet? List the major uses of internet. OR Describe the features of Word-processor.		1+4 5
12.	Subtract (111)2 from (1000)2 using 1’s and 2’s complement methods.		2.5+2.5
13.	What is output device? Differentiate between impact and non-impact printer.		1+4
14.	What is HTML? Describe the importance of HTML.		2+3
15.	Write short notes on: a)      Analog Computer                 b) Light Pen		2.5+2.5
	The End

HISSAN CENTRAL EXAMINATION -2071(2015)
Grade: XI		FM: 75
Time: 3 hrs		PM: 27
COMPUTER SCEINCE (130-D1)
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 programming language? Explain the different types of programming languages with their merits and demerits.		2+8
2.	Draw the block diagram of digital computer with logical connections. And explain the functions of different components of computer system.		2+8
3.	What is operating system? What are its objectives? Explain the functions of operating system.		2+8
4.	What is Boolean algebra? Explain AND, OR, NAND and NOT operation along with their truth table and Venn diagram.		2+8
	Group “B”    [Short Answer questions]		9*5=45
Attempts any Nine  questions:
5.	List the characteristics of computer. And Explain word length and diligence characteristics of computer.		1+4
6.	Explain the basic structure of HTML program with suitable examples.		5
7.	What is personal computer? Explain how it differs from Mainframe computer.		2+3
8.	Explain 2’s complement method of subtraction with suitable examples.		5
9.	What is an email? Explain the uses of email.		1+4
10.	What is application software? Differentiate between packaged and customized application software.		1+4
11.	What is the role of output device in computer? List the advantages and disadvantages of impact printer.		1+4
12.	What is an internet? Explain the services of internet.		1+4
13.	What are the different symbols used in flowchart? Explain.		5
14.	What is document formatting? Discuss its importance in word processing.		2+3
15.	Write short notes on(any two): a) Language Processor           b) Open source OS        c) Search Engine		2.5+2.5
	The End