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Are easier to develop than single programming system

Execute each job faster

Execute more jobs in the same time period

Are used only by large mainframe computer

resource management

error recovery

memory management

All the above

Managing hardware on the computer

Controlling the access that application program has to the CPU

Performing housekeeping task like file compression and disk defragmentation

Provides an interface for user to interact with computer

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Home

Home edition

Media center edition

Tablet PC edition

None of the above

The scan disk utility begins to run

The video card and video memory are tested

The BIOS identification process occurs

Memory chip are checked to ensure that they are working properly

Windows 98

Windows NT

Windows XP

MS DOS

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All of above

is a hardware memory device which denotes the location of the current instruction being executed.

is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.

contains the address of the memory location that is to be read from or stored into.

contains a copy of the designated memory location specified by the MAR after a “read” or the new contents of the memory prior to a “write”.