In Linux, the command _____ is used to display the contents of a directory.
Fill in the blank(s) with the appropriate word(s).
Answer: ls
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Answer the following statements true (T) or false (F)
1. An alternative to using the open member function is to use the file stream object declaration itself to open the file. 2. File output may be formatted the same way as screen output. 3. The read and write member functions of fstream objects can only work with buffers specified by pointers to char. 4. string objects cannot be stored to a binary file without further processing because they contain pointers. 5. Opening a file with the flags ios::in | ios::out will preserve the contents of the file if the file already exists.
An error value is the result of a formula that Excel can evaluate correctly
Indicate whether the statement is true or false
If a Dell power supply fails, any power supply with the same or higher wattage rating and +12V DC rating is a suitable replacement
Indicate whether the statement is true or false
The systems implementation phase of the systems development life cycle (SDLC) includes an assessment, called a _____, to determine whether the system operates properly and if costs and benefits are within expectation.?
A. ?systems estimation B. ?systems verification C. ?systems validation D. ?systems evaluation