CIS-120A F07 Chapters 1-4

Most large storage systems are based on magnetic hard disks, although some systems can use a combination of magnetic and solid-state drives.

True

Notebook and netbook computers usually have a keyboard that is similar to a desktop keyboard, but it is typically smaller.

True

Notebook computers (also called laptops) are about the size of a paper notebook and open to reveal a screen and keyboard .

True

One reason advanced users may partition a primary hard drive is to be able to use two different operating systems on the same hard drive.

True

Optical zoom specifications reflect how much the camera can zoom without losing image quality.

True

PHOLED technology is especially appropriate for use on mobile devices, consumer electronics, and other devices where power consumption is an important concern.

True

Processors consist of a variety of circuitry and components that are packaged together and connected directly to the motherboard.

True

SSDs are not subject to mechanical failures like magnetic hard drives, and are more resistant to shock and vibration.

True

Small office networks enable workers to access company records stored on a network server.

True

Some new personal computers come with two partitions: a C drive partition ready to use for programs and data and a D drive partition set up as a recovery partition.

True

Virtually all computer users will need at least one convenient USB port to be used to connect external hard drives, USB flashdrives, printers, mice, and other USB-based hardware

True

The _____ allows a core to communicate with other CPU components, such as the memory controller and other cores.

Bus interface unit

A(n) display screen is a programmable, electronic device that accepts data, performs operations on that data, presents the results, and stores the data or results as needed .

False

The backside bus (BSB) has been one of the most common types of expansion buses in past years

False

The number of digital photos that can be stored in a camera at one time depends only on the capacity of the card being used .

False

The process of representing data in a form that can be understood by a digital computer is called decimal byte representation.

False

Today's CPUs contain hundreds of millions of transistors, and the number doubles approximately every 18 months, a phenomenon known as Moliere's Law

False

IP addresses and their corresponding domain names are used to identify computers available through the Internet .

True

Internal hard drives are not designed to be removed, unless they need to be repaired or replaced.

True

Storage media are volatile.

False

Each place value in a binary number represents ____ raised to the appropriate power.

2

The _____ is the section of a CPU core that performs arithmetic involving integers and logical operation.

ALU

____ that allows individuals to perform specific tasks are launched via the operating system, such as by using the Windows Start menu on Windows computers.

Apps

Like graphics data, ____—such as a song or the sound of someone speaking—must be in digital form in order to be stored on a storage medium or processed by a computer.

Audio data

Access control at many businesses and organizations is provided by _______, which allow only authorized individuals to enter an office building, punch in or out of work, or access the company network via an access card or a fingerprint or hand scan.

Authentication systems

The bus width and bus speed together determine the bus's ________.

Bandwidth

Some drive letters, such as the letter ____ that is typically used with the primary hard drive, are usually consistent from computer to computer and do not change even if more storage devices are added to the computer.

C

The ____ used to be the norm for desktop computers .

CRT monitor

Touch screens allow the user to touch the screen with his or her finger to select ____ or otherwise provide input to the device associated with the touch screen.

Commands

In addition to the four primary computer operations, today's computers typically also perform ____ functions.

Communications

Jamie is interested in pursuing some aspect of computer technology as a career. He is very comfortable working with PCs and has a broad knowledge of the typical systems and applications software that people use. He has always enjoyed working closely with people and has a good facility for explaining how technical systems work. From the description provided, what type of computer-related job would Jamie probably enjoy the most?

Computer operations personnel

A(n) _____ is used to display output from a computer to a wall or projection screen .

Data projector

The ____ takes instructions from the prefetch unit and translates them into a form that the control unit can understand .

Decode unit

Conventional personal computers that are designed to fit on or next to a desk are often referred to as ________ .

Desktop computers

To speed up magnetic hard drive performance, _____________ is often used.

Disk caching

Data files are also often called ______.

Documents

____ are illustrations of faces showing smiles, frowns, and other expressions that are created with keyboard symbols .

Emoticons

An external flash memory card reader that connects via an RJ14 port can be used when the destination device doesn't have a built-in reader.

False

Cache memory today is usually external cache.

False

Communications hardware includes modems, network projectors, and routers .

False

Computer programmers are the people who use computers to perform tasks or obtain information .

False

Each machine language instruction in a CPU's instruction set is broken down into several smaller, machine-level instructions called supercode.

False

Embedded computers are computers that host data and programs available to a small group of users.

False

In addition to hardware, software, data, and procedures, the fifth major component of a computer system are codes.

False

Joysticks are headphones with a built in microphone

False

Mobile Tablets are extremely powerful computers used for complex computations and processing.

False

Most printers today are impact printers

False

One-dimension (ID) barcodes contain data only vertically .

False

RFID tags need to be within line of sight of a reader.

False

With a DVD, the storage medium and the storage device are permanently sealed together to form one piece of hardware called a fixed-media storage system.

False

Anything (such as a program, letter, digital photograph, or song) stored on a storage medium is referred to as a(n) ____.

File

____ are designed to scan flat object on page at a time .

Flatbed scanners

To keep files organized, related documents are often stored in _____ (also called directories) located on the storage medium.

Folder

Video data—such as home movies, feature films, and television shows—is displayed using a collection of ____.

Frames

A(n) ______ is a flat, touch-sensitive device used in conjunction with a digital pen .

Graphics tablet

_______ are small components typically made out of aluminum with fins that help to dissipate heat.

Heat sinks

Jamie is interested in pursuing computers as a career. He is very comfortable working with PCs and has a broad knowledge of the typical systems and applications software that people use. He has always enjoyed working closely with people and has a good facility for explaining how technical systems work. Jamie's mother is a computer programmer and would like Jamie to follow in her footsteps. What course would she most likely suggest that Jamie take in college?

Java

Regardless of how storage devices are connected to a computer, ____ and/or names are typically assigned to each storage device.

Letters of the alphabet

One type of storage device that is sometimes used with computers and that uses sequential access is a ____.

Magnetic tape drive

One factor affecting digital camera quality is the number of pixels, measured in ____, used to store the data for each image.

Megapixels

The term ___ refers to chip-based storage.

Memory

In the early 1980s, _____ were invented and computer use increased dramatically .

Microcomputers

A ______ is loosely defined as a small device that has a built-in computing or Internet capability .

Mobile device

A variety of _____ and network adapters are available to communicate electronically because there are different types of Internet and network connections .

Modems

The display device for a desktop computer is formally called a ______ .

Monitor

You must have the necessary hardware to support to use multiple monitors, such as the appropriate ____.

Monitor port

Display devices can be ____ displays, in which each pixel can only be one of two colors, such as black or white.

Monochrome

____ devices are high-performance storage systems that are connected individually to a network to provide storage for the computers connected to that network.

Network attached storage (NAS)

One nanometer (nm) is ____ of a meter.

One-billionth

A ____ is the smallest colorable area on a display device .

Pixel

With bitmapped images, the color of each ____ is represented by bits; the more bits used, the better the image quality.

Pixel

_______ are particularly useful for individuals who need to scan barcodes while on the go

Portable barcode reader

The ____ tries to predict what data and instructions will be needed and retrieves them ahead of time in order to help avoid delays in processing.

Prefetch unit

The most common HD format is 1080p, which uses a screen resolution of 1,920 Χ 1,080 and displays screen images one line at a time, called ____.

Progressive display

Application programs can help users write their own programs in a form that computer can understand using a programming language such as Visual Basic, COBOL, C++, Java, or ______ .

Python

In a printer, the print ____ affects the quality of the printed output .

Resolution

______ optical discs can be written to, erased, and overwritten just like magnetic hard disks

Rewritable

Fifty years ago, computers were used primarily by researchers and _______ .

Scientists

Computing technologies make it possible to have ______, traditional appliances with some type of built-in computer or communication technology .

Smart appliances

The term _____ refers to the programs or instructions used to tell the computer hardware what to do .

Software

Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. Lisa needs to make sure that the computer that she is using has a ______ attached to it for her to be able to hear music and sounds of a computer game .

Speaker

A storage medium is inserted into its corresponding ____ in order to be read from or written to.

Storage device

A _________ is a separate piece of hardware containing multiple high-speed hard drives

Storage server

RAID 0 uses disk ____, which spreads files over two or more hard drives.

Striping

To synchronize all of a computer's operations, a _______, which is located on the motherboard, is used.

System clock

Integrated circuits incorporate many transistors and electronic circuits on a single tiny silicon chip, allowing _____ to be even smaller and more reliable than earlier computers.

Third-generation computers

Although cost is a factor when comparing similar devices, it is often not the most compelling reason to choose a particular technology.

True

Computer tapes are read by tape drives, which can be either an internal or an external piece of hardware.

True

Conventional RAM is volatile.

True

Early computers required programs to be written in machine language.

True

The data on a(n) read-only disc cannot be erased, changed, or added to because the pits that are molded into the surface of the disc when the discs is produced are permanent.

True

The graphics tablet is typically connected to a computer via a USB port .

True

The system unit is the main case of a computer or mobile device

True

The term phosphorescence refers to a process that results in much more conversion of electrical energy into light instead of heat .

True

To create 3D RAM or flash memory chips, the memory cells are stacked on top of one another in layers.

True

With handwriting recognition, the computer interprets data handwritten with a digital pen as individual characters.

True

With pipelining, a new instruction begins executing as soon as the previous one reaches the next stage of the pipeline.

True

Sarah is a busy real estate agent with a growing clientele. She is looking to purchase a new computer and software so that she can keep track of her client's accounts, access the Internet from anywhere in the city, and touch up photos of real estate properties. Sarah stores digital photographs of houses she is previewing. She needs to be able to copy these to the computer at her office. What type of storage device should she use?

USB flash drive

Jess is a musician who has just bought a new computer. Now she need to figure out how to connect this computer to the devices that were connected to her old computer. To connect her external hard drive, in which all of her music files are stored, to the computer, Jess needs to use a ____.

USB port

One reason a computer might become inefficient is that when programs are uninstalled, pieces of the program are sometimes left behind or references to these programs are left in operating system files such as the ____.

Windows registry