C Interview Questions
Questions Answers Views Company eMail

Diff: between this 2 classes in terms of memory class A { int i; char c; double d; }; class A { double d; int i; char c; }; How it is calculating?

HCL,

1 3476

A float occupies 4 bytes in memory. How many bits are used to store exponent part? since we can have up to 38 number for exponent so 2 ki power 6 6, 6 bits will be used. If 6 bits are used why do not we have up to 64 numbers in exponent?

1056

write a c program that prints all multiples of 3between 1 and 50.

4 19860




c program to print a name without using semicolon

TCS, Wipro,

9 7378

program that accepts amount in figures and print that in words

Infosys, Wipro, Lovely Professional University,

2 3804

Write a program using two-dimensional array that lists the odd numbers and even numbers separately in a 12 input values.

1 12462

write a programme to convert temperature from farenheit to celcius?

IBM,

4 6002

please explain every phase in the "SDLC" in the dotnet.

1467




If i have an array 0 to 99 i.e,(Size 100) I place the values 1 to 100 randomly like a[0]=29,a[1]=56 upto array[99].. the values are only between 1 to 100. getting the array values by using scanf.. If i entered one wrong element value line a[56]=108. how can i find it.. and also how to find the missing value in 1 to 100.. and i want to replace the missing values.. any one of them know please post your answer..

IBM, Wipro,

877

diff between exptected result and requirement?

HCL,

887

Between macros and functions,which is better to use and why?

869

I need help with the following lab. Can anyone explain it to me on how to approach this problem. Coding would be great too !!! No busy waiting allowed. Remember that Java monitors are 'signal and continue'. The input data is called the database (DB). In this problem, it consists of a single variable initialized in the main thread, to contain the current time of day in HH:MM:SS:mmm format (mmm is milliseconds) truncated to 3 digits. Threads follow these rules: 1. Readers may all attempt to read at the same time, but NOT if a writer is writing (i.e.; the writer is in the monitor. 2. Writing is exclusive (only 1 writer at a time, no readers while writing). 3. Options: (to be specified by instructor) a. Readers have absolute priority over writers. b. Writers have absolute priority over readers c. When a reader arrives and a writer is waiting, the reader is suspended behind the writer instead of being admitted immediately. Thus, a writer waits for readers that were running when it arrived, but does not to wait for new readers. You may program this in C++ or Java. There are 4 controlling input values: 1. r – number of readers 2. w – number of writers 3. R – delay for a reader to restart 4. W – delay for a writer to restart Create the following program consisting of 1 main process (your main program) with n threads: 1. The main thread: a. Creates the 'n' threads needed. Of these, r of them are readers and w of them are writers. Starts all readers and writers. b. Waits for all 'n' threads to complete. You may use any method to detect when they are all complete. c. Prints out the resulting outputs from the threads. 2. Threads: a. When a thread starts to run, it immediately tries to enter the monitor. b. A reader thread reads the DB, outputs the exact message below, then exits: >>> DB value read =: HH:MM:SS:mmm by reader number: rr where the underlined text is replaced with actual data. c. A writer thread updates the DB with a new value (from the system time), outputs the exact message below, then exits: *** DB value set to: HH:MM:SS:mmm by writer number: ww where the underlined text is replaced with actual data. d. Each thread accesses the data a total of 10 times, exiting, then re-entering the monitor after each access. Hints: 1. File access *might* not be thread-safe, so you should be prepared to handle this. Read the documentation for the language you are using. 2. Suggested values for delays are: a. If looping, R >=1,000,000 and W>=100,000 b. If using “sleep”, then R=100 ms, W=50 ms. Additional: • Thread output is to ONE file used by ALL threads (so you need to synchronize access to it). • Readers must provide sufficient delay that results are useful (delay by R before re-trying). R is another input value. • Writers must also delay. Delay by W, updating the DB each time. W is an input. • Test your program with AT LEAST TWO different sets of values for r and w (#s of readers and writers) plus this set: r = 4, w=2. Basic operation of a thread: attempt to enter the monitor. If unsuccessful, you get put on a queue. When you get in, read or write the data (depending on type of thread), exit the monitor, wait the required delay amount, then try again. Repeat 10 times.

792

disply the following menu 1.Disply 2.Copy 3.Append; as per the menu do the file operations 4.Exit

875

print 1-50 with two loop & two print Statement

2 2787

what is the difference between %d and %*d in c languaga?

TCS,

6 9531


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Un-Answered Questions { C }

write a program in C that prompts the user for today's date,tomorrow's date and display the results.Use structures for today's date,tomorrow's date and an array to hold the days for each month of the year.

4137


can anyone please tell about the nested interrupts?

930


program to convert a integer to string in c language'

1199


Iam a B.Tech graduate and completed my engineering in 2009, from 2005 to 2009 and after that i had done nothing.Now i want to do job and get into BPO field . Friends give me suggestions as what to say in interview... if they ask me that what would you had done ... these many years without doing job ??????? pls urgent

725


what are the program that using a two dimensional array that list the odd numbers and even numbers separately in a given 10 inputs values

520






why return type of main is not necessary in linux

1022


what is the difference between north western polytechnique university and your applied colleges?? please give ur answers for this. :)

1206


while initialization of array why we use a[][2] why not a[2][]...?

1198


hw can we delete an internal node of binary search tree the internal node has child node..plz write progarm

933


application attempts to perform an operation?

771


Write a C program on Centralized OLTP, Decentralized OLTP using locking mechanism, Semaphore using locking mechanism, Shared memory, message queues, channel of communication, sockets and a simple program on Saving bank application program using OLTP in IPC?

1442


Explain with the aid of an example why arrays of structures don’t provide an efficient representation when it comes to adding and deleting records internal to the array.

1783


Draw a flowchart to produce a printed list of all the students over the age of 20 in a class .The input records contains the name and age of students. Assume a sentinel value of 99 for the age field of the trailer record

3817


PLS U SENS ME INTERVIEW O. MY EMAIL ADD, SOFIYA.SINGH@GMAIL.COM

995


how to capitalise first letter of each word in a given string?

776