67 terms

Chapter 4 computer

An operating system manages a computer's resources such as the processor, RAM, and storage spac
Multithreading provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneousl
false. this is multitasking
GUI stands for "graphic usability icons."
false. Graphic usability icons
A bootstrap program is a popular type of application software.
false It is the sequence of events that occurs beteen the time you turn on the commuter until the time it is ready for you to issue a command
During a computing session, the operating system is executed from RAM.
The Windows kernel is the same as the Mac OS kernel
false the kernel is the main component of most computer operating systems; it is a bridge between applications and the actual data processing done at the hardware level. The kernel's responsibilities include managing the system's resources
Macs featured a graphical user interface before PC
Boot Camp is a dual boot utility for Macs
Mac files have a data fork and a resource fork
Fedora, Ubuntu, and SUSE are Linux distribution
A disk partition is basically a folder
false Is a section of the Hard Disk that is treated as a separate storaeg unit
A file specification is also called a path.
Windows Explorer is a file management utility.
Disks are formatted into tracks and sectors
Time Machine is synchronization software used for backup on Macs.
To repopulate a new hard disk from an incremental backup, you have to first restore a full backup.
A boot disk contains a complete copy of your computer's hard disk as it existed when the computer was ne
false It is the removable storage medium containing the operating systems files needed to boot your computer without accessing the hard disk
A computer handles many tasks simultaneously. Which one of the following refers to the processor's ability to handle multiple tasks, rather than the operating system's ability to do so?
The _____interacts with application software, device drivers, and hardware to manage a computer's resource
operating system
Within a single program, _____ allows multiple parts, or threads, to run simultaneousl
True/False: An operating system's multiprocessing capability supports a division of labor among all the processing unit
A (n) _____ is the combination of hardware and software that helps people and computers communicate.
user interface
A (n) _____ user interface requires users to type command
command line
True/False: All of the popular operating systems use graphical user interfaces.
True/False: Most of a computer's memory is volatile RAM.
How do you know when the operating system is loaded?
when the computer is ready to accept your commands)
Today's popular operating systems include Windows, Mac OS, Linux, Android, and Google Chrome. Each has strengths and weaknesses that are important to understand. Which of the following statements is correct?
. Linux and Mac OS have a reputation for being more stable than Windows
Microsoft Windows is installed on more than _____% of the world's personal compute
True/False: The number and variety of programs that run on Windows are unmatched by any other operating system.
True/False: Windows has been criticized for two major weaknesses: reliability and security.
_____ refers to the ability to work with products designed for prior-generation hardware or software.
Backward compatibality
True/False: Mac OS X has a reputation for being a difficult-to-use operating syste
True/False: The resource fork is a companion file that stores information about the data in the data for
DOS stands for
disk operating system
True/False: DOS is still a relevant, frequently used operating system.
Suppose a friend sends you a file called Twain.dll. From the file name, what can you deduce?
That it is a support program file, perhaps part of the device driver for your scanner
A (n) _____ is an optional file identifier that is separated from the main file name by a period.
file extension
True/False: Each operating system has a unique set of file-naming convention
True/False: Reserved words cannot be used as file names.
A (n) _____ is a section of a hard disk drive that is treated as a separate storage unit.
disk partition
True/False: The main directory is called the base directory.
_____ is usually measured in bytes, kilobytes, or megabytes.
file size
True/False: A filename extension is an optional file identifier that is separated from the main filename by a comma, as in Help,co
True/False: You cannot convert a file from one format to another.
042400 Before donating your computer to a charitable organization, you can make sure your personal data cannot be accessed from the hard disk by:
Deleting all the files and folders on your computer's hard disk.
A (n) _____ is a piece of information that describes a file.
file tag
True/False: You can name a file and specify its storage location in the Save As dialog box.
_____ utilities give you the big picture of the files you have stored on disks.
file management
True/False: You can change the way the Windows file management utility shows files.
File management utilities often use some sort of storage _____ to help users visualize and mentally organize the files on disks and other storage devices.
What are two metaphors typically used for storage on personal computers?
filing cabinet, tree
True/False: You can rename files in Windows Explorer.
True/False: You can copy files in Windows Explorer.
True/False: You cannot delete files in Windows Explorer.
True/False: Files in the Recycle Bin folder can be undeleted.
What is the benefit of defragmenting a disk?
It helps your computer operate more efficiently.)
Copying important data files from your computer's hard disk to an optical disk or flash drive is a simple way to back up data. It is not a total backup solution, however. Why not?
. You have not backed up your programs or your personal settings.
A (n) _____ stores files needed to recover data that's been wiped out by operator error, viruses, or hardware failures.
True/False: Your backup schedule depends on how much data you can afford to lose.
File synchronization is sometimes referred to as_____.
True/False: To copy important files manually, you can use the Copy and Paste command
A(n) _____ system backup includes every file from the computer's primary storage.
True/False: You should only be concerned with backing up data files you create.
A (n) _____ is a removable storage medium containing the operating system files needed to boot your computer without accessing the hard disk.
boot disk
A (n) _____ is a snapshot of your computer settings.
restore point
A (n) _____ is a bit-by-bit copy of the data from all sectors of a disk.
disk image
True/False: Windows users can depend on Time Machine to make easy-to-restore backups on an external hard driv