Deck 2: A Closer Look at Hardware and Software

Question 1

A higher CPU clock speed means that more instructions can be processed per second than the same CPU with a lower CPU clock speed.

Answer 1

True

Question 2

RAM connects all components of the computer system and is the PC's main circuit board, as shown in the accompanying figure.

Answer 2

False

Question 3

Touch screens are used in consumer kiosk and other point-of-sale (POS)systems, and they are useful for on-the-job applications where it might be impractical to use a keyboard or mouse.

Answer 3

True

Question 4

A bit is the smallest unit of data a digital computer can recognize and is always represented by a 1.

Question 5

Virtually all computers today-such as embedded computers, mobile devices, microcomputers, midrange servers, mainframes, and supercomputers-are digital computers.

Question 6

For security purposes, both internal and external hard drives today are increasingly coming with built-in encryption that automatically encrypts all data stored on the hard drive and protects access to the hard drive with a secure password.

Question 7

The graphics processing unit (GPU)is always a stand-alone chip that is separate from the CPU package.

Question 8

Display devices today are typically color displays, which form colors by mixing combinations of four colors-red, green, blue, and white.

Question 9

Most mice today are mechanical mice and have a ball exposed on the bottom surface of the mouse to control the pointer movement.

Question 10

Flash memory storage systems represent data using electrons.

Question 11

Registers are used by a CPU to temporarily store data and intermediary results during processing.

Question 12

Hybrid hard drives include both flash memory and a magnetic hard drive.

Question 13

Storage systems are RAM, which is volatile and holds data only temporarily.

Question 14

A digital camera is usually designated either as a still camera or a video camera.

Question 15

Digital camcorders are similar to conventional analog camcorders, but they store images on digital media.

Question 16

Unicode is limited to only the Latin alphabet used with the English language.

Question 17

Laser printers print one entire page at a time.

Question 18

The kind of input device shown in the accompanying figure is popular but is seldom used by individuals to input photographs and other personal documents into a computer.

Question 19

Data in RAM is kept when the program using that data is closed.

Question 20

Most CPUs today are single-core.

Question 21

Standard-sized CD discs usually hold 4.7 GB (single-layer discs)or 8.5 GB (dual-layer discs). _________________________

Question 22

Optical drives are hard drives that use flash memory instead of spinning hard disk platters and magnetic technology. _________________________

Question 23

A(n)smart card is a credit card-sized piece of plastic that contains computer circuitry and components-typically a processor, memory, and storage. _________________________

Question 24

To reopen a document at a later time, you use the file command. _________________________

Question 25

Anything (such as a program, letter, digital photograph, or song)stored on a storage medium is called a(n)file . _________________________

Question 26

You can delete an item by selecting it and pressing the F10 key on the keyboard. _________________________

Question 27

POS software is software that is developed and sold for a profit. _________________________

Question 28

____ is a universal international coding standard designed to represent text-based data written in any ancient or modern language, including those with different alphabets, such as Chinese, Greek, Hebrew, Amharic, Tibetan, and Russian.

A)Unicode
B)Dualcode
C)International code
D)Language code

Question 29

A kilobyte (KB)is equal to ____ bytes, but is usually thought of as approximately 1,000 bytes.

A)1,012
B)1,024
C)1,036
D)1,048

Question 30

Some PCs and devices use special electronic pens (also called digital pens and tablet pens)that don't scratch the screen and that contain buttons or switches; others accept input via a small metal or plastic ____.

A)pin
B)pointer
C)stick
D)stylus

Question 31

Optical discs are thin circular discs made out of a very strong plastic . _________________________

Question 32

A(n)server adapter, also called a network interface card (NIC)when it is in the form of an expansion card, is used to connect a computer to a network. _________________________

Question 33

To keep files organized, related documents are often stored in stations located on the storage medium. _________________________

Question 34

A(n)DVD contains one or more flash memory chips, a controller chip, other electrical components, and metal contacts to connect it to the device or reader with which it is being used. _________________________

Question 35

Some keys on a keyboard, like the Caps Lock and Number Lock keys, are ____ keys, which are pressed once to turn the feature on and again to turn the feature off.

A)switch
B)toggle
C)flip
D)update

Question 36

Modem is the term used for a device that connects a computer to a network over telephone lines. _________________________

Question 37

The menu bar appears at the top of many windows and contains text-based lists (menus), which provide access to commands that can be selected to perform actions in that program. _________________________

Question 38

Most digital computers are binary computers, which can understand only two states, usually thought of as ____ and represented by the digits 0 and 1.

A)off and on
B)hot and cold
C)up and down
D)right or left

Question 39

Formatting changes the actual content of a document. _________________________

Question 40

Unlike magnetic hard drive and optical storage systems, solid state drives have no moving parts. _________________________

Question 41

A barcode is a(n)____ code that represents data with bars of varying widths or heights.

A)read/write
B)optical
C)magnetic
D)laser

Question 42

A Core i7 processor running at ________ would be faster than a Core i7 running at 2.4 GHz.

A)2.3 GHz
B)2.3 MHz
C)3.0 GHz
D)3.0 MHz

Question 43

The screen of a display device is divided into a fine grid of small areas or ____ called pixels (from the phrase "picture element").

A)triangles
B)rectangles
C)dots
D)pips

Question 44

____ printers, like old ribbon typewriters, have a print mechanism that actually strikes the paper to transfer ink to the paper.

A)Impact
B)Push
C)Tap
D)Click

Question 45

____ use cathode-ray tube technology to display images; as a result they are large, bulky, and heavy like conventional televisions.

A)LCDs
B)Flat screens
C)Mainframes
D)CRTs

Question 46

Data stored on optical discs (such as ____)is read using laser beams.

A)CDs
B)DVDs
C)Blu-ray Discs
D)all of the above

Question 47

____ consists of nonvolatile chips that permanently store data or programs.

A)ROM
B)RAM
C)RMA
D)CPU

Question 48

____ hard drives are permanently located inside the system unit and are not designed to be removed, unless there is a problem with them.

A)Static
B)Internal
C)External
D)Network

Question 49

RFID-tagged items can be read by an RFID reader when they are within a range from two inches up to ____, depending on the type of tags and the radio frequency being used.

A)100 feet or more
B)200 feet or more
C)300 feet or more
D)400 feet or more

Question 50

Cache memory is used to speed up processing by storing the data and instructions that may be needed next by the CPU ____.

A)on the desktop
B)in handy locations
C)in the system memory
D)on a CD

Question 51

____ input data from special forms to score or tally exams, questionnaires, ballots, and so forth.

A)OMRs
B)OCRs
C)MICRs
D)BCRs

Question 52

The primary appeal of digital ____ cameras like the one in the accompanying figure is that the images are immediately available for viewing or printing, instead of having to have the film developed first.

A)still
B)color
C)embedded
D)media

Question 53

Common print resolutions for laser printers are between 600 and ____ dpi.

A)1,000
B)1,600
C)2,000
D)2,400

Question 54

When the term ____ is used alone, it refers to chip-based storage used by the computer-usually the amount of the computer's main memory (called RAM), which is located inside the system unit (shown in the accompanying figure).

A)system
B)memory
C)disc drive
D)processor

Question 55

As shown in the accompanying figure, the main circuit board inside the system unit is called the ____ or system board.

A)sisterboard
B)brotherboard
C)motherboard
D)fatherboard

Question 56

The ____ hard drive includes both flash memory and a magnetic hard drive.

A)hybrid
B)embedded
C)multitasking
D)Janus

Question 57

____ are an especially attractive option for portable computers and mobile devices because they consume less power, make no noise, and boot faster.

A)Memory-state drives
B)Solid-state drives
C)Static-state drives
D)Dynamic-state drives

Question 58

The surface of a hard disk is organized into circular rings, called ____, and pie-shaped groups of sectors.

A)indents
B)tracks
C)grooves
D)pits

Question 59

Which of the following is NOT one of the three types of storage devices?

A)local
B)remote
C)external
D)internal

Question 60

One measurement of the processing speed of a CPU is CPU clock speed, which is rated in ____.

A)megahertz (MHz)
B)gigahertz (GHz)
C)terahertz
D)either a or b

Question 61

Case-Based Critical Thinking Questions Case 2-1 Chloe is putting together a presentation in which she explains how printers work. In an ink-jet printer, as Chloe discovers, a heating element makes the ink boil, which causes a steam bubble to form ____.

A)and push the ink through the firing chamber
B)and power the cartridge across the page
C)and eject the ink into the firing chamber
D)either a or b

Question 62

A transition between a pit and a ____ in the accompanying figure is interepreted as a 1.

A)track
B)sector
C)land
D)cluster

Question 63

A display device that is touched with the finger to issue commands or otherwise generate input to the connected device is a(n)____________________.

Question 64

As shown in the accompanying figure, the CPU, also called the ____ when talking about personal computers, does the vast majority of the processing for a computer.

A)macroprocessor
B)microprocessor
C)RAM
D)Memory System

Question 65

A common pointing device that the user slides along a flat surface to move a pointer around the screen and clicks its buttons to make selections is called a(n)____________________.

Question 66

Case-Based Critical Thinking Questions Case 2-1 Chloe is putting together a presentation in which she explains how printers work. Chloe learns in her research that maps, blueprints, advertising banners, and other large documents can be printed on ____ ink-jet printers.

A)wide-format
B)mobile
C)3D
D)barcode

Question 67

With molded or stamped optical discs, tiny depressions (when viewed from the top side of the disc)or bumps (when viewed from the bottom)are created on the disc's surface. These bumps are called ____.

A)indents
B)tracks
C)pits
D)grooves

Question 68

Smart cards today store a relatively small amount of data (typically ____)that can be used for payment or identification purposes.

A)32 KB or less
B)64 KB or less
C)128 KB or less
D)256 KB or less

Question 69

Dual-layer recordable DVDs are referred to as ____.

A)BD-ROMs
B)BD-R DLs
C)CD-R DLs
D)DVD-R DLs

Question 70

A(n)____________________ is approximately 1 trillion bytes.

Question 71

____ storage is increasingly being used for backup purposes.

A)Local
B)Smart
C)Procedural
D)Cloud

Question 72

The data on a read-only disc cannot be ____ because the pits that are molded into the surface of the disc when the disc is produced are permanent.

A)erased
B)changed
C)added to
D)all of the above

Question 73

Case-Based Critical Thinking Questions Case 2-1 Chloe is putting together a presentation in which she explains how printers work. Chloe learns that both laser and ink-jet printers can print on ____.

A)sheets of labels
B)envelopes
C)photo paper
D)any of the above

Question 74

Case-Based Critical Thinking Questions Case 2-1 Chloe is putting together a presentation in which she explains how printers work. Ink-jet printers form images by spraying tiny drops of liquid ink onto the page, ____ at a time.

A)one printed line
B)two printed lines
C)three printed lines
D)four printed lines

Question 75

Case-Based Critical Thinking Questions Case 2-1 Chloe is putting together a presentation in which she explains how printers work. Which of the following is a true statement Chloe can make about ink-jet printers?

A)They are typically more expensive than laser printers.
B)Laser printers, not ink-jet printers, are usually the printer of choice for home use.
C)The cost of replaceable ink cartridges can add up, especially if you do a lot of color printing.
D)The print head for ink-jet printers typically travels up and down the length of the page.

Question 76

A(n)____________________ is a device used to enter characters at the location on the screen marked by the insertion point or cursor.

Question 77

The numbering system that represents all numbers using just two symbols (0 and 1)is called the ____________________ numbering system.

Question 78

USB flash drives (sometimes called USB flash memory drives, ____ drives, or jump drives)consist of flash memory media integrated into a self-contained unit that connects to a computer or other device via a standard USB port and is powered via the USB port.

A)half
B)thumb
C)finger
D)hand

Question 79

In the accompanying figure, the areas of the disc (on the left)shown in red-orange represent ____.

A)tracks
B)sectors
C)clusters
D)legacy areas

Question 80

In the accompanying figure, a single ____ spirals from the center of the disc outward.

A)track
B)sector
C)cluster
D)legacy area