Unit 5: Operating Systems

Any device added to a computer that performs an additional capability or feature but is not required. A good example of an accessory is the computer printer, which gives the computer the ability to print.

• Accessory
• Kernel
• Vm (Virtual Machine)
• Program
• Linux

has 55.66% Operating System Market Share for Tablets

• Android
• Android
• Mac OS
• Windows 7
• Linix

has 55.66% Operating System Market Share for Tablets

• Android
• Android
• Mac OS X 10.14
• Mac OS
• Windows 8.1

has 70.29% Operating System Market Share for Mobiles

• Android
• Android
• iOS
• Mac OS
• Windows XP

has 70.29% Operating System Market Share for Mobiles

• Android
• Android
• iOS
• Android
• Windows XP

the task that the computer works on when the foreground task is not active

• Background Task
• Linux
• Windows
• Restoring
• Logical Device

the process of copying the data to another medium so that a duplicate is available for use should the original copy be destroyed or become unusable

• Backing Up
• Logical Device
• Windows For Workgroups
• Semaphore
• Multitasking

a range of frequencies within a given band, in particular that used for transmitting a signal.

• bandwidth
• process scheduler
• main memory
• queue
• Batch Processing

is the running of "jobs that can run without end user interaction, or can be scheduled to run as resources permit.

• Batch Processing
• Device Drivers
• Multitasking
• dynamic memory allocation
• time-sharing

start (a computer) and put it into a state of readiness for operation.

• Booting
• Multitasking
• Windows Nt, Windows 95, And Os/2
• Sign In
• Multitasking