Similar to smartphone screens, monitors work by lighting up pixels on the screen

The _______ component enables a user to select from a range of integer values.

Fill in the blank(s) with the appropriate word(s).

Answer the following statements true (T) or false (F)

1. The contents of memory on a running system will change for no apparent reason while the system is sitting there doing nothing. 2. A DoD approved disk wiping utility works by instructing the hard disk controller to apply a strong magnetic field to the disk surface, thereby electronically erasing the information from the disk. 3. Once a file has been deleted from the Recycle Bin in Windows 7, it is no longer salvagable under any circumstances. 4. Changing a file's extension in Windows makes the file completely unreadable by the operating system. 5. Even after a file is emptied from the Recycle Bin, there remains an entry for that file in the MFT. 6. A general rule of thumb regarding file headers is that a humanly readable file has a humanly readable header.