The operating system records the information that tracks the end of the file when the program...
The operating system records the information that tracks the end of the file
|
when the program ends. |
||
|
when a file is opened with ios::app. |
||
|
when a file is closed. |
||
|
when a file is opened with ios::eof. |
||
|
None of the above |
Homework Answers
C) when a file is closed. operating system records the information that tracks the end of the file when files are closed.
Add Answer to:
The operating system records the information that tracks the end
of the file
when the program...
QUESTION 6 To determine whether a file was opened successfully, the program can use the fstream...
QUESTION 6 To determine whether a file was opened successfully, the program can use the fstream function: Hint: google fail() open() close() eof() 10 points QUESTION 7 Which of the following are correct ways to end a loop using a test for end-of-file? (Two correct answers) inStream.get(next); while(!inStream.eof( )) { cout << next; inStream.get(next); } while(inStream->next) { cout << next; } inStream.get(next) while(!eof(inStream)) { cout << next; inStream.get(next); } while(inStream >> next) cout << next; 10 points QUESTION...
Operating systems in C 15.) Suppose a program has successfully opened a file object, fp, for...
Operating systems in C
15.) Suppose a program has successfully opened a file object, fp, for reading a file from a disk drive and the program has created a buffer, my-but, of an appropriate size. Consider the following C function call. fread (my_buf, 1, BUFFERSIZE, fp); a) Explain why this function call may, or may not, cause a system call to the operating system. b) Suppose that the above function call causes a system call. Explain why the operating system...
One of the critical responsibilities of the operating system is to manage the file system. When...
One of the critical responsibilities of the operating system is to manage the file system. When discussing the file system, the operating system has several tasks that it can perform. Listed below are 6 tasks that can be performed on files by the operating system. Describe in a sentence or two how the operating system handles each task. CREATE WRITE MOVE REPLACE CLOSE DELETE
Question 5. ArcGIS records projection and coordinate system information into a file with prj extension. Open...
Question 5. ArcGIS records projection and coordinate system information into a file with prj extension. Open MD_cities_SPCS.prj in any text editor (e.g., WordPad, Notepad, etc.). Read the prj file, and explain the following information for the MD_cities_SPCS layer: projection, geodesy, GCS, geodetic datum and unit. Make sure you do not change the file (i.e., do not save the changes if you ever modify the content of this file. You may read ArcGIS Help to answer this question. (2 points) this...
C++ program Write a C++ program to manage a hospital system, the system mainly uses file...
C++ program
Write a C++ program to manage a hospital system, the system mainly uses file handling to perform basic operations like how to add, edit, search, and delete record. Write the following functions: 1. hospital_menu: This function will display the following menu and prompt the user to enter her/his option. The system will keep showing the menu repeatedly until the user selects option 'e' from the menu. Arkansas Children Hospital a. Add new patient record b. Search record c....
File structure is a structure, which is according to a required format that operating system can...
File structure is a structure, which is according to a required format that operating system can understand. A file has a certain defined structure according to its type. A text file is a sequence of characters organized into lines. A source file is a sequence of procedures and functions. An object file is a sequence of bytes organized into blocks that are understandable by the machine. When operating system defines different file structures, it also contains the code to support...
(numbers 1-2) When two closed tubes (closed at one end) of different lengths each resonate at...
(numbers 1-2) When two closed tubes (closed at one end) of different lengths each resonate at their 5th harmonic, a 5 Hz beat frequency is observed. 1. If one tube has length L, at which distance from the open end is a pressure node found? a) L/5 b) 2L/5 c) 3L/5 d) L e) none of the above answers are correct B is the correct answer 2. Both tubes are now opened at both ends. When each tube now resonates...
1. Instead of multitasking, a mobile operating system places apps in different ______ when it changes...
1. Instead of multitasking, a mobile operating system places apps in different ______ when it changes between running apps. A. Life cycles B. States C. Memory locations D. Positions QUESTION 4 In iOS, the proper life cycle method to load data into a view is ______. A. viewDidLoad() B. viewWillAppear() C. application:didFinishLaunchingwithOptions() D. dataWillDisplay() QUESTION 7 When the user rotates the device A. The app layout automatically reorganizes for that orientation. B. The horizontal and vertical real estate remain the...
this is bash scripting. a. When a file is created on Linux Operating System, What are...
this is bash scripting. a. When a file is created on Linux Operating System, What are the default permissions of the file? b. Write a command to find the total disk space used by a specific user on linux system? c. what is "s" permission bit in a file?
c++ program that prints joke and its punchline
nothing happens when I replace the skeleton code. the program runs but it does not give me the desired results. All the question marks must be removed and filled in with the appropriate code.// Function prototypesvoid displayAllLines(ifstream &infile);void displayLastLine(ifstream &infile);int main(){// Arrays for file nameschar fileName1[SIZE];char fileName2[SIZE];// File stream objectsifstream jokeFile;ifstream punchlineFile;// Explain the program to the user.cout << "This program will print a joke "<< "and its punch line.\n\n";// Get the joke file name.cout << "Enter the name of...
Operating systems in C
15.) Suppose a program has successfully opened a file object, fp, for reading a file from a disk drive and the program has created a buffer, my-but, of an appropriate size. Consider the following C function call. fread (my_buf, 1, BUFFERSIZE, fp); a) Explain why this function call may, or may not, cause a system call to the operating system. b) Suppose that the above function call causes a system call. Explain why the operating system...
C++ program
Write a C++ program to manage a hospital system, the system mainly uses file handling to perform basic operations like how to add, edit, search, and delete record. Write the following functions: 1. hospital_menu: This function will display the following menu and prompt the user to enter her/his option. The system will keep showing the menu repeatedly until the user selects option 'e' from the menu. Arkansas Children Hospital a. Add new patient record b. Search record c....
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago