1.a. What is routing? Differentiate between static and dynamic routing methods.Provide their relative advantages and disadvantages. 1.b. Differentiate between 2G and 3G wireless technologies. 2.a. Compare virtual circuits and datagram networks. 2.b. Show the IP address formats of class A,B and C networks. 3.a. What is OSI model? How does you describe application protocol and networking protocol? 3.b. Describe how entities, attributes and relationship are used to model data. 4. Write a computer program in C/C++/Java that takes a positive integer N as input and find out the sum of the digits repeatedly until result is converged to a single digit:sample Input: N=254189 Sample output: Sum of digits: 29(First Step) Sum of digits: 11(Second Step) Sum of digits: 2(Final Step) 5. Write the following program using an object oriented programming language(C++/Java):You are given the rolls, names and contact--phones of all students in your class as input. You have to write a program to sort the list in lexicographical order of names and print the output to a file. 6. Write an algorithm to find the shortest path from a source node S to destination node D on a given input graph G(V,E,W). Here V is the set of vertices. E is the set of edges and W is the set of weights associated with edges. 7. Design an E-R diagram for airline reservation system consisting of flights, aircrafts, airports, fares, reservation, tickets, pilot, crew and passengers. Clearly highlight the entities, the relationships, the primary keys and mapping constraints. 8. What is digital divide? How does you can reduce the digital divide in Bangladesh and establish digital Bangladesh. 1. What is private IP address? Mention the class B private IP range. 2. What are the difference between layer 2 and layer 3 network switch? 3. What is data transmission method? Distinguish between simplex and duplex method. 8. Write a program in C or C++ language to calculate the factorial of any integer. What are the types of MOSFET? 11. 2. 11. 13. What are the properties of a weak password? 10. 5. Describe the principle for transmission of light through optical fiber.4. 9. . Explain the responsibilities of the data link layer of the OSI model 6. Explain GSM mobile network. Write down the frame format for a point to point protocol and explain. Explain with example of one too many relationship with E_R diagram. State the advantages and disadvantages of voice band and broadband. Explain BER in pulse transmission. 5. Design a GSM mobile network. What are the differences between RAID level 2 and RAID level 3? 12. Define worms and Trojan horse. 7. 4. 6. Explain optical detection principle. Explain IPv4 address protocol with its binary and dotted-decimal notation. How you can calculate the total storage capacity of magnetic disk? 14. What is database? State the RDBMS with example. 3. Explain GSM mobile network. 10. Define SM and MM fiber. What are the advantages of micro-controller over microprocessors? Question set 5 1. Give the block and schematic diagram of CMOS and explain its function. 9. 7. Explain briefly the function of the application layer. What are the difference between while and do while loop? 8. 12. sex code (male or female) and the marks obtained him/her in various subjects are supplied as input data. Write a program in C to calculate and print the percentage marks obtained by the male students and the list of only those female students who have passed in second division ( obtained 45% or more but less than 60%). It is obligatory to use the functions for determine of factorial of integers and power of integers. What are the components of design and electronic voting machine (EVM)? Explain in details. What are phases of compiler? 14. Explain C/C++ compiler with example. The roll number. Explain compiler. Mention the differences between primary key and unique key. They appear in an examination which consists of total 10 subjects. Show the SMTP and POP3 environment using diagrams.13. . Explain the properties of object-oriented programming language using example. Describe the differences between dial-up access and direct internet access. 10. What are the advantages and disadvantages of it? Question set 6 1. 5. Write a program in C. What is BCD code? Convert (635)8 into BCD. router and gateway with suitable examples. 15. Where each subject has maximum marks of 100. What do you mean by VSAT? 9. 16. Define email system. to evaluate Y of the following series. there are 50 students. Show that a flip-flop can use as binary counter. 8. 2. 11. 7. What is op-amp? 4. 6. In a class. Explain the differences between bridge. name. 3. Subnetting ( e). What is electronic cash register? What type of memory is there to store information permanently? 14. Application Server. 13. (b). Show the SMTP and POPS environment using diagram. CIDR g. What do you mean by outsourcing and nation portal framework? How the people of Bangladesh can be benefited by outsourcing? 15. 8.50. (c). COMOS b. Find the subnet number and the maximum number of hosts in this subnet. Answer any five of the following:. Network 2. 4. Write a program to calculate the highest. optical fiber (g). URL h. Define email system.6.20. What do you mean by cyber crime? How can we prevent cyber crime? 1. What do you mean by primary key and foreign key? What are the differences between primary key and unique key? 6. Web Server (d).248. subnet mask 255. Given a list of students examination marks. 3. Proxy Server. Mention the differences between a high level programming language and an object oriented programming language. 12. What are the acronym of the following in computer science and engineering? a. MODEM f. GIS & GSM e. Explain LAN and WAN. 7. ASCII i. What are the subnet and subnet masks? Suppose an IP address: 130.255. RDBMS d. Explain the life cycle in software engineering. What are the types of topology of network.(a).Y=1+x+x2/2! +x3/3!+……………………………+xn/n! Take the value of x from the keyboard. Database server (f). CSMA/CD c. 5.0/21. lowest and percentage of pass marks. HTTP j. 9. TCP/IP . What are the components to design an electronic voting machine(EVM)? Explain in details. 10. 7. What is microcontroller? Draw basic microcontroller architecture and describe its building blocks. What are the main deficiencies of IPv4? 8. Super key d.Question set 8 1. gateway and backbone. What are the function of kernel in a operating system? 2. 6. 9. Explain LAN. 5. 3. 10. 2. . modem. Explain router. WLAN and WAN. 4. Foreign key c. Question set 9 1. How do you use CMOS as an inverter? Justify your answer. Explain system model and simulation. What are the types of network topology? Draw the diagram for at least three of them. 3. Describe the following terms:a. Explain DFD. 5. Write a program to calculate the sum of the following series: 1 + 3 + 5 + ………………………………+99 8. Calculate its memory capacity supported number of memory banks. 11. Explain Andrew file system and its importance. Copare between primary key and foreign key in database system. What are the fundamental differences between 2G and 3G? 7. Draw the DFD for university course registration. Classify types of models with diagram. Explain distributed file system(DFS). Suppose a microprocessor address bus is 32 bit and data bus is 64 bit. Candidate keys 12. Write the general form of do-while loop. When does a relation in third normal form? Answer with a suitable example. What are the advantages of IPv6? 9. Explain waterfall model in software development process. Write down the name OSI model with respective layers protocol. 4. Write a C program to sum all numbers between 1 and 50 which are divisible by 5. Primary key b. 6. 5. 6. What are the responsibility of data link layer? What are the framing technique adopted in data link layer? Define object and class with example in the context of OOP. array and link list বববহহর এর সসববধহ ও অসসববধহগললহ উললখ কর। 2. 15. name. 13. the concept of local variable and global variable. NOR gate কক সহবরজননন বলহ হয় ককন? একবট কনটওয়হলকরর network address and Broadcast address বললত বক বসঝহয়? 4. position. বডবজটহল সহকর ও ই-গভলনরন বক? Modulation ও Demodulation এর কপবহজননয়তহ ববহখবহ করন। 5. Find out all employees who work in the finance department and whose salary is between 10000 and 20000. 12. Write down the following task in SQL command:a. সসলকলপ বলখসনন (ক) LAN ও WAN (খ) Switch ও Router 6. 4. department=CSE. What are the advantages of Polymorphism in OOP? When a function is called recursive function? Explain. department. 3. Star topology and mesh topology. 14. Primary key and unique key. with example. b. salary=25000 and phone=0123456789. What is VPN tunneling? Explain it with pictorial representation of a practical core. 1. write a program in C/C++ or Java to search and element in an array using . Object oriented programming বক? Inheritance. salary and phone. What is the ‘issue management’ in software project management? How those issues are managed? 1. Add a row to the employee table with emp_id=130. 2. Write a programe in c/c++/java language that will take a date from the keyboard and calculate the age of Bangladesh on that date in month unit. Ignore day count. Suppose you are given a table named employee with the fields: emp_id. NAND. Explain with examples the concept of friend function and function overloading in object oriented programming. name: Anamika. b. Distinguish between the following terms:a. 7. 16. Encapsulation ও Polymorphism সমলকর সসলকলপ বলখসন। 3. position=programmer. What is database? Draw and E-R diagram which represents one to many relationship.11. 9.0/16. Then divide this IP block into four subnetworks. Breifly answer the following questions:a. d. 8. Also write IP address of a host for each subnet. Write network address. b. 10. 7. broadcast address and subnet mask for each subnet. Then write a program in C/C++ or Java to find average of these numbers. why do we use cache memory? Write the main difference between single mode and multi mode optical fiber cable. write the names of two system software. what is the main advantage of using web based application? e. what is stack? Assume that a stack is implemented by a linked list.0. then write codes in C/C++ or Java for the push and POP functions. what is the main challenge of using cloud computing? . Assume the you are given 50 numbers. Assume that you are given an IP block 172.binary search technique.16.