the two major types of system software programs are utility programs and
_______ of the operating system enables users to communicate with the computer system
OS X is the operating system developed by
All of the following are examples of network operating systems except
UNIX was developed by Ken Thompson and Dennis Richie, who worked at
AT and T’s Bell Labs
Most supercomputers use the ________ operating system.
Which of the following operating systems are used on most tablets?
Android and iOS
Most smartphones use operating systems developed by ________.
Google and Apple
Which operating system is used by most desktop and laptop computers?
Windows 8 uses a(n) ________ account for easy access and storage of online files.
The latest version of the Mac OS X is ________.
Which of the following is NOT a user interface?
application programming interface (API)
Using hard disk space to temporarily store data or instructions from RAM is referred to as ________.
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.
Which of the following is the first step in the boot process?
The BIOS is activated by turning on the computer.
The basic input/output system (BIOS) is stored on a ________ chip.
All of the following are terms related to part of the boot process EXCEPT ________.
Errors in computer software are called ________.
C: denotes a ________ directory that is at the top of the filing structure of a computer.
When using Windows 8 File Explorer, which view provides the most information at a glance?
All of the following can be used in an OS X file name EXCEPT ________.
The location of a file is specified by its ________.
C:WindowsSystem32driversetcprotocol is an example of a file ________.
Which of the following is the name of a Microsoft Excel file?
Deleted files on a Mac computer are moved to the ________.
Which of the following Windows utility programs arranges pieces of files on your hard drive to allow for faster access?
Which of the following is NOT a Windows utility program?
Which utility removes redundancies in a file to reduce the file size?
You can use the Windows ________ to check on a nonresponsive program.
Mac OS X includes a backup utility called ________.
Every computer has an operating system.
Gaming consoles, such as Xbox 360 and iPods, do not need an operating system.
Windows 8 has a new interface that is optimized for touch-screen devices.
A personal computer can only have one operating system installed on it.
About 90% of desktop and laptop computers run some version of Windows.
Android is an open source operating system for personal computers and as a network OS.
When your computer runs out of RAM, the operating system borrows space from the CPU.
Installing a device driver can sometimes cause system instability.
CMOS is a special kind of memory that uses a great deal of power.
Preemptive multitasking is the term used when the operating system processes higher-priority tasks before lower-priority tasks.
Windows 7’s File Explorer has been replaced by Windows 8’s Windows Explorer.
You can use System Restore to restore your system’s settings back to a specific date when everything was working properly.
File names in Windows are case-sensitive.
The High Contrast accessibility feature enables you to select a color scheme setting in which you control the contrast between text and background.
You can return to the Start screen in Windows 8 by pressing the Windows key on the computer keyboard.
The rule of thumb that predicts that CPU capacity will double every 2 years is called ________ Law.
The processor market for desktop and laptop computers is dominated by ________.
Which of the following does NOT determine processor power?
speed of the motherboard
Which of the following activities is carried out by the ALU?
perform arithmetic calculations
All of the following are part of the machine cycle EXCEPT ________.
The CPU consists of which two parts?
the control unit and the arithmetic logic unit
The control unit is one component of the ________.
Running the CPU at a faster speed than the manufacturer recommends is called ________.
There are ________ levels of cache memory.
________ provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished.
The speed of a level of cache memory is impacted by ________.
the chip’s proximity to the CPU
RAM is an example of ________ storage.
The amount of RAM storage is measured in ________.
In most current systems, ________ is the type of RAM used.
Windows uses a memory-management technique known as ________ to monitor which applications you frequently use and preloads them into your system memory.
When referring to hard drives, access time is measured in ________.
A ________ uses electronic memory and has no motors or moving parts.
solid state drive
Which optical disc has the greatest storage capacity?
Which of the following is NOT an optical disc format?
Read erasable RE
The ________ has the largest capacity of any storage device.
mechanical hard drive
Which of the follow ports is NOT used to connect to a video card?
To speed up the display of graphics, a(n) ________ is installed on some video cards.
A ________ enables the computer to drive the speaker system.
In Dolby Digital 7.1, the 1 indicates a ________ speaker.
Running the Disk Defragmenter utility will ________.
make the hard drive work more efficiently
Running the Disk Cleanup utility is a quick way to ________.
clear out unnecessary files
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.
Which statement pertaining to system reliability is FALSE?
An accumulation of temporary Internet files has no effect on your computer’s overall performance.
To securely erase data, the U.S. Department of Defense suggests that the data be overwritten ________ times.
Hard drives have been growing in storage capacity by about 50% each year.
Desktop computer systems are less reliable than laptop computers.
Level 3 cache memory is faster than the other cache memory levels.
The use of multiple cores on one CPU chip allows the execution of two or more sets of instructions at the same time.
Cache memory is a form of ROM.
Level 1 cache contains the least amount of storage of the cache memory levels.
Accessing data from the hard drive to send to the CPU is faster than accessing data from RAM.
The heads of a hard disk drive touch the surface of the platter to read or write the data.
Optical discs store data using tiny pits and lands.
Video cards include their own RAM.
When using multiple monitors, you must have multiple video cards.
3-D sound is different from surround-sound.
RAID 0 automatically duplicates your data and saves it on two identical drives.
Thunderbolt can carry three channels of information on the same connector.
If you reformat the hard drive on a computer, it erases all personal information from your computer and makes it safe to donate.
A computer ________ is two or more computers connected using software and hardware so that they can communicate with each other.
A ________ is a device connected to a network such as a printer or a game console.
________ is the actual speed of data transfer that is achieved and is always less than or equal to the data transfer rate.
All of the following are tasks for network administration of a large organization EXCEPT ________.
purchasing initial equipment for the network
Which of the following is NOT used to classify network architectures?
sped of the network
________ is the maximum speed at which data can be transferred between two nodes.
A ________ is a network located in your residence that connects to all your digital devices.
A network that spans a large physical distance is called a ________.
A large network designed to provide access to a specific geographic area, such as a large city, is a ________.
Which transmission medium transmits data the fastest?
fiber optic cable
Normal telephone cable is a type of ________.
twister pair cable
A client/server network is an example of ________ administration
A peer-to-peer (P2P) network is an example of ________ administration.
The fastest version of wireless Ethernet is ________.
Which of the following is NOT a type of cable used in wired networks?
Which of the following is NOT a type of UTP cable you would use in a wired Ethernet network?
The most popular transmission media option for wired home Ethernet networks is ________ cable.
unshielded twisted pair UTP
Wireless network devices use ________ to communicate with each other.
For the nodes on a network to communicate with each other and access the network, each node needs a ________.
On a network, a(n) ________ helps prevent data packets from colliding with each other.
Sophisticated networks generally use which of the following hardware devices to ease the flow of data through the network?
routers and switches
To transfer data packets between two or more networks, a ________ is used.
Data are sent through a network in bundles called ________.
All of the following operating systems support P2P networking EXCEPT ________.
Client/server networks are controlled by a central server that runs specialized software called a(n) ________.
Network operating system NOS
Which of the following is NOT a wired broadband Internet connection option?
A(n) ________ device facilitates file sharing and data backup.
Using a network without the network owner’s permission is known as ________.
All of the following are extra precautions you can take to secure a wireless network EXCEPT ________.
enable SSID bro
The unique number assigned to a network adapter by the manufacturer is referred to as the ________ address.
A printer connected to a wireless network is considered to be a node on that network.
Sharing files is a benefit of a network.
In a peer-to-peer network, one computer acts as the central computer.
P2P networks are most commonly used in home networks.
The Internet is a WAN.
Current wired Ethernet networks in the United States are based on the IEEE 802.11ac standard.
Ethernet networks are always connected using twisted-pair cable technology.
Wireless network connections are slower than wired broadband connections.
The most popular transmission media option for wired Ethernet networks is UTP cable.
Most computers today come with Ethernet adapters already installed.
A router acts like a traffic signal on a network.
A P2P network needs network operating system software installed on every node.
Wireless networks are more vulnerable to attack than wired networks.
WEP is a stronger form of security than WPA.
Limiting your signal range does not help increase wireless network security.
The Form 1 3D printer founders used the crowdfunding site ________ to ask for $100,000 in pledges.
The term ________refers to the use of a single unifying device that handles media, Internet, entertainment, and telephone needs.
What is iOS?
an operating system for mobile devices
The operating system of a cell phone is stored in ________.
The primary input devices for smartphones are ________.
microphones and touch pad
A(n) ________ chip converts sound waves from a voice into digital signal.
A(n) ________ is included in a cell phone to handle the compression of data for it to be quickly transmitted to another phone.
digital signal processor chip
A(n) ________ converts your voice’s sound waves into digital signals.
analog-to-digital converter chip
Which of the following uses radio waves to transmit data signals over short distances?
Many mobile devices include a micro ________ port.
Text messaging is also called ________.
short message service SMS
SMS messages are limited to a maximum of ________ characters.
You can send messages that include photos and videos between mobile devices using ________ technology.
multimedia message service MMS
An Internet connectivity plan is also known as a ________ plan.
All of the following are advantages of VoIP EXCEPT ________.
excellent reliability during during internet or power outages
________ is a very well-known free VoIP provider.
The global positioning system is a network of 21 ________ plus 3 working spares.
A main difference between the tablet and the smartphone is the ________.
The distance between two near field communication (NFC) devices is limited to about ________.
In the United States, e-books account for about ________ of all book sales.
________ is digital textual information that can be stored, manipulated, and transmitted by electronic devices.
Your mobile device files can be synchronized using ________.
A portable media player can play files with all of the following file extensions EXCEPT ________.
________ allows only limited use of media that have been legally purchased.
digital rights management
Which of the following describes the number of times an analog wave is measured each second during an analog-to-digital conversion?
Which of the following digital image formats compresses the image file?
Which of the following is NOT a video file extension?
A(n) ________ cable carries all audio and video information from devices to a connected TV.
Inexpensive phones with modest processors and simple interfaces are called feature phones.
Smartphones all use the Android operating system.
iPhones let you add SD flash cards.
SMS messages are limited to a maximum of 160 words.
A tablet uses a full traditional operating system.
SMS technology sends both text and pictures.
There are more virus attacks on cell phone and smartphones than there are on PCs.
VoIP can be considered an alternative to a traditional landline phone service.
DRM-free music can legally be moved from system to system.
The conversion rate is the number of times per second that the analog signal is measured and converted into a digital value.
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.
Raw files are larger than JPEG files.
Cellular networks offer faster data-transfer speed than WiFi offers.
With Skype software installed on your phone, you can call any phone number for free.
VoIP stands for Voice over Internet Protocol.
Every new cell/smartphone has to include a GPS chip.