Deck 4: Business Hardware

Question 1

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

Answer 1

True

Question 2

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

Answer 2

False

Question 3

____,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.

A) External storage
B) ALU
C) ROM
D) Internal memory

Answer 3

D

Question 4

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

Question 5

Vendors are not offering leasing programs anymore.

Question 6

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

Question 7

Businesses that must handle business transactions and store large amounts of data in a central computer often use mainframes,which some IT professionals fondly call "big iron."

Question 8

In direct access,data is organized one record after another.

Question 9

The ____ is the most important part of any computer.

A) external storage
B) central processing unit
C) main memory
D) ROM

Question 10

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

Question 11

____ are the most powerful computers at any given time,but are built especially for assignments that require arithmetic speed.

A) Mainframe computers
B) Mega-servers
C) Supercomputers
D) Workstations

Question 12

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.

A) financial information system
B) inventory control system
C) data warehouse
D) relational database

Question 13

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

Question 14

Optical tape uses the same technology as optical discs to store and retrieve data.

Question 15

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.

Question 16

Input devices,most commonly computer monitors and printers,deliver information from the computer to a person.

Question 17

It is likely that within a few years we will rarely see CRT monitors in offices or homes.

Question 18

The most widely used storage medium is the optical disc.

Question 19

The Mac OS and Windows Vista operating systems include a voice recognition feature.

Question 20

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

Question 21

The ____ is the maximum number of bits that the control unit can fetch from primary memory in one machine cycle.

A) character
B) byte
C) data word
D) bit

Question 22

The CPU performs four functions in every cycle: ____,decode,execute,and store.

A) bring
B) expose
C) transport
D) fetch

Question 23

The CPU consists of two units: the ____ and the arithmetic logic unit (ALU).

A) control unit
B) storage unit
C) control gate
D) storage device

Question 24

Images on a monitor are made up of small dots called ____.

A) dotties
B) pixels
C) pixtels
D) grains

Question 25

There are two basic types of access modes in data storage: ____ and direct (random)access.

A) selective
B) indirect
C) haphazard
D) sequential

Question 26

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

A) Ergonomic
B) QWERTY
C) Dvorak
D) Comfort

Question 27

The combination of ____ and clock rate determines throughput.

A) bus width
B) RAM width
C) bus height
D) ROM size

Question 28

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

A) data segments
B) word blocks
C) word segments
D) data blocks

Question 29

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

A) characters per second (cps)
B) words per minute (wpm)
C) pages per minute (PPM)
D) Kbytes per second (Kbps)

Question 30

Memory cards of the same storage capacity are significantly different in price due to ____.

A) storage materials
B) transfer rate
C) durability
D) data quality

Question 31

Because ____ reduces the amount of paper in organizations,some of its most enthusiastic adopters are companies in paper-intensive fields such as law,retail,insurance,and banking.

A) processing
B) OMR
C) imaging
D) printing

Question 32

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

A) ODR technology
B) OCR technology
C) OC technology
D) OR technology

Question 33

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

A) Dvorak
B) English
C) Lazlo
D) QWERTY

Question 34

____ are usually used as a shared resource,serving hundreds of users that connect to them from personal computers.

A) Microcomputers
B) Midrange computers
C) Workstations
D) PDAs

Question 35

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.

A) data houses
B) byte warehouses
C) byte houses
D) data warehouses

Question 36

Although ____ systems vary in sophistication,all receive voice input from a microphone or telephone and process it with software.

A) mp3
B) wma
C) chat processing
D) speech recognition

Question 37

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

A) USB port
B) USB drive
C) index drive
D) index port

Question 38

____ are typically used for computer-aided design (CAD),computer-aided manufacturing (CAM),complex simulation,and scientific applications.

A) Midrange computers
B) Workstations
C) Mainframe computers
D) Supercomputers

Question 39

Current microcomputers have words of ____ and 64 bits.

A) 16
B) 24
C) 32
D) 48

Question 40

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

A) technology convergence
B) computer convergence
C) parallel technology
D) technology resurgence

Question 41

In a(n)_________________________ monitor,the inner side of the screen has a layer of tiny phosphoric dots,which make up the pixels.

Question 42

While the great capacity and low cost of CDs are appealing,the ____ of magnetic hard disks is still significantly better than that of CDs and their faster relatives,DVDs.

A) durability
B) transfer rate
C) reliability
D) portability

Question 43

What factors make one computer more powerful than another?

Question 44

Even if storage cost is not as attractive as that of CDs,portability and the fact that their ports are ubiquitous in PCs might push one toward selecting a ____.

A) Zip disk
B) USB flash drive
C) flash disk
D) memory card

Question 45

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

Question 46

____________________ is the collective name for all personal computers (PCs),notebook computers,and handheld computers.

Question 47

Describe ergonomic keyboards.

Question 48

Identify the four basic operations a computer must handle.

Question 49

Supercomputers contain multiple processors that let them perform ____________________ and run at great speeds.

Question 50

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

Question 51

With a(n)____________________,a user controls the cursor by moving his or her finger along a touch-sensitive pad.

Question 52

The fact that there is no need to wait for a disk to rotate in order to locate data-time that is called latency-makes _________________________ up to 250 times faster than magnetic disks.

Question 53

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

Question 54

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

Question 55

The most common computer-related type of ____ is carpal tunnel syndrome.

A) RSI
B) CVS
C) SRI
D) VCS

Question 56

____________________ is the number of bits per second that the bus can accommodate.

Question 57

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.

Question 58

____________________ is a memory chip that can be rewritten and hold its content without electric power.

Question 59

A(n)____________________ consists of one or more rigid platters installed in the same box that holds the CPU and other computer components,or attached externally to the computer,usually through a USB port.

Question 60

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

Question 61

Describe the basic types of access modes.

Question 62

What are impact printers?