Exam 4: Business Hardware

____,also called main memory or primary memory,is located near the CPU and stores data and instructions just before and immediately after the CPU processes them.

Some operating systems,such as Windows,let users map ____________________ keys into a Dvorak layout.

In recent years we have experienced an increasing trend of ____,building several technologies into a single piece of hardware.

____________________ receive signals from outside the computer and transfer them into the computer.

Optical bar recognition senses data encoded in the series of thick and thin black bars in bar codes.

New processor-making technologies let engineers increase the processing speed of computers while enabling computers to use less energy and give off less heat.

Two qualities to check when purchasing a laser or ink-jet printer are speed,measured in ____,and density,measured in dots per inch (DPI).

Unlike optical mark recognition,____ is often used to try to interpret handwritten and printed texts not originally designed for source data entry.

QuickBiz's Andrew Langston used his ____ to calculate all the costs that went into a delivery-such as car and truck purchases and maintenance,fuel costs,and driver salaries.

Hardware,in computer terms,refers to the physical components of the computer.

DAS,NAS,and SAN often include ____________________,whereby data is replicated on different disks to enhance processing speed and fault-tolerance.

The control unit uses special circuitry called a(n)____________________,which synchronizes all tasks.

Identify the four basic operations a computer must handle.

Popular output devices include the keyboard,mouse,trackball,microphone,and various types of scanners.

The ____ keyboard was originally designed to slow down typing,because early mechanical typewriters jammed when users typed too fast.

The most common type of flat-panel monitor is the ____________________.

Storage area network (SAN)identifies large quantities of data,called ____,and therefore can transfer and back up large amounts of data at a time.

So far,PCs have trailed notebooks in terms of speed,memory,and hard disk capacity.

In recent years the most important impetus for acquisition of hard disks has been the construction of ____,large databases that maintain mainly consumer purchase records.

The control unit is the part of the CPU where all arithmetic and logic operations take place.