Duration: 2 hours Max. Marks: 60

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Blake McKinney
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1 I. (a) Explain as an application of the Internet. (b) Write a note on Browsers. What is a Search Engine? Explain the parts of client-server transaction of HTTP Protocol. (a) Explain the following tags with examples (i) <sub> (ii) <samp> (iii) <dfn> (iv)<small> (v) <ins> (b) Write the HTML Code for the following output: Types of Computers o Analog o Digital Super Computers Mainframe Computers Mini Computers Micro Computers i. Desktop ii. Laptop iii. Handheld o Hybrid Explain the frame and rules attributes of <table> tag. What are the different values that can be assigned to these attributes? What is a frameset? What are the attributes that can be used with <frameset> tag? Design a web page in HTML to demonstrate nested frameset. (a) Explain the following methods of Date object: (1) gettime() (2) getday() (3) getutcdate () (4) tolocaletimestring () () setdate() (6) getdate() (7) getmonth() (8) getfullyear() (9) valueof( ) (10) gettimezoneoffeset() (b) Explain the following regular expressions: i) /[^d-n]/ ii) /.e/g iii) /h+/g iv) /\w{6,13}/g v) /\d/g Explain document object collections. Design a web page to demonstrate the same. Explain the following operators with examples: (1) = = = (2)?: (3) new and delete (4), (a) What is XML? (b) Explain XSD Attributes. Write a note on XSL and XSLT.

2 Explain the following XML Schema: <xs:element name="employee"> <xs:complextype> <xs:sequence> <xs:element name="name" type="xs:string" /> <xs:element name="salary"> <xs:simpletype> <xs:restriction base="xs:integer"> <xs:pattern value="[0-9][0-9][0-9][0-9][0-9]"/> </xs:restriction> </xs:simpletype> </xs:element> <xs:element name="dept"> <xs:simpletype> <xs:restriction base="xs:string"> <xs:enumeration value="hr"/> <xs:enumeration value="it"/> <xs:enumeration value="acc"/> <xs:enumeration value="sales"/> <xs:enumeration value="purchases"/> </xs:restriction> </xs:simpletype> </xs:element> </xs:sequence> </xs:complextype> </xs:element> V. (a) What are session variables? Explain with an example how they are used to pass information between pages. (b) What are the functionalities of PHP? Explain the steps for executing PHP files. What is global variable scope? Explain with an example. Explain the methods to add elements to and remove elements from the beginning and end of an array in PHP. (a) Design a PHP to match alphanumeric characters in a string using PERL compatible format and POSIX format (b) Explain the mail() function with an example. Explain creating cookies and retrieving cookie values in PHP. Explain the following functions with examples: i) mysql_num_rows() ii) mysql_error() iii) exit()

3 I. (a) Find all sixth roots of unity. (b) 2 2 Define hyperbolic function and prove that cosh x sinh x 1. State De Moivres theorem. Use this to find sin 3 and cos 3. Find polar and exponential form of 3 i. (a) Find a, b, c, d such that function is analytic (b) Evaluate along 3 2 Define harmonic function. Show that u x 3xy is a harmonic function. ( z 1) Find the residues of f ( z) at each poles of f (z) inside the circle z 2. 2 ( z 2)( z 3) (a) Find laplace transform of sin 3 t. cost. (b) a Prove that L(sinat). 2 2 s a Prove that L e at 1 ( ) s a Find laplace transform of cos 3 3t (a) Express the following integral in terms of gamma function. 0 n n a x 1 (i) x e dx (ii) log dy. y 0 m, n m 1, n m, n 1. (ii) ( m, n) ( n, m). Using DUIS Prove the following. log1 cosx 1 dx sin cosx (b) Prove that (i) 0 Define error function and prove that error function is an odd function. V. (a) Define even and odd function and determine whether the given functions are even or odd in the interval,. (i) x x (ii) sin 3x (iii) x. (b) Find the fourier series for the function f x) x,. 3 Find the coefficient a n and b n in the fourier series expansion of f ( x) x. Find the fourier series for the function defined in, as f ( x) 1, x 0 = -1, 0 x ( in

4 (a) 2 3 Evaluate xy 2 dxdy. (b) Evaluate z xz 1 0 xz 1 2x Evaluate Evaluate 0 x a b 1 1 ( x y z) dydxdz dydx by changing the order of integration. 1 dydx xy

5 I. (a) Explain in detail I/O mapped I/O and memory mapped I/O interfacing. (b) What is a memory? Explain in detail different types of ROM and RAM What is interfacing? Discuss different signals require for memory interfacing. Explain in detail organization of 8 X 8 memory device. (a) What is a system bus? State and explain address, data and control bus in microprocessor 808. (b) Explain in detail Programming registers in microprocessor 808. What are controls and status signals in 808? Discuss in detail. With neat and labeled diagram, explain the basic organization of microprocessor based System. (a) Explain in detail classification of instructions on the basis of operation performed by the instruction. (b) Explain the difference between following instructions with suitable example: i) INX B and INR B ii) LXI H, 16-bit address and LHLD 16-bit address i) State the addressing modes of following instructions: 1]CMA 2] MVI B, 20H 3] MOV D,E 4] LDAX B ] RAR ii) Two numbers are stored in memory locations 2021H and 2022H respectively. Write a program to find sum of two 8-bit numbers where sum is greater than 8-bits. Store LSB of result in memory location 2023H and MSB in 2024H. Explain the importance of instruction DAA in 808. Two BCD numbers are stored at memory locations 2100H and 2101H. Write a program to add the contents of two memory locations.store the result at memory location 2102H. (a) What is a Cache memory? Explain in detail Cache memory organization. (b) Explain what you mean by computer organization and computer Architecture. Explain four main functions of computer. Discuss various characteristics of memory systems of a computer. Define structure and Function. Discuss various structural components of computer. V. (a) What are SFRs in 801 microcontroller? Explain in detail Accumulator, register B and DPTR. (b) Draw a neat and labeled diagram of PSW register and explain it in detail. Write a short note on internal RAM of 801. Explain in detail difference between microprocessor and microcontroller. (a) i)explain the following instructions: ADD A,Source byte, ADDC A, Source byte ii)write a program to add two 16-bit numbers,the numbers are FC4 H and 02EC H (b) Write a short note on addressing modes of 801 microcontroller. Write a program to copy the value 2 H in to RAM memory locations 41H to 44H using i)direct addressing mode ii)register indirect addressing mode without loop iii) Register indirect addressing mode with loop i)explain PORT 0 and PORT 2 of microcontroller 801 ii)a switch is connected to pin P1.0 and LED to pin P2.7. Write a program to get the status of the switch and send it to the LED.

6 I. (a) Explain the commands of DML with an example for each. (b) Explain the benefits of database system over file system. Write short note on instances and schema. Explain the task of database administrator. (a) Short note on basic building block. (b) Explain hierarchical and network model. Short note on business rules. Short note on data abstraction. (a) Explain any 6 Codd s rule. (b) Short note on UML. Explain 2NF in detail. Explain the types of constraints on relationship. (a) Explain union and difference operation in relational algebra. (b) Which operation is represented by Greek letter PI? Explain that operation in detail. Explain select and composition of select and project operation in detail. Explain tuple, attributes and relations in relational database. V. (a) Short note on left and right outer join with an example. (b) Explain the commands of data control language. Explain the two wildcard characters of pattern matching test with two examples for each. What are triggers? Explain with an example. (a) Explain inconsistent analysis problem caused by concurrent execution. (b) Short note on concurrent transaction. Explain the working of transaction process. Explain commit and rollback command in detail.

7 I. (a) Explain Characteristics of data communication. (b) Discuss protocol concept. Explain data flow? Write a short note on component of data communication. (a) Explain analog and digital signals. (b) Discuss following layers used in ISO/OSI layers 1. Physical layer 2. Data-link layer Discuss following layers used in TCP/IP layers 1. Network layer 2. Transport layers Write a short note on layered task (a) Write a short note on data representations (b) Discuss error classifications Write a short note on types of error. Discuss checksum with example? (a) Discuss parallel transmission with suitable diagram. (b) Write a short note on radio wave media. Discuss following concepts 1. Ground-wave propagation 2. Sky-wave propagation Differentiate between parallel and serial transmission. V. (a) Discuss star topology with suitable diagram. (b) Write a short note on design goals of routing algorithms. Explain switching concept. Discuss bus topology with suitable diagram. (a) Write a short note on IP4 headers. (b) Explain benefits of installation of network. Discuss WAN network. Write a short note on IP6 headers.

Q. P. Code : b. Draw and explain the block dig of a computer with microprocessor as CPU.

Q. P. Code : b. Draw and explain the block dig of a computer with microprocessor as CPU. Q. P. Code : 08235 (2½ Hours) [Total Marks: 75] N. B.: (1) All questions are compulsory. (2) Make suitable assumptions wherever necessary and state the assumptions made. (3) Answers to the same question