undefined undefined More... undefined [Close] undefined [Close] undefined TECHNICAL TEST QUESTIONS AND ANSWERS 1. What is the language used for Artificial Intelligence Ans: lisp 2. What is the character set used in JAVA 2.0 ? Ans: Unicode 3. Why there is no recursion in Fortran ? Ans. There is no dynamic allocation. 4.What is the worst case complexity of Quick sort? Ans. O(n2) 5. In a sequential search, what is the average number of comparisons it takes to search through n elements ? Ans: (n+1)/2. 6. What is the size of the array declared as double * X[5] ? Ans. 5 * sizeof ( double * ) 7. For linked list implementation , which search is not applicable ? Ans: Binary search. 8.The total numberof characters in the ASCII code? Ans:128 9.In Windows NT- What NT stands for? Ans:New Technology 10. Who is the CEO of Microsoft ? Ans:Steve Balmer 11.Power PC is the product of ? Ans:Apple 12.First Super Computer built in India. Ans:Param 13.Which of the following companies do not manufacture chips? Ans:Microsoft 14.What is the full form BIT Ans:Binary Digit 15.Information is ? a) Message b) Data c) Processed data Ans:Data 16.One Gigabyte =? Ans:2 pow 30 17.Oracle is ? Ans:RDBMS 18.In Oracle, Table means Ans : Collection of records 19.The processor used in first IBM PC? Ans:(8086,8088,zig4,intel) 20.In bubble sort , no. of comparisons required are ? Ans:N*(N-1)/2) 21.In which of the following is the flow in both the directions ? Ans:Double linked 22.Which of the following language is a functional language Ans:PI/I 23.What is the full form of ATM Ans:Asynchronous transfer mode 24.FDDI is a Ans:ring network 25.Which is pure object oriented language? Ans:Small talk 26. x.25 transfer protocal is used for Ans:circuit switching 27.The LRU algorithm Ans:pages out pages that have been least used recently 28.A search procedure which assosiates an address with a key value and provides a mechanism fordealing with two or more values assigned to the same address to the same address is called a. linear search b. binary search c. hash coded search d. radix search Ans. (c) (Note:All above are some search Algorithms] Some Sort Algorithms are Quick sort(Fastest),Bubble sort(Slowest&Best),Insertion Sort,Heap sort,Merge sort,shell sort 29.A t-switch is used to Ans:transmit characers one at a time 30.EE-ROM is Ans:electricity erasable 31.Which device can sense inventory data specified in bar codes? Ans:holographs 32.Corba stands for ... Ans:common object request broker architecture 33.Which is non-procedural language? Ans:effiel 34.Which of the following language supports associative arrays? Ans:perl 35.Which network protocol IBM mainframe and midrange support Ans:SNA 36.The achronym DAN stands for Ans:data acess network 37.Which of the following is responsible for coordinating various operations using timing signals? Ans:control unit 38.Microprocessors can be used to make a. computers b. calculators c. digital systems d. all the above Ans. (d) 39.FORTRAN implimentation do not permit recursion because Ans:they use static allocation for variables 40.Which of the following is not provided in C? Ans:synchronization, coroutines,and parallel processing 41.Data encryption Ans:is most used by public billboard networks 42.An ideal compiler should a. be a smaller in size b. produce object code that is smaller in size and executes faster c. take less time of compiling d. all the above Ans. (d) 43.Which data structure is needed to convert infix notations to postfix notations? Ans:stack 44.Recursive procedures are implemented by Ans:stacks 45.A linear list of elments in which deletion can be done from one end (front)and insertion can take place only at the other end(rear)is known as Ans:queues 46.A linear list in which elements can be added or removed at either end but not in the middle is known as Ans:deque 47.File record length Ans:should always be fixed 48.NLP stands for Ans:natural language processing 49.How many address lines are needed to address a 64Kb segment with each register storing upto 512 bytes. Ans. 14 address lines 50.In a computer system the ROM : (a) contains boot software (b) is permanent Ans:Both of the above 51.The register used by the shift reduce passing method is Ans. Stack 52.What is the greatest disadvantage of dynamic RAM over static RAM Ans. High Power and need to refresh every 2 ms. 53.Where is a variable defined in a function stores? Ans. Process Swappable Area 54.RISC Ans. Reduced Instruction Set Computing 55.FLOPS Ans. Floating Point Operating Per Second 56.QBE Ans. Query By Example 57.ALE Ans. Address Latch Enable 58.What is lagging in DBMS ? Ans. Reduced Redundancy. 59.Which of the following is a universal gate ? Ans:NOR 60.The default back end of the VB is Ans:Sybase 61.What is meant by Superconductivity? Ans. No reistance 62.What is the Lock Based Protocol used for? Ans. Concurrency Control in DBMS 63.For addressing 1 MB memory, the number of address lines required, Ans:16 64.Semaphore is used for Ans:synchronization 65.There are the following which are present in a boot floppy (a) IO.SYS (b) MSDOS.SYS (d) COMMAND.COM 66.OS/2 is a Multi Tasking OS 67.Bootstrap loader program is a program belonging to Ans:ROM startup software 68.The entry of starting cluster of a file is present in Ans:FAT(File Allocation Table) 69.Which program construct must return a value? Ans:Function 70.Transponders are used for which of the following purposes (a) Uplinking (b) Downlinking (c) Both (a) and (b) Ans:c 71.The format specifier "-%d" is used for which purpose in C Ans:Left justifying a string 72.A sorting algorithm which can prove to be a best time algorithm in one case and a worst time algorithm in worst case is Ans:Quick Sort 73.Thrashing can be avoided if Ans:The pages, belonging to the working set of the programs, are in main memory 74.Which of the following communications lines is best suited to interactive processing applications? Ans:Simplex channels 75.A feasibility document should contain all of the following except Ans:Data flow diagrams 76.What is the main function of a data link content monitor? Ans:To detect problems in protocols 77.Which of the following is a broadband communications channel? (a) Coaxial cable (b) Fiber optic cable (c) Microwave circuits (d) All of the above Ans:d 78.Which of the following memories has the shortest access time? Ans:Cache memory 79. A shift register can be used for (a) Parallel to serial conversion (b) Serial to parallel conversion (c) Digital delay line (d) All the above Ans. (d) 80.Thread is Ans:detachable unit of executable code 81.Advantage of Win NT over Win 95 Ans:robust &secure 82.memory managemant in Win95 Ans:(paging &segmentation) 83.In OSI, terminal emulation is done in a)session b)appl.. c)presenta... d)transport ans: b 84. For 1 MBmemory no of address lines required, a)11 b)16 c)22 d) 24 ans:b 85.which of the following involves context switch, a) system call b)priviliged instruction c)floating poitnt exception d)all the above ans: a 86. Piggy backing is a technique for a) Flow control b) sequence c) Acknowledgement d) retransmition ans:c 87.What is SQL. Ans:Procedural Relational DB Query Language. 88. Semafore is used for a) synchronization b) dead-lock avoidence c)box d) none ans : a 89.interprocess command in unix be achieved by a)pipes b)messages c)semaphores d)shared memory e)all ans: E 90.encription and decription is done in the following layer. a) DLL b) Networklayer c)Transport d) presentation Ans:d 91.floating point has different formats on two different machines.This modifi- cations are taken care by which layer? a) DLL b)Network layer c)Transpor layer d)Presentation Ans:d 92.Time complexity of Quick sort algo a)N*N b)log(N) c)N*log(N) d) N Ans:c 93.Which of the following function is not performed by O.S. a)CPU sheduling b)Memory management c)Transaction d).. Ans:c 94.If two appl. programmes uses same libraries which of following are shared a)lib code b)code and stack c) data d)data,code and stack ans:a(check for b) 95.which is the 16 bit max singned int. a)66337 b)66338 c)257 d)258 ans:a 96.When will interrupt occurs? a)devide by zero b)DMA completed c)no more memory ans:may be c 97.which of the following has low power cosumption a) EIL b)CMOS c) Totempole ...... Ans:b 98.which of the following is the wrong statement a)Cominational circuits has memory b)seqquential circuits has memory c)sequential ckts is a function of time Ans:a 99.Which of the following reduces CPU burden a)DMA b)............ Ans :a 100.malloc function allocates memory at a) compilation time b)link c)load d)running Ans: d 101) Which of the following language is a functional language a) RPG b) Small Talk c) PI/I d) LISP Ans:c 102) the LRU algorithem a) pages out pages that have been used recently b) pages out pages that have notbeen used recently c) pages out pages that have been least used recently d) pages out the first page in given data Ans:c 103) a t-switch is used to a) control how message are passed between computers b) echo every character that received c) transmit characers one at a time d) rearrange the .... Ans:c 104) which device can sense inventtary data specified in bar codes? a) mouse b) light pen c) holographs d) joysticks Ans:c 105)corba stands for ... a. common object request broker architecture b. combined recovery based system c. code recovery bench architecture d. none of the above Ans:a 106)which is non-procedural language? a. effiel b. ada c. small talk d. sql Ans:a 107)which of the following language supports associative arrays? a. pl/i b. rpg c.perl d. ada Ans:c 108)which network protocol IBM mainframe and midrange support a. SNA b. TCP/IP C. X.25 d.IEEE 802.5 Ans:a 109)the achronym DAN stands for a.data acess nettwork b.distributed area network c.desktop area network d.disk access node Ans:b 110)which of the following is responsible for coordinating various operations using timing signals? a.arithmetic-logic unit b. control unit c. memory unit d. input/output unit Ans:b 111)in assembler relocatable code generated by ...!!?? Ans: indirect addressing 112.depth of the tree Ans:log(n) 113. what does " calloc" do? Ans : A memory allocation and initialising to zero. 114.what does exit() do? Ans : come out of executing programme. 115. Scope of a global variable which is declared as static? Ans : File 116. What does chmod 654 stand for. Ans : _rw_r_xr__ 117. Which of following is used for back-up files? (a) compress (b) Tar (c) make (d) all the above Ans : b 118)csma/cd is used in Ans)ethernet 119)what is used for knowing its own ip address Ans)rarp 120)no signalling is needded to establish connection in Ans ) ip 121)in a tree a parent is greater than all its children in folling Ans)heap 122)csma/ca is used in Ans)Appletalk 123.what is the command to intiate the windows Ans:WinMain 124. Checksum in IP packet is Ans : Sum of the bits and 9's complement of sum 125.Main memory cache direct mapping Ans : 64 126.Address lines and data lines for 4K x 16 Ans : Addr 12, Data 16 127. Infix to postsize commession uses Ans : operator stack 128.The feature C++ have and c donot have Ans : Variables can be declared inside also. 129.Number of nodes with degree two in a binary tree of n leaves Ans : n-1 130.Which of the following is true about fork() Ans:causes the creation of a new process ,the CHILD proces with a new process ID 131.Interprocess communication in UNIX can be achieved using a)pipe b)Message c)Semaphores d)Shared Memory e)All of the above Ans:e 132) Which of the following is true a)UNIX is a time sharing multi-user OS b)UNIX has a device independent file system c)UNIX is full duplex d)UNIX has command interpreter e)All of the above Ans:e) 133.Windows 95 supports a) Multiuser b) n tasks c) Both Ans : c 134.EDI useful in Ans : Electronic Transmission 135. MRPII different from MRP Ans : Modular version of man redundant initials 136. Hard disk time for R/W head to move to correct And : a) Lactency 137.Super Key is Ans:Primary key+Attribute 138.The command echo * Ans:echoes all files in the current directory