CS304,EC304,DCSE16, DETE16 III SEMESTER DIPLOMA EXAMINATION, JANUARY-2013 MICROPROCESSOR Time: 3 Hours Max. Marks: 75 GROUP A : Answer any three questions. (Question No. 1 is compulsory) Q.1 What do you understand by word length of a computer? Explain with examples. (05) Q.2 Draw and explain the timing diagram for memory read operations. (10) Q.3 What are various status flags provided in 8085? Discuss their roles. (10) Q.4 Explain what operation will take place when the following instructions are executed. LXI rp, data; LDA addr, LHLD addr, STA addr, and SHLD addr. (10) Q.5 Classify 8085 instructions in various groups. Give examples of instructions for each group (10) GROUP B : Answer any three questions. (Question No. 6 is compulsory) Q.6 What are the essential components of a digital computer? Draw the block diagram of a computer showing its essential components. (05) Q.7 Explain maximum mode of 8086 with trimming diagram. (10) Q.8 Explain even and odd memory banks for 8086 microprocessor (10) Q.9 Explain flag register of 8086 with nead diagram (10) Q.10 What are the various types of data formats for Intel 8085 instructions? Give examples for each type of data format. (10) GROUP C: All Questions are Compulsory. Q.11 Fill in the blanks. (Each question carries 2 marks) (iv) In 8086 processor no of data bus. BIU stands for. ALE Stands for. RST stands for. Active low means. Q.12 Multiple choice question. (Each question carries 2 marks) There are groups of instructions in 8085. (a) Five (b) Four (b) (c) Three (d) None of these There are types of instructions in 8086. (a) Five (b) Four (c) Three (d) None of these 8255 is. (a) PCI (b) DMA (c) Both (d) None of these (iv) is interface technique 8085. (a) Memory Mapped (b) I/o mapped (c) Both (d) None of these Nibble is.
(a) 4 Bit (c) Both (b) 4 Byte (d) None of these Q.13 True or false (Each question carries 1 marks) 8085 is a 16 Bit processor. Buffer is a D flip flop. 8255 is a microprocessor. (iv) SP is used in instruction branching. PC is used in program control. ******
CS305/DCSE17-L III SEMESTER DIPLOMA COMPUTER ENGINEERING EXAMINATION JANUARY-2013 C AND DATA STRUCTURES Time: 1 hours (5X5=25) I. ANSWER ALL QUESTIONS. 1. Write a C program to perform operations in stack using array. 2. Write a C program to convert an infix expression into post fix expression. 3. Write a C program to evaluate a postfix expression. 4. Write a C program to perform operations in queue using array. 5. Write a C program to create a binary tree.
CS306/DCSE18-L III SEMESTER DIPLOMA COMPUTER ENGINEERING EXAMINATION JANUARY-2013 BASICS OF ELECTRICAL AND ELECTRONICS ENGINEERING Time: 1 hours (5X5=25) I. ANSWER ALL QUESTIONS. 1. Construct Half subtractor and full subtractor circuits using ICs and verify their truth table. 2. Verify the operation of a multiplexer and de-multiplexer using IC s 3. Implement and Test RS, JK, T and D flip-flops. 4. Construct and test 4-bit ripple counter and observe the output waveform. 5. Construct and test 4-bit shift registers.
III SEMESTER DIPLOMA EXAMINATION, JANUARY-2013 OPERATING SYSTEMS Time: 3 Hours Max. Marks: 75 GROUP A: Answer any three questions. (Question No. 1 is compulsory) Q.1 Define O.S? State the different types of operating systems. (05) Q.2 What are different types of services provided by operating system?explain in detail. (10) Q.3 Explain address translation by associative mapping. (10) Q.4 Explain the components of Linux. (10) Q.5 Explain the different file allocation method (10) GROUP B : Answer any three questions. (Question No. 6 is compulsory) Q.6 Differentiate between multitasking & multiprogramming. (05) Q.7 Explain the following (10) Maintaining user accounts Backups and restoration. Q.8 Explain the different types of access methods. (10) Q.9 Explain any two replacement policies. (10) Q.10 Define process with neat diagram explain process transitions. (10) GROUP C: All Questions are Compulsory. Q.11 Fill in the blanks (Each question carries 2 marks) (iv) Clustering is used for. Replication is for. Data is stored onto the disk in the form. DOS is having security. Hard disk is the storage device. Q.12 Multiple choice question. (Each question carries 2 marks) CS301/DCSE13 is the state of the processor, when a process is waiting for some event to occur. (a) Wait (b) Deadlock (c) Both of these (d) None of these. Multiprogramming systems. (a) Are easier to develop than single programming systems (b) Execute each job faster (c) Execute more jobs in the same time (d) Are used only on large main frame computers Which is not the state of the process? (a) Blocked (b) Running (c) Ready (d) Privileged
(iv) Let S and Q be two semaphores initialized to 1, where P0 and P1 processes the following statements wait (s); wait (Q);----; signal (S);signal (Q) and wait (Q); wait (S) ;---- ; signal (Q);signal(S); respectively. The above situation depicts a. (a) Semaphore (b) Deadlock (c) Signal (d) Interrupt What is a shell? (a) It is a hardware component (b) It is a command interpreter (c) It is a part in complier (d) It is a tool in CPU scheduling Q.13 True or false (Each question carries 1 marks) OS is a system software. Process is an independent program with its won data. OS manages I/O and Memory. (iv) Round robin is a deadlock prevention technique. Deadlock is related to processing scheduling. ******
CS302, DCSE14 III SEMESTER DIPLOMA EXAMINATION, JANUARY-2013 C AND DATA STRUCTURES Time: 3 Hours Max. Marks: 75 GROUP A: Answer any three questions. (Question No. 1 is compulsory) Q.1 What is Keyword, constant, variable and data-type? (05) Q.2 What is String? Give the different types string. (10) Q.3 Explain malloc(), calloc(), free() function. (10) Q.4 Explain circular linked list explain with example. (10) Q.5 Explain BFS and DFS with example. (10) GROUP B: Answer any three questions. (Question No. 6 is compulsory) Q.6 What the difference in complete binary tree and binary tree give example. (05) Q.7 Explain the data-types in DS and Explain function with example (10) Q.8 What is the difference in between Functions with arguments and no return values and Functions with no arguments and no return value. (10) Q.9 What is dynamic memory allocation how it is differ from static memory allocation. (10) Q.10 What is linked list? Explain different types of linked list. (10) GROUP C: All Questions are Compulsory. Q.11 Fill in the blanks (Each question carries 2 marks) (iv) Stack is memory. is a node of graph. is in degree. Free is used for. LIFO stands for. Q.12 Multiple choice question. (Each question carries 2 marks) is a traversing technique. (a) Bottom up (b) Top Up (c) In Order (d) None Of Above (iv) Dynamic memory allocated during. (a) Compilation (b) Execution (c) Loading (d) Program writing Hashing is used for. (a) Indexing (b) Searching (c) None of these (d) Both of these. Data structure is about. (a) Memory allocation (b) Data about data (c) None of these (d) Both of these. is a pointer.
(a) Address container (b) Data type (c) None of these (d) Both of these. Q.13 True or false (Each question carries 1 marks) Array is a dynamic data structure. When memory to variable gets allocated during the time of program compilation is called static memory allocation. Sizeof is a operator. (iv) Tree is a linear structure. Sorting is a data arrangement. ******
CS303,DCSE15 III SEMESTER DIPLOMA EXAMINATION, JANUARY-2013 BASICE OF ELECTRICAL AND ELECTRONICS ENGINEERING Time: 3 Hours Max. Marks: 75 GROUP A : Answer any three questions. (Question No. 1 is compulsory) Q.1 State the unit of Resistance & Current. (05) Q.2 Calculate the filament resistance in 100 Watts 230v lamp. (10) Q.3 Explain with neat diagram of Half wave rectifier. (10) Q.4 Draw the input and output characteristics of CB Configuration. (10) Q.5 Explain with neat diagram, and working of Half adder. (10) GROUP B : Answer any three questions. (Question No. 6 is compulsory) Q.6 What is series connection? (05) Q.7 What are the properties of Ideal Transformer? (10) Q.8 What are the applications of single phase capacitor start induction run motor? (10) Q.9 Explain with neat diagram of construction and working principle of Multiplexer. (10) Q.10 Explain with neat diagram of Asynchronous Counter. (10) GROUP C: All Questions are Compulsory. Q.11 Fill in the blanks (Each question carries 2 marks) (iv) The ratio of RMS value to the average value of AC is called factor. The maximum positive or negative value of an AC is called value. is barer potential. Counters are made with flip flop. is used to convert AC to DC. Q.12 Multiple choice question. (Each question carries 2 marks) is type of stepper motor. (a) Hybrid (b) Permanent magnet (c) Both (d) None of these. is used to store data. (a) Counter (b) Buffer (c) Both (d) None of these SR flip flop is. (a) Latch (b) Counter (c) Both (d) None of these (iv) 1.5A amount of current is flowing through a coil. 20 volts is provided across a coil. The resistance of a coil will be? (a) 11 (b) 12.99 (c) 13.3 (d) 13.5
Full adder uses inputs. (a) 1 (b) 2 (c) 5 (d) 3 Q.13 True or false (Each question carries 1 marks) Trickle charging is suitable for charging of fully discharged batteries. To protect equipments and buildings earthing is needed. K map is used to simplify logical equation. (iv) Not gate is a universal gate. Transistor is semiconductor device. ******