Computer Hardware and Software
Exam Solutions
Course Introduction
This course provides a comprehensive introduction to the fundamental components of computer systems, encompassing both hardware and software elements. Students will explore the architecture and functionality of computer hardware including processors, memory, storage devices, input/output peripherals, and system buses. The software portion covers operating systems, application software, system utilities, and essential programming concepts. Emphasis will be placed on understanding the interdependence of hardware and software, troubleshooting common technical issues, and building a functional knowledge base for further studies in computer science and information technology.
Recommended Textbook
A+ Guide to IT Technical Support Hardware and Software 9th Edition by Jean Andrews
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20 Chapters
1000 Verified Questions
1000 Flashcards
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Page 2
Chapter 1: First Look at Computer Parts and Tools
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Sample Questions
Q1) What audio port connects to an external home theater audio system, providing digital audio output?
A) S/PDIF
B) FireWire
C) Thunderbolt
D) eSATA
Answer: A
Q2) What type of port transmits both digital audio and digital video with a single connector?
A) S-Video
B) DVI
C) HDMI
D) VGA
Answer: C
Q3) A micro-ATX motherboard will fit into a case that follows what minimum standard?
A) ATX 1.0
B) ATX 1.5
C) ATX 2.0
D) ATX 2.1
Answer: D
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Chapter 2: Working Inside Desktops and Laptops
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Sample Questions
Q1) When disassembling a computer, it's okay to stack circuit boards on top of each other as long as you follow ESD protection rules.
A)True
B)False
Answer: False
Q2) Some boards designed to support multiple PCIe video cards will have additional power connectors on the board to power wattage-hungry cards.
A)True
B)False
Answer: True
Q3) What is the very first step that should be taken when performing work with a computer?
A) You should back up any important data
B) You should ground yourself
C) The components should be removed
D) You should power down the system and unplug it.
Answer: A
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Chapter 3: All About Motherboards
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Sample Questions
Q1) What has occurred if you see the message "Chassis Intruded! System has halted." the next time you start your computer?
A) the disk has failed
B) Windows has not been activated
C) the case has been opened
D) the keyboard has been unplugged
Answer: C
Q2) What motherboard slot has direct access to the North Bridge?
A) secondary PCIe slot
B) ATA bus slot
C) Firewire
D) primary PCIe slot
Answer: D
Q3) Typically, PGA sockets give better contact than LGA sockets.
A)True
B)False
Answer: False
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Chapter 4: Supporting Processors and Upgrading Memory
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Sample Questions
Q1) There are nine features that affect performance and compatibility of a processor with the motherboard. List four of them.
Q2) What can a DIMM use to hold data and amplify a signal just before the data is written to the module?
A) EDO
B) registers
C) parity
D) CAS
Q3) a DIMM module with memory chips installed onto one side only
A) RIMM
B) dual ranked
C) ECC
D) Hyper-Threading
E) multiplier
F) parity
G) RAS Latency
H) processor frequency
I) single-sided
J) Thread
Q4) Describe the three levels of cache used by a processor.
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Chapter 5: Supporting the Power System and Troubleshooting Computers
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Sample Questions
Q1) What is a typical sign that a capacitor is bad or has failed?
A) The capacitors are discolored.
B) The capacitors are at a slight angle to the motherboard.
C) The capacitors have a crusty corrosion at the base of the capacitor.
D) The capacitors are warm to the touch
Q2) A PCIe 6/8 pin connector for providing auxiliary power to PCIe cards utilizes what voltage?
A) +5v
B) -12V
C) +12v
D) +15v
Q3) What Intel socket recommends the use of a liquid cooling system?
A) LGA1150
B) LGA1151
C) LGA1750
D) LGA2011
Q4) What is the purpose of a chassis air guide (CAG)?
Q5) What causes a BSOD and how should you begin the troubleshooting process?
Page 7
Q6) What are three questions you might want to ask a user when he brings a computer problem to you?
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Page 8
Chapter 6: Supporting Hard Drives and Other Storage
Devices
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Sample Questions
Q1) How much data can an LTO Ultrium 5 tape hold, native and compressed?
A) 1.5TB native
B) 3.0TB native
C) 1.5TB compressed
D) 3.0TB compressed
Q2) What are three of the factors you should consider when purchasing a hard drive that affect performance, use, and price?
Q3) sometimes called JBOD
A) autodetection
B) fault tolerance
C) storage card
D) mirrored volume
E) NAND flash memory
F) WORM drive / cartridge
G) file system
H) spanning
I) striped volume
J) UDF
Q4) List three steps that can be taken to troubleshoot a Windows startup issue.
Q5) Describe what a hybrid hard drive is.
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Chapter 7: Survey of Windows Features and Support Tools
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Sample Questions
Q1) List the four functions of an operating system.
Q2) What two methods can be used to access items in the Quick Launch menu?
A) Right click the Start button, select an item from the Quick Launch menu
B) Right click the taskbar, select Quick Launch, select an item.
C) Press Win+X on the keyboard to access the Quick Launch menu from anywhere
D) Press CTRL+X on the keyboard to access the Quick Launch menu from anywhere
Q3) What type of software is used to control a computer?
A) application
B) operating system
C) interface routine
D) ROM routine
Q4) The power saving state that saves all work to the hard drive and powers down the system is known by what term?
A) sleep mode
B) suspend mode
C) save mode
D) hibernation
Q5) A hard drive can only have one single root directory.
A)True
B)False
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Chapter 8: Installing Windows
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Sample Questions
Q1) List and describe the three choices you have if Windows is already installed on the hard drive and you want to install a different Windows operating system.
Q2) Which of the following is used to uniquely identify a computer on a network?
A) network ID
B) ARP address
C) IP address
D) Serial number
Q3) What is a batch file?
Q4) Describe what you can do to install Windows 7 if your computer does not have a DVD drive.
Q5) The GUID Partition Table (GPT) method for partitioning a drive allows up to 128 partitions.
A)True
B)False
Q6) What commands are used by the USMT software? (Choose all that apply.)
A) imagecopy
B) scanstate
C) loadstate
D) imagestate
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Chapter 9: Supporting I/O Devices
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Sample Questions
Q1) uses a thin LED layer or film between two grids of electrodes
A) infrared (IR)
B) digitizer
C) dxdiag.exe
D) HDMI connector
E) OLED
F) projector
G) refresh rate
H) stylus
I) contrast ratio
J) ghost cursor
Q2) What type of backlighting is also called fluorescent backlighting, and was first used in laptop monitors?
A) LED
B) liquid crystal display
C) plasma monitor
D) CCFL
Q3) What is MIDI?
Q4) What is a barcode reader and how are they typically connected to a computer?
Q5) What is DirectX?
12
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Chapter 10: Maintaining Windows
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Sample Questions
Q1) If you enter a command and want to terminate its execution before it is finished, what key press should you use?
A) Ctrl+C
B) Ctrl+V
C) Ctrl+B
D) Ctrl+X
Q2) How much storage does a dynamic disk require for the disk management database?
A) 1 MB
B) 10 GB
C) 5 MB
D) 50 MB
Q3) What option, when passed to the shutdown command, will restart the local computer?
A) /h
B) -h
C) /s
D) /r
Q4) Describe the purpose of Pagefile.sys.
Q5) Describe how the format command is used, and what it does.
Q6) List and describe the status indicators that apply only to a dynamic disk.
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Chapter 11: Optimizing Windows
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Sample Questions
Q1) What tabs found in the Windows Task Manager dialog box? (Choose all that apply).
A) Applications
B) Startup
C) Processes
D) Performance
Q2) What Windows utility is particularly useful in identifying software and hardware bottlenecks, and provides the ability to monitor in real time?
A) Event Viewer
B) Reliability Monitor
C) Performance Monitor
D) Resource Monitor
Q3) What is the term given to the individual tools in a console?
A) consoles
B) add-ins
C) snap-ins
D) views
Q4) There is no undo feature in the Registry Editor.
A)True
B)False
Q5) Describe the Windows shell.
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Chapter 12: Supporting Customers and Troubleshooting
Windows
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Sample Questions
Q1) a record of a help request and its current status
A) call tracking
B) Blue Screen of Death
C) System File Checker
D) escalate
E) Component Services
F) default program
G) Taskkill
H) Tasklist
I) ticket
J) Regsvr32
Q2) How can you eliminate the hard drive as the source of an application error?
Q3) What can you do if you suspect an application requires more privileges than the currently logged-on account?
A) run the application from the command line using the /highpriority parameter
B) use the Run as administrator shortcut menu option
C) double-click the application icon while holding down the Home key
D) download a 64-bit version of the application and try it again
Q4) If a file fails to open, what could be the issue?
Q5) Briefly explain why you should document after you have solved a problem.
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Chapter 13: Troubleshooting Windows Startup
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Sample Questions
Q1) The Advanced Boot Options menu appears when a user presses F8 as Windows is loading.
A)True
B)False
Q2) You have received a "No boot device found" notification upon booting your system. What does this mean, and what can you do to troubleshoot it?
Q3) Describe the difference between a hard boot and a soft boot.
Q4) a command to manage hard drives, partitions, and volumes.
A) Windows Recovery Environment (RE)
B) Last Known Good Configuration
C) POST (power-on self test)
D) EFI System Parition (ESP)
E) Boot Configuration Data (BCD) store
F) soft boot
G) diskpart
H) Windows Boot Manager (BootMgr)
I) cold boot
J) fixboot
Q5) Describe the Windows 8 reset ability.
Q6) What is Windows RE and how can you use it?
Page 16
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Chapter 14: Connecting To and Setting Up a Network
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Sample Questions
Q1) What protocol makes a connection, checks whether the data is received, and resends it if it is not?
A) TCP
B) UDP
C) IP
D) DNS
Q2) If the computer you are using is a laptop that moves from one network to another, what tab can be used to configure a secondary configuration, such as a static IP if a DHCP server cannot be reached?
A) General Configuration
B) Alternate Configuration
C) Secondary Configuration
D) Fallback Configuration
Q3) Describe a domain name and provide examples of domain names.
Q4) Packets are delivered to a single node on a network when using what type of IPv6 address?
A) anycast address
B) default gateway address
C) multicast address
D) unicast address
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Chapter 15: Supporting Network Hardware
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Sample Questions
Q1) a device that helps to eliminate electromagnetic interference (EMI)
A) broadband
B) throughput
C) ferrite clamp
D) latency
E) fast Ethernet
F) patch cable
G) STP
H) switch
I) repeater
J) DSL
Q2) What command will display a list of active and inactive network interfaces on Unix, Linux, and Mac OS X?
A) ipconfig -a
B) ifconfig -a
C) netsh show interfaces
D) ip list network
Q3) What are the differences between a hub and a switch?
Q4) What is the nslookup command, and what does it do?
Q5) What does the ping command do?
18
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Chapter 16: Supporting Mobile Operating Systems
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Sample Questions
Q1) How are apps for iOS distributed?
Q2) iOS was developed by and continues to be maintained by a consortium of companies.
A)True
B)False
Q3) What is a VPN connection, and how can you create one on iOS?
Q4) Which devices utilize an operating system based on the Mac OS X operating system? (Choose all that apply.)
A) iPhone
B) iPad
C) iPod touch
D) Samsung Galaxy
Q5) What two U.S. carriers offer a feature called Wi-Fi calling?
A) ATandT
B) Sprint
C) T-Mobile
D) Verizon
Q6) Describe how Android apps are distributed.
Q7) What is the CDMA equivalent of a SIM card?
Q8) What is tethering?
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Chapter 17: Windows Resources on a Network
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Sample Questions
Q1) What task can't be performed from the IE General tab?
A) change the home page
B) disable file downloads
C) delete browsing history
D) manage the IE cache
Q2) Which of the following are true about NTFS permissions? (Choose all that apply.)
A) inherited permissions override explicit permissions
B) when a subfolder is created, it is assigned the permissions of its parent folder
C) it is not possible to change the owner of a file
D) if NTFS permissions conflict locally, the more liberal permission applies
Q3) What is a valid reason for wanting to configure a proxy server in Internet Explorer?
A) to increase the security of the connection
B) to connect to secured websites on a corporate network VPN
C) to improve website performance
D) to surf anonymously
Q4) What is a data source, and how is it used?
Q5) Describe the difference between rights and permissions on a Windows OS.
Q6) What is the principle of least privilege?
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Chapter 18: Security Strategies
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Q1) type of spyware that tracks your keystrokes, including passwords
A) adware
B) digital certificate
C) grayware
D) keylogger
E) dictionary attack
F) social engineering
G) tailgating
H) Trojan
I) zombie
J) Worm
Q2) What technology can be used to locate a device such as a laptop after it has been stolen?
A) Management software
B) LoJack
C) Trojan
D) Multifactor Trace software
Q3) Under what circumstances can a blank password be more secure than a non-blank password?
Q4) What is a Trojan, and how is it installed?
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Chapter 19: Supporting Printers and Customizing a System
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Q1) During the charging process of a laser printer, the drum is conditioned by a roller that places an electrical charge of what voltage onto the surface of the drum?
A) -100V
B) +300V
C) -600V
D) +1200V
Q2) The developing, transferring, fusing, and cleaning steps of the laser printing process use the printer components that undergo the most wear.
A)True
B)False
Q3) What type of printer is slower than a laser printer, and also tends to smudge on inexpensive paper?
A) Laser
B) Dye-sublimation
C) Thermal
D) Inkjet
Q4) How do you stop and restart the Windows Print Spooler service?
Q5) Describe the function of an impact printer.
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Chapter 20: Virtualization, Linux, and Mac OS X
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Sample Questions
Q1) If you need to redirect the output from a command, what symbol should you use?
A) |
B) *
C) >
D)\(?\)
Q2) What is the Boot Camp utility?
Q3) What is the name of the OS X built-in backup utility?
A) iBackup
B) Time Machine
C) Backup Utility
D) Cloner
Q4) On Linux, the root user's home directory is /home/root.
A)True
B)False
Q5) What Linux distribution is considered a cutting-edge distribution?
A) Debian
B) Fedora
C) Red Hat Enterprise Linux
D) Ubuntu
Q6) What is the Linux operating system?
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