Computer Applications – Operating a Microcomputer
1.
What is the difference between cold boot and warm boot?
2.
Suggest ONE reason why a file is set to be
(a) Read only
(b) Hidden
Explain the usage of archive attribute in a file system.
Explain the usage of file extension in a file system.
If two files are with the same filename and extension, can they be arranged in the
same folder? Explain.
If two files are with the same filename and extension, can they be arranged in the
different folder? Explain.
Peter arranged his files with the following structure:
3.
4.
5.
6.
7.
root
F1 F2
F3 ….
F10
where
F1.. F3 : Notes of Chapter 1, 2 and 3 of “Computer Applications”
F4.. F5 : Exercise 1 and 2 of “Computer Applications”
F6.. F8 : Notes of Chapter 1 and 2 of “Use of English”.
F9.. F10: Two projects of “Chinese Culture”
State 2 disadvantages of the above structure and suggest how they can be improved.
Operating a Microcomputer – Solution
1.
2.
3.
4.
5.
6.
7.
To cold boot a system is to boot up the system by power off and then power on the
system again. To warm boot a system is to restart the system by software.
(a) A file is set to “read only” if the file is allowed for read by others but not for
delete or change.
(b) A file is set to “hidden” if the existence of the file is not to be disclosed.
The archive attribute of a file is used to detect whether the file had been changed or
not.
The extension of a file is used to show the type of the file.
No. Files under the same folder are distinguished by their filenames and extensions.
So it is not allowed to have two files with the same filename and extension under
the same folder.
Yes. Two files under different folders will have different path. So they can be
distinguished by their path.
Disadvantage 1: Meaningless filenames.
Suggestion 1: Assign suitable name for each file. E.g. F1 can be assigned as Chap1.
Disadvantage 2: Files are not categorized.
Suggestion 2: Group the files of the same subject in a folder. E.g. Create a folder for
Chinese Culture and Group the files F9 and F10 under the new folder.
Operating a Microcomputer – Quiz
1.
List two information that may attach to a file when we store the file in an OS.
2.
Give one advantage and one disadvantage of using text interface instead of graphical
interface.
3.
What will happen to the content of the old file if it is overwritten by a new file?
4.
Apart from extension, how can an OS show the nature of a file?
5.
How can we prevent a file from changing if it is shared on the LAN?
6.
When a user wants to remove a file, explain why a recycle bin is a better
arrangement than just destroy the file.
7.
A user has physically connected a printer to a computer but the printer cannot
function. Give one software reason.
Operating a Microcomputer – Quiz (Solution)
1.
2.
Creation date, file attribute, owner... (any 2)
Advantage: Fast response
Disadvantage: Difficult to remember commands.
3.
4.
5.
6.
7.
Erased
Use different icons.
Set the file to be read-only
A file in recycle bin can be recovered if it is removed carelessly.
Printer driver has not been installed.