Answer:
Central Processing Unit
Explanation:
Principle part of any digital computer system
Answer:
Processor
, Video-card , Memory
Explanation:
If you turn on your desktop computer and the monitor remains blank, the problem might either be as a result of Processor not working, Video card bad and memory not sitting well.
if the problem is associated with processor, do the following:
- Check if the power LED light on the motherboard is on or off.
- If the LED light is off, check for motherboard or power supply issues.
- If the LED light is on, check if the processor fan spins when the system is powered on.
Another major cause could be that the Video card is bad first thing to do is Update the drivers, then reseat the Videocard or probably change it.
Lastly memory module is loose, the computer might not display an image. In other words, your computer starts but the screen is black.
Now, you can try resetting the memory modules to fix the "PC turns on but no display" issue. Remove memory module from the memory slot, and then put it back into the slot to get a better connection so that the computer can recognise the memory.
Answer:
The answer is "freeze panes command".
Explanation:
To see the row heading information into the columns "X, Y, and Z" we use the freeze panes command, which Pick's the cells from rows and on the right side of the columns, where you scroll.
This tool allows you to block columns/row headings so, the first column /or top row will stay on the screen and you also scroll down or over to see the rest of the panel.
The answer is : True. An audit trail is a record of how a transaction was handled from input through processing and output. An audit trail is the evidence, such as purchase orders and invoices, that a financial transaction actually occurred.