COMPUTER ORGANIZATION ********************* 1. Memory allocation of variables declared in a program is a) allocated in RAM. b) allocated in ROM. c) allocated on stack. d) assigned to registers. Ans: (c) 2. A software that allows a personal computer to pretend as a computer terminal is a) terminal adapter b) bulletin board c) modem d) terminal emulation Ans: (d) 3. What is the max. decimal number that can be accomodated in a byte. a) 128 b) 256 c) 255 d) 512 Ans: (c) 4. Purpose of PC(Program Counter) in a MicroProcessor is a) To store address of TOS(Top Of Stack) b) To store address of next instruction to be executed. c) count the number of instructions. d) to store base address of the stack. Ans: (b) 5. Which of the following is a universal gate ? (a) OR (b) AND (c) XOR (d) NOR Ans. NOR COMPUTER NETWORKS ****************** 1.In the transport layer ,TCP is what type of protocol Ans. Connection oriented 2.Why is a gateway used Ans. To connect incompatible networks 3.In which layer are routers used Ans.In network layer 4. Piggy backing is a technique for a) Flow control b) Sequence c) Acknowledgement d) retransmition Ans. (c) OPERATING SYSTEMS ***************** 1.What is a semaphore Ans. A method synchronization of multiple processes 2.What type of interface does DOS have? a) Graphical interface b) Character interface c) Symbolic interface d) None of the above Ans. (b) 3. DMA - abbrevation a) Direct Memory Access b) Discrete Memory Access c) Disk Memory Access d) None of the above Ans. (a) 1) Virtual memory size depends on [a] address lines [b] data bus [c] disc space [d] a & c [e] none Ans : a DATA STRUCTURES *************** 1. What is the worst case complexity of Quick sort? Ans. O(n2) 2. In a sequential search, what is the average number of comparisons it takes to search through n elements ? Ans: (n+1)/2. 3. For linked list implementation , which search is not applicable ? Ans: Binary search. 4. In bubble sort , no. of comparisons required are ? a) N*(N+1)/2 b) N*(N-2)/2 c) N*(N-1)/2) d) None of the above Ans. (c) 5. In which of the following is the flow in both the directions ? a) Single linked list b) Double linked c) Queue d) None of the above Ans. (b) GENERAL ******* 1.What is the language used for Artificial Intelligence Ans: lisp 2. One Nibble = ? a) 8 bits b)16 bits c) 4 bits d)32 bits Ans. (c) 3.The total numberof characters in the ASCII code? a) 126 b) 256 c) 258 d) 128 Ans. (d) 4. In Windows NT- What NT stands for? a) Network Techniques b) New Technology c) Network Transmission d) None of the above Ans. (b) OOPS WITH JAVA ************** 1. What is the character set used in JAVA 2.0 ? Ans: Unicode 1. What is the diffrence between an Abstract class and Interface ? 2. What is user defined exception ? 3. What do you know about the garbate collector ? 4. What is the difference between C++ & Java ? 5. Explain RMI Architecture? 6. How do you communicate in between Applets & Servlets ? 7. What is the use of Servlets ? 8. What is JDBC? How do you connect to the Database ? 9. In an HTML form I have a Button which makes us to open another page in 15 seconds. How will do you that ? 10. What is the difference between Process and Threads ? ABBREVIATIONS ************* 1. ODBC Ans. Open Database Connectivity. 2. HTML Ans. Hyper Text Markup Language 3. RISC Ans. Reduced Instruction Set Computing 4. ASCII Ans. American Standard Code For Information Interchange 5.ANSI Ans. American National Standard Institute. 6. XML Ans. Extended Markup Language 7. FLOPS Ans. Floating Point Operating Per Second 8. SQL Ans. Sequential Query Language 9. QBE Ans. Query By Example 10. ALE Ans. Address Latch Enable