question

the two major types of system software programs are utility programs and

answer

operating software

question

_______ of the operating system enables users to communicate with the computer system

answer

user interface

question

OS X is the operating system developed by

answer

Apple

question

All of the following are examples of network operating systems except

answer

MS DOS

question

UNIX was developed by Ken Thompson and Dennis Richie, who worked at

answer

AT and T's Bell Labs

question

Most supercomputers use the ________ operating system.

answer

Linux

question

Which of the following operating systems are used on most tablets?

answer

Android and iOS

question

Most smartphones use operating systems developed by ________.

answer

Google and Apple

question

Which operating system is used by most desktop and laptop computers?

answer

Windows

question

Windows 8 uses a(n) ________ account for easy access and storage of online files.

answer

OneDrive

question

The latest version of the Mac OS X is ________.

answer

Mavericks

question

Which of the following is NOT a user interface?

answer

application programming interface (API)

question

Using hard disk space to temporarily store data or instructions from RAM is referred to as ________.

answer

virtual memory

question

Each device attached to your computer comes with a special program called a(n) ________ that enables the device and operating system to communicate with each other.

answer

device driver

question

Which of the following is the first step in the boot process?

answer

The BIOS is activated by turning on the computer.

question

The basic input/output system (BIOS) is stored on a ________ chip.

answer

ROM

question

All of the following are terms related to part of the boot process EXCEPT ________.

answer

USB

question

Errors in computer software are called ________.

answer

bugs

question

C: denotes a ________ directory that is at the top of the filing structure of a computer.

answer

root

question

When using Windows 8 File Explorer, which view provides the most information at a glance?

answer

Details

question

All of the following can be used in an OS X file name EXCEPT ________.

answer

:

question

The location of a file is specified by its ________.

answer

file path

question

C:WindowsSystem32driversetcprotocol is an example of a file ________.

answer

path

question

Which of the following is the name of a Microsoft Excel file?

answer

inventory.xlsx

question

Deleted files on a Mac computer are moved to the ________.

answer

Trash

question

Which of the following Windows utility programs arranges pieces of files on your hard drive to allow for faster access?

answer

Disk Defragmenter

question

Which of the following is NOT a Windows utility program?

answer

Desktop

question

Which utility removes redundancies in a file to reduce the file size?

answer

File Compression

question

You can use the Windows ________ to check on a nonresponsive program.

answer

Task Manager

question

Mac OS X includes a backup utility called ________.

answer

Time Machine

question

Every computer has an operating system.

answer

true

question

Gaming consoles, such as Xbox 360 and iPods, do not need an operating system.

answer

false

question

Windows 8 has a new interface that is optimized for touch-screen devices.

answer

true

question

A personal computer can only have one operating system installed on it.

answer

false

question

About 90% of desktop and laptop computers run some version of Windows.

answer

true

question

Android is an open source operating system for personal computers and as a network OS.

answer

false

question

When your computer runs out of RAM, the operating system borrows space from the CPU.

answer

false

question

Installing a device driver can sometimes cause system instability.

answer

true

question

CMOS is a special kind of memory that uses a great deal of power.

answer

false

question

Preemptive multitasking is the term used when the operating system processes higher-priority tasks before lower-priority tasks.

answer

True

question

Windows 7's File Explorer has been replaced by Windows 8's Windows Explorer.

answer

False

question

You can use System Restore to restore your system's settings back to a specific date when everything was working properly.

answer

true

question

File names in Windows are case-sensitive.

answer

false

question

The High Contrast accessibility feature enables you to select a color scheme setting in which you control the contrast between text and background.

answer

True

question

You can return to the Start screen in Windows 8 by pressing the Windows key on the computer keyboard.

answer

true

question

The rule of thumb that predicts that CPU capacity will double every 2 years is called ________ Law.

answer

Moore's

question

The processor market for desktop and laptop computers is dominated by ________.

answer

Intel

question

Which of the following does NOT determine processor power?

answer

speed of the motherboard

question

Which of the following activities is carried out by the ALU?

answer

perform arithmetic calculations

question

All of the following are part of the machine cycle EXCEPT ________.

answer

encode

question

The CPU consists of which two parts?

answer

the control unit and the arithmetic logic unit

question

The control unit is one component of the ________.

answer

CPU

question

Running the CPU at a faster speed than the manufacturer recommends is called ________.

answer

Overclocking

question

There are ________ levels of cache memory.

answer

Three

question

________ provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished.

answer

Hyperthrading

question

The speed of a level of cache memory is impacted by ________.

answer

the chip's proximity to the CPU

question

RAM is an example of ________ storage.

answer

volatile

question

The amount of RAM storage is measured in ________.

answer

GB

question

In most current systems, ________ is the type of RAM used.

answer

DDR3

question

Windows uses a memory-management technique known as ________ to monitor which applications you frequently use and preloads them into your system memory.

answer

Superfetch

question

When referring to hard drives, access time is measured in ________.

answer

milliseconds

question

A ________ uses electronic memory and has no motors or moving parts.

answer

solid state drive

question

Which optical disc has the greatest storage capacity?

answer

Blu-Ray

question

Which of the following is NOT an optical disc format?

answer

Read erasable RE

question

The ________ has the largest capacity of any storage device.

answer

mechanical hard drive

question

Which of the follow ports is NOT used to connect to a video card?

answer

USB

question

To speed up the display of graphics, a(n) ________ is installed on some video cards.

answer

GPU

question

A ________ enables the computer to drive the speaker system.

answer

sound card

question

In Dolby Digital 7.1, the 1 indicates a ________ speaker.

answer

subwoofer

question

Running the Disk Defragmenter utility will ________.

answer

make the hard drive work more efficiently

question

Running the Disk Cleanup utility is a quick way to ________.

answer

clear out unnecessary files

question

To remove all the changes made to your system, the Windows ________ utility returns your computer to the state it was in when it came from the factory.

answer

refresh

question

Which statement pertaining to system reliability is FALSE?

answer

An accumulation of temporary Internet files has no effect on your computer's overall performance.

question

To securely erase data, the U.S. Department of Defense suggests that the data be overwritten ________ times.

answer

seven

question

Hard drives have been growing in storage capacity by about 50% each year.

answer

true

question

Desktop computer systems are less reliable than laptop computers.

answer

false

question

Level 3 cache memory is faster than the other cache memory levels.

answer

false

question

The use of multiple cores on one CPU chip allows the execution of two or more sets of instructions at the same time.

answer

true

question

Cache memory is a form of ROM.

answer

false

question

Level 1 cache contains the least amount of storage of the cache memory levels.

answer

true

question

Accessing data from the hard drive to send to the CPU is faster than accessing data from RAM.

answer

false

question

The heads of a hard disk drive touch the surface of the platter to read or write the data.

answer

false

question

Optical discs store data using tiny pits and lands.

answer

true

question

Video cards include their own RAM.

answer

true

question

When using multiple monitors, you must have multiple video cards.

answer

false

question

3-D sound is different from surround-sound.

answer

true

question

RAID 0 automatically duplicates your data and saves it on two identical drives.

answer

false

question

Thunderbolt can carry three channels of information on the same connector.

answer

false

question

If you reformat the hard drive on a computer, it erases all personal information from your computer and makes it safe to donate.

answer

false

question

A computer ________ is two or more computers connected using software and hardware so that they can communicate with each other.

answer

natwork

question

A ________ is a device connected to a network such as a printer or a game console.

answer

node

question

________ is the actual speed of data transfer that is achieved and is always less than or equal to the data transfer rate.

answer

throughput

question

All of the following are tasks for network administration of a large organization EXCEPT ________.

answer

purchasing initial equipment for the network

question

Which of the following is NOT used to classify network architectures?

answer

sped of the network

question

________ is the maximum speed at which data can be transferred between two nodes.

answer

bandwidth

question

A ________ is a network located in your residence that connects to all your digital devices.

answer

HAN

question

A network that spans a large physical distance is called a ________.

answer

WAN

question

A large network designed to provide access to a specific geographic area, such as a large city, is a ________.

answer

MAN

question

Which transmission medium transmits data the fastest?

answer

fiber optic cable

question

Normal telephone cable is a type of ________.

answer

twister pair cable

question

A client/server network is an example of ________ administration

answer

central

question

A peer-to-peer (P2P) network is an example of ________ administration.

answer

local

question

The fastest version of wireless Ethernet is ________.

answer

802.11ac

question

Which of the following is NOT a type of cable used in wired networks?

answer

unshielded coaxial

question

Which of the following is NOT a type of UTP cable you would use in a wired Ethernet network?

answer

CAT 7B

question

The most popular transmission media option for wired home Ethernet networks is ________ cable.

answer

unshielded twisted pair UTP

question

Wireless network devices use ________ to communicate with each other.

answer

Radio waves

question

For the nodes on a network to communicate with each other and access the network, each node needs a ________.

answer

network adapter

question

On a network, a(n) ________ helps prevent data packets from colliding with each other.

answer

switch

question

Sophisticated networks generally use which of the following hardware devices to ease the flow of data through the network?

answer

routers and switches

question

To transfer data packets between two or more networks, a ________ is used.

answer

router

question

Data are sent through a network in bundles called ________.

answer

Packets

question

All of the following operating systems support P2P networking EXCEPT ________.

answer

unix

question

Client/server networks are controlled by a central server that runs specialized software called a(n) ________.

answer

Network operating system NOS

question

Which of the following is NOT a wired broadband Internet connection option?

answer

dial up

question

A(n) ________ device facilitates file sharing and data backup.

answer

NAS

question

Using a network without the network owner's permission is known as ________.

answer

piggy backing

question

All of the following are extra precautions you can take to secure a wireless network EXCEPT ________.

answer

enable SSID bro

question

The unique number assigned to a network adapter by the manufacturer is referred to as the ________ address.

answer

MAC

question

A printer connected to a wireless network is considered to be a node on that network.

answer

true

question

Sharing files is a benefit of a network.

answer

true

question

In a peer-to-peer network, one computer acts as the central computer.

answer

false

question

P2P networks are most commonly used in home networks.

answer

true

question

The Internet is a WAN.

answer

true

question

Current wired Ethernet networks in the United States are based on the IEEE 802.11ac standard.

answer

False

question

Ethernet networks are always connected using twisted-pair cable technology.

answer

false

question

Wireless network connections are slower than wired broadband connections.

answer

true

question

The most popular transmission media option for wired Ethernet networks is UTP cable.

answer

true

question

Most computers today come with Ethernet adapters already installed.

answer

true

question

A router acts like a traffic signal on a network.

answer

false

question

A P2P network needs network operating system software installed on every node.

answer

false

question

Wireless networks are more vulnerable to attack than wired networks.

answer

true

question

WEP is a stronger form of security than WPA.

answer

false

question

Limiting your signal range does not help increase wireless network security.

answer

false

question

The Form 1 3D printer founders used the crowdfunding site ________ to ask for $100,000 in pledges.

answer

kickstarter

question

The term ________refers to the use of a single unifying device that handles media, Internet, entertainment, and telephone needs.

answer

digital convergence

question

What is iOS?

answer

an operating system for mobile devices

question

The operating system of a cell phone is stored in ________.

answer

ROM

question

The primary input devices for smartphones are ________.

answer

microphones and touch pad

question

A(n) ________ chip converts sound waves from a voice into digital signal.

answer

analog-to-digital converter

question

A(n) ________ is included in a cell phone to handle the compression of data for it to be quickly transmitted to another phone.

answer

digital signal processor chip

question

A(n) ________ converts your voice's sound waves into digital signals.

answer

analog-to-digital converter chip

question

Which of the following uses radio waves to transmit data signals over short distances?

answer

Bluetooth

question

Many mobile devices include a micro ________ port.

answer

USB

question

Text messaging is also called ________.

answer

short message service SMS

question

SMS messages are limited to a maximum of ________ characters.

answer

160

question

You can send messages that include photos and videos between mobile devices using ________ technology.

answer

multimedia message service MMS

question

An Internet connectivity plan is also known as a ________ plan.

answer

data

question

All of the following are advantages of VoIP EXCEPT ________.

answer

excellent reliability during during internet or power outages

question

________ is a very well-known free VoIP provider.

answer

Skype

question

The global positioning system is a network of 21 ________ plus 3 working spares.

answer

satellites

question

A main difference between the tablet and the smartphone is the ________.

answer

screen size

question

The distance between two near field communication (NFC) devices is limited to about ________.

answer

1.5 inches

question

In the United States, e-books account for about ________ of all book sales.

answer

20-30%

question

________ is digital textual information that can be stored, manipulated, and transmitted by electronic devices.

answer

E-Text

question

Your mobile device files can be synchronized using ________.

answer

cloud service

question

A portable media player can play files with all of the following file extensions EXCEPT ________.

answer

accdb

question

________ allows only limited use of media that have been legally purchased.

answer

digital rights management

question

Which of the following describes the number of times an analog wave is measured each second during an analog-to-digital conversion?

answer

sampling rate

question

Which of the following digital image formats compresses the image file?

answer

jpeg

question

Which of the following is NOT a video file extension?

answer

jpg

question

A(n) ________ cable carries all audio and video information from devices to a connected TV.

answer

HDMI

question

Inexpensive phones with modest processors and simple interfaces are called feature phones.

answer

true

question

Smartphones all use the Android operating system.

answer

false

question

iPhones let you add SD flash cards.

answer

false

question

SMS messages are limited to a maximum of 160 words.

answer

false

question

A tablet uses a full traditional operating system.

answer

true

question

SMS technology sends both text and pictures.

answer

false

question

There are more virus attacks on cell phone and smartphones than there are on PCs.

answer

false

question

VoIP can be considered an alternative to a traditional landline phone service.

answer

true

question

DRM-free music can legally be moved from system to system.

answer

true

question

The conversion rate is the number of times per second that the analog signal is measured and converted into a digital value.

answer

False

question

When converting analog waves to a series of numerical values, the higher the sampling rate, the more accurately the original wave can be re-created.

answer

true

question

Raw files are larger than JPEG files.

answer

true

question

Cellular networks offer faster data-transfer speed than WiFi offers.

answer

false

question

With Skype software installed on your phone, you can call any phone number for free.

answer

false

question

VoIP stands for Voice over Internet Protocol.

answer

true

question

Every new cell/smartphone has to include a GPS chip.

answer

true

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