Exam 4: Business Hardware

The CPU and primary memory are usually plugged into a circuit board in the computer case called 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.

As an independent memory device,flash memory takes two main forms: as a memory card ,and as a(n) _________.

Current microcomputers have words of_________ and 64 bits.

In the context of speed,the_________ of magnetic hard disks is still significantly better than that of CDs and their faster relatives,DVDs.

Building several technologies into a single piece of hardware is called_________ .

The_________ is the most important part of any computer.

_________keyboards are split in the middle,and the two parts are twisted outward to better fit the natural position of the forearms.

Processing more than one program,or processing several parts of a program,at the same time is often called _________,whereby each process is a thread.

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

In direct access,records are organized sequentially.

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

Servers are more powerful than mainframes.

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

All other things being equal,the greater the clock rate,the faster the machine,because it can fetch,decode,execute,and store more instructions per second.

_________are used as a shared resource,connecting hundreds of users to a variety of computers from desktops,laptops,and other servers.

Storage and retrieval on sequential storage devices are slow but the devices are inexpensive,which makes tapes suitable for backup purposes.

The combination of_________ and clock rate determines throughput.

_________can be rewritten and hold its content without electric power.

Magnetic disks are more reliable and durable than optical discs.