B. Loosening the drain plug with a screwdriver
Answer:
timer interrupt
Explanation:
A timer is an interrupt that is generated by the PC's system timer.When this interrupt occurs, the ROM BIOS interrupt handler is called and it increments a count in the ROM BIOS.It interrupts the system 18.2 times per second.It is used for multitasking.Hence we conclude that timer interrupt is the answer.
Answer:
To select nonsequential cells, click the first cell, hold down the Ctrl key, and click each additional cell (or row or column) you want to select. To selectthe entire worksheet, click the small box located to the left of column A and above row 1. Optionally, you can selectall cells in a worksheet by pressing COMMAND+A......
To select all cells on a worksheet, use one of the following methods:
Click the Select All button.Press COMMAND+A. Note If the worksheet contains data, and the active cell is above or to the right of the data, pressing COMMAND+A selects the current region. Pressing COMMAND+A a second time selects the entire worksheet.
Answer:
A well design input screen should:1.Be titled2.Navigation aids should be used
Explanation: