If the system is continuously switched on then the clock ll get updated, but how the computer clock is showing the right time even after shutting down. Big doubt. Advance thanks for ur views
2007-01-20 04:51:50 · 9 answers · asked by Sudha P 2 in Computers & Internet ➔ Programming & Design
There is a quartz crystal, a battery, and a register in a chip which holds a long number that gets updated by the vibration of the clock crystal. The number is broken down by software to produce year, month, day, hour, minute, second, and fractions of a second.
It is normally handled by interrupt services ref.1 search for 1Ah
ref. 2 discusses hardware.
ref 3 gives the exact byte layout
2007-01-20 05:34:18 · answer #1 · answered by Mike1942f 7 · 1⤊ 0⤋
Your motherboard inside the computer has an internal battery and it keeps the clocks time. That is why its always correct, pluse it has a way of correcting itself on the net as well. Take care Heather
2007-01-28 11:34:23 · answer #2 · answered by Anonymous · 0⤊ 0⤋
It is for the CMOS battery pleased on Motherboard but when it is discharged the system gives wrong time and a error " CMOS setting fails, F1 to continue",
By CMOS Battery not only time but your System Password, IDE Settings and boot settings are saved.
2007-01-20 13:07:22 · answer #3 · answered by Anvay Mathur 2 · 0⤊ 1⤋
XP can be configured to synchronize with an internet time server.
There is a battery on your motherboard that allows the computer to keep track of time. Inevitably, that battery fails, but this is often after the equipment has been replaced.
2007-01-20 12:56:23 · answer #4 · answered by Anonymous · 0⤊ 1⤋
In every computer, there is a small cell fitted in the motherboard. It gets charged when the computer is on. When the computer turns off, it still manages to show the right time
2007-01-20 13:18:28 · answer #5 · answered by Saurabh Jain 1 · 0⤊ 1⤋
there a small battery thats connected to the motherboard inside your computer. Might need changing if you're losing time.
2007-01-20 12:55:55 · answer #6 · answered by brilcream 3 · 1⤊ 1⤋
it's done by the CMOS battery which holds the settings of your BIOS
2007-01-20 12:55:10 · answer #7 · answered by Anonymous · 3⤊ 0⤋
CMOS batteryreplace that it is on the motherboard
2007-01-20 12:58:34 · answer #8 · answered by me and you 6 · 0⤊ 1⤋
there is a small battery in the system
2007-01-20 12:58:13 · answer #9 · answered by SHOBHIT J 3 · 0⤊ 1⤋