72 Computer Service and Repair
Figure 2-37. The
Program Compatibility
tool detects possible
compatibility problems
associated with legacy
software applications.
and are readily available for download off the
Internet. Periodically, a large collection of patches
are released at once and referred to as a service
pack.
systems and software go through countless hours
of testing, many have errors in programming. This
type of error is referred to as a bug. Patches for
software programs can assist in correcting bugs
Chapter
• Operating systems provide a file system structure and a means of
communicating with the computer hardware.
• All operating systems have a user interface, a file system structure, a file
table, configuration files, and the ability to multitask.
• The most significant differences between Windows 8 and earlier
Windows operating systems are its user interface, user account settings, and
the incorporation of cloud access.
• Carrying out a Windows installation calls for knowledge of an operating
system’s hardware requirements and determining whether an upgrade or
clean install should be performed.
• Windows Vista, Windows 7, and Windows 8 share a common boot sequence:
POST, initial startup phase, Windows Boot Manager phase, Windows Boot
Loader phase, kernel loading phase, and logon phase.
• Common portable devices are cell phones, tablets, and some gaming
hardware; common portable device tasks are Internet access and
collaboration activities.
• Examples of cloud computing shared resources and services are storage,
application software, instant messaging, e-mail, and database support.
Chapter SummarySummary