Deck 4: Business Hardware

Question 1

Magnetic disks are more reliable and durable than optical discs.

Answer 1

False

Question 2

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.

Answer 2

True

Question 3

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

A)motherboard
B)monitor
C)control unit
D)multicore processor

Answer 3

motherboard

Question 4

One rough formula to help determine when to replace hardware is the ratio of the average age of hardware pieces to the average age of the operating systems running on the machines.

Question 5

Servers are more powerful than mainframes.

Question 6

_________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 7

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

Question 8

The_________ is the most important part of any computer.

A)external storage
B)central processing unit
C)monitor
D)ROM

Question 9

Voice recognition is the process of translating human speech into computer-readable data and instructions.

Question 10

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

Question 11

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

Question 12

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

Question 13

_________is located near the CPU and stores data and instructions just before and immediately after the CPU processes them.

A)External memory
B)Closed memory
C)Open memory
D)Internal memory

Question 14

In direct access,records are organized sequentially.

Question 15

An advantage of a flat-panel monitor is its lower power consumption.

Question 16

The most widely used storage medium is the optical disc.

Question 17

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

Question 18

Businesses that 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 19

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 20

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

Question 21

A_________ is a socket used to connect a computer to external devices.

A)stylus
B)port
C)trackpad
D)bus

Question 22

The combination of_________ and clock rate determines throughput.

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

Question 23

_________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)AZERTY

Question 24

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

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

Question 25

_________are typically used for computer-aided design (CAD),computer-aided manufacturing (CAM),complex simulation,graphical rendering,and scientific applications.

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

Question 26

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 27

_________is used to try to interpret handwritten and printed texts not originally designed for source data entry.

A)Ergonomics
B)Optical character recognition technology
C)Radio-frequency identification
D)Technology convergence

Question 28

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

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

Question 29

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

A)pixel
B)byte
C)data word
D)binary limit

Question 30

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

A)dots
B)pixels
C)granules
D)grains

Question 31

Current microcomputers have words of_________ and 64 bits.

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

Question 32

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

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

Question 33

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 34

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

A)solid-state storage
B)sequential storage
C)parallel processing
D)speech recognition

Question 35

Since_________ 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)multithreading
C)imaging
D)printing

Question 36

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

A)Microcomputers
B)Servers
C)Workstations
D)Personal digital assistants

Question 37

A_________ is an independent memory device and is also known as a thumb drive.

A)hard drive
B)memory card
C)circuitry card
D)USB drive

Question 38

The four functions performed by the CPU in every cycle are fetch,decode,execute,and_________ .

A)encode
B)run
C)encrypt
D)store

Question 39

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 40

The two units in the CPU are the arithmetic logic unit and the_________ .

A)control unit
B)storage unit
C)source unit
D)mainframe unit

Question 41

_________contain multiple processors that let them perform parallel processing and run at great speeds.

Question 42

Why do people prefer to use ergonomic keyboards for additional comfort while typing?

Question 43

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 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

The electronic lines or traces used for communication inside a computer is called the_________ .

Question 46

Identify the four basic operations a computer must handle.

Question 47

_________is the number of bits per second that the bus can accommodate.

Question 48

_________can be rewritten and hold its content without electric power.

Question 49

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 50

In the context of speed,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 51

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

Question 52

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

Question 53

_________receive signals from outside the computer and transfer them into the computer.

Question 54

The most common computer-related type of repetitive-stress injury is_________ .

A)carpal tunnel syndrome
B)headache
C)upper-body discomfort
D)double vision

Question 55

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

Question 56

_________is the study of the comfort and safety of human beings in their working environment.

Question 57

What factors make one computer more powerful than another?

Question 58

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

Question 59

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

Question 60

A(n)_________ is an alternative to magnetic disks.

Question 61

What are impact printers?

Question 62

Describe the basic types of access modes.