Hardest Trivia Quiz On CompTIA A+ Certification Test!
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This quiz has been made for students and learners to identify the Components of Computer, to know the Purpose and Characteristics of Processors, Memory, Ports, Motherboard, Cables and Cooling systems. So, let's try out this quiz to assess how much knowledge you possess. Take your time. All the best!
- 1.Which computer component contains all the circuitry necessary for other components or devices to communicate with one another?
- A.
Motherboard
- B.
Adapter card
- C.
Hard drive
- D.
Expansion bus
- 2.Which packaging is used for DDR SDRAM memory?
- A.
168—pin DIMM
- B.
72—pin SIMM
- C.
184—pin DIMM
- D.
RIMM
- 3.What memory chips would you find on a stick of PC3—16000?
- A.
DDR—2000
- B.
DDR3—2000
- C.
DDR3—16000
- D.
PC3—2000
- 4.Which motherboard design style is most widely implemented?
- A.
ATX
- B.
AT
- C.
Baby AT
- D.
NLX
- 5.Which motherboard socket type is used on the Pentium 4 chip?
- A.
Slot 1
- B.
Socket A
- C.
Socket 370
- D.
Socket 478
- 6.Which of the following is a socket technology that is designed to ease the insertion of modern CPU's?
- A.
Socket 479
- B.
ZIF
- C.
LPGA
- D.
SPGA
- 7.Which of the following is not controlled by the Northbridge?
- A.
PCIe
- B.
SATA
- C.
AGP
- D.
Cache memory
- 8.Which of the following is used to store data and programs for repeated use? Information can be added and deleted at will, and it does not lose its data when power is removed.
- A.
Hard Drive
- B.
RAM
- C.
Internal cache memory
- D.
ROM
- 9.Which motherboard socket type is used with the AMD Athlon XP?
- A.
Slot 1
- B.
Socket A
- C.
Socket 370
- D.
Socket 478
- 10.You want to plug a keyboard into the back of a computer. You know that you need to plug the keyboard cable into a PS/2 port. Which style of port is the PS/2?
- A.
Mini DIN 6
- B.
RJ--11
- C.
DE9
- D.
DIN 5
- 11.Which of the following are the numbers of pins that can be found on DIMM modules used in desktop motherboards? (Choose three.)
- A.
168
- B.
180
- C.
184
- D.
200
- E.
240
- 12.What is the maximum speed of USB 2.0 in Mbps?
- A.
1.5
- B.
12
- C.
60
- D.
480
- 13.Which of the following standards are specified by IEEE 1284? (Choose two.)
- A.
SPP
- B.
RS 232
- C.
EPP
- D.
ECP
- 14.What peripheral port type was originally developed by Apple and is currently the optimal interface for digital video transfers?
- A.
DVD
- B.
USB
- C.
IEEE 1394
- D.
IEEE 1284
- 15.What peripheral port type is expandable using a hub, operates at 1.5 Mbps, and is used to connect various devices (from printers to cameras) to PCs?
- A.
DVD 1.0
- B.
USB 1.1
- C.
IEEE 1394
- D.
IEEE 1284
- 16.Which peripheral port type was designed to transfer data at high speeds over a d-subinterface?
- A.
DVD
- B.
USB
- C.
IEEE 1394
- D.
IEEE 1284
- 17.Which motherboard form factor places expansion slots on a special riser card and is used in low-profile PC’s
- A.
AT
- B.
Baby AT
- C.
ATX
- D.
NLX
- 18.Which Intel processor type might be mounted on a SECC for motherboard installation?
- A.
Athalon
- B.
486
- C.
Pentium
- D.
Pentium ii
- 19.You have just purchased a motherboard that has an LGA 775 socket for an Intel Pentium 4 processor. What type of memory module will you need for this motherboard?
- A.
DIP
- B.
SIMM
- C.
RIMM
- D.
DIMM
- 20.What type of expansion slot is preferred today for high-performance graphics adapters?
- A.
AGP
- B.
PCIe
- C.
PCI
- D.
ISA
- 21.What is the physical component where data are stored in a HDD?
- A.
Read / Write head
- B.
Platter
- C.
Sector
- D.
Cluster
- 22.Which of the following is not one of the three major components of a hard disk drive system?
- A.
Drive interface
- B.
Controller
- C.
Hard Disk
- D.
Host Adapter
- 23.What is the largest NTFS volume size supported by Windows XP
- A.
256 Gb
- B.
2 Tb
- C.
128 Tb
- D.
256 Tb
- 24.Which technology is based on flash memory and is intended to eventually replace conventional hard disk hard disk drives that have moving disks and other mechanisms
- A.
Thumb drives
- B.
Memory cards
- C.
Solid state
- D.
Optical drives
- 25.High-density 3 ½” floppy diskettes have a formatted capacity of:
- A.
360 Kb
- B.
720 Kb
- C.
1.44 Mb
- D.
2.88 Mb
- 26.Which optical disc format supports a data capacity of 25 GB?
- A.
Double sided, double layer DVD+R
- B.
Single sided, single-layer Blu-ray disc
- C.
Double-sided, single-layer DVD-R
- D.
Double-sided, single-layer DVD+R
- 27.Which of the following is used to store data and programs for repeated use? Information can be added and deleted at will and it does not lose its data when power is removed.
- A.
Hard drive
- B.
RAM
- C.
Internal cache memory
- D.
ROM
- 28.Of the following voltage pairings, which one accurately represents the input and output, respectively of power supplies and AC adapters?
- A.
AC in, AC out
- B.
DC in, DC out
- C.
AC in, DC out
- D.
DC in, AC out
- 29.What are the five output voltages produced by a common Pc power supply? (Choose three)
- A.
+3.3
- B.
+110VDC
- C.
+5VDC / -5VDC
- D.
+12VDC / -12VDC
- E.
-110VDC
- 30.Which of the following statements about power supplies is true?
- A.
You must make sure the voltage selector switch on the back of the power supply is switched to the lower setting if the computer is going to be used in Europe
- B.
SATA hard drives most often use the same type of power connector as PATA hard drives
- C.
Power supplies supply power to ATX-based motherboards with connectors known commonly as P8 and P9
- D.
Molex connectors are used with PATA hard drives, while Berg connectors are used with floppy drives
- 31.What kind of device uses unique physical traits of the user to authenticate their access to a secure system or location?
- A.
Barcode reader
- B.
Biometric device
- C.
Keyboard
- D.
Touchscreen
- 32.What kind of media is most commonly used when large amounts of data need to be archived on a regular basis?
- A.
Tape
- B.
Optical disk
- C.
External hard drive
- D.
Floppy diskette
- 33.Which type of input device employs roughly the same connector as the original AT keyboard?
- A.
Barcode reader
- B.
PS/2 keyboard
- C.
MIDI
- D.
Touch screen
- 34.What can you use to convert video to a format that can be uploaded to the internet, among other things?
- A.
A barcode reader
- B.
A video capture card
- C.
A TV tuner card
- D.
A MIDI device
- 35.Why might you use a KVM switch?
- A.
You have multiple Ethernet devices that need to communicate with one another
- B.
You need to be able to switch the voltage supplied to a particular device
- C.
You do not have a non- networked attached printer but want multiple computers to be able to print to it
- D.
You have more than one server and don’t want to buy certain external peripherals separately for each
- 36.Which category of adapters includes NICs?
- A.
Multimedia
- B.
I/O
- C.
Communications
- D.
Video
- 37.What category of adapter would you need to install to equip a system with one or more USB ports?
- A.
Multimedia
- B.
I/O
- C.
Communications
- D.
Video
- 38.What type of adapter has an RJ-11 jack built in?
- A.
Modem
- B.
Video
- C.
Sound
- D.
NIC
- 39.What type of pointing device features a ball and buttons on the top and a flat steady, steady surface on the bottom?
- A.
Mouse
- B.
Touchpad
- C.
Trackball
- D.
Trackpad
- 40.When replacing a power supply, which of the following tends to vary among power supplies and must be chosen properly to support all connected devices?
- A.
Wattage
- B.
Voltage
- C.
Amperage
- D.
Resistance
- 41.Which of the following would be the best choice as a personal display technology if a user wants to save desk space and not have to deal with interference from nearby speakers?
- A.
CRT
- B.
HDMI
- C.
LCD
- D.
Projector
- 42.An Associate is trying to explain why a particular model of CRT monitor displays images in such high quality but is unable to recall a specific term. The associate mentions that each phosphor is on average only 0.25mm away from the nearest phosphor of the same color. what is the associate trying to describe?
- A.
Resolution
- B.
Dot pitch
- C.
Refresh rate
- D.
The number of dots per inch
- 43.A Which of the following is true regarding a monitor’s refresh rate?
- A.
As long as the graphics adapter can refresh the image at a particular rate, the attached monitor can accommodate that refresh rate
- B.
The refresh rate is normally expressed in MHz
- C.
The refresh rate is normally selected by using the controls on the front panel of the monitor
- D.
As you lower the resolution, the maximum refresh rate allowed tends to increase.
- 44.+ Which statement about LCDs is most accurate?
- A.
The concept of refresh rate has no meaning with regard to LCDs
- B.
LCDs are preferred to CRTs because they can display a larger range of resolution
- C.
LCDs tend not to be as clear
- D.
LCDs require more power than CRTs
- 45.If you are unable to display a given resolution on a monitor, which of the following might explain why
- A.
The graphics adapter does not have enough memory installed
- B.
The video display unit does not have enough memory installed
- C.
You are using a CRT with a single fixed resolution
- D.
You have the refresh rate set too high
- 46.Which video technology has a resolution of 1280 x 1024?
- A.
SVGA
- B.
SXGA
- C.
WSXGA
- D.
UXGA
- 47.What does a Q in video resolution names, such as QXGA, refer to?
- A.
Both the horizontal and vertical components of the resolution have been quadrupled.
- B.
The resolution is cut to one fourth
- C.
The technology is faster
- D.
Both the horizontal and vertical components of the resolution have been doubled
- 48.What is contrast ratio?
- A.
The ratio of luminance between the darkest and lightest colors that can be displayed
- B.
A term that was used with CRT’s but has no meaning with LCDs
- C.
The ratio of luminance between two adjacent pixels
- D.
Something that can be corrected through degaussing
- 49.Which of the following interfaces allows audio to be sent over the cabling infrastructure as video?
- A.
VGA
- B.
DVI
- C.
HDMI
- D.
Composite
- 50.How do you connect a DVI – A interface on a peripheral to a DVI – D interface on the computer?
- A.
With a DVI-I cable
- B.
With a cable that is terminated on one end with a DVI-A connector and on the other end with a DVI-D connector
- C.
You wouldn’t interconnect those two interfaces
- D.
With a standard DVI cable
- 51.On which properties tab do you select the refresh rate to use between the graphics adapter and monitor in Windows Vista?
- A.
Adapter
- B.
Monitor
- C.
Advanced
- D.
Display settings
- 52.After a presentation using a video projector, when in a hurry to pack everything up and head to the airport, which of the following should you avoid doing immediately?
- A.
Unplugging the projectors power cable
- B.
Unplugging the projectors video cable from your laptop
- C.
Turning off the power to the projector
- D.
Turning off your laptop
- 53.What might cause your display in a resolution of 640x480?
- A.
You have your resolution set to SVGA.
- B.
You added memory to your graphics adapter but you have not informed the BIOS of the new memory
- C.
You have your resolution set to XGA
- D.
You have booted into Safe Mode
- 54.Which of the following results can occur with improper display settings?
- A.
The computer spontaneously reboots
- B.
The graphics adapter automatically chooses to use the highest supported resolution.
- C.
You might have to scroll to see parts of the desktop
- D.
The mouse cursor changes or permanently disappears
- 55.What is the single, fixed resolution of an LCD called?
- A.
Native resolution
- B.
Default resolution
- C.
Refresh rate
- D.
Burned-in resolution
- 56.Which of the following is it possible to do with multi-monitor settings?
- A.
Connect multiple monitors to your computer only by using a graphic adapter with two video interfaces
- B.
Cause two different Desktops to merge onto the same monitor
- C.
Connect two laptops together so they display the same Desktop
- D.
Display different parts of your Desktop on different monitors
- 57.Which of the following types of LCD has the best performance?
- A.
Active matrix
- B.
Passive matrix
- C.
Dual matrix
- D.
Dual scan
- 58.Which of the following resolutions is an example of a 16:10 aspect ratio?
- A.
1280x1024
- B.
1920x1200
- C.
800x600
- D.
2048x1536
- 59.Where can you find the best degaussing tool for modern CRT monitors?
- A.
At a computer specialty shop
- B.
At a consumer electronics store
- C.
Built into the monitor
- D.
As a freeware download
- 60.VGA based video technologies use what type of signal between the adapter and monitor
- A.
Digital
- B.
Analog
- C.
Compressed
- D.
Composite
- 61.Which of the following battery chemistries has the longest life when used with portable computing devices?
- A.
NiCd
- B.
NiMh
- C.
Alkaline
- D.
Li-Ion
- 62.Which of the following is not a benefit of laptop design?
- A.
Portability
- B.
Increased performance
- C.
Desktop replacement
- D.
Higher quality replacement
- 63.Which of the following is not a requirement for ACPI to function?
- A.
The BIOS must support ACPI
- B.
You must be running Windows 98 or later
- C.
The motherboard must support ACPI
- D.
The processor must support ACPI
- 64.Which laptop input device was released with the IBM Think Pad series of laptops?
- A.
Touchpad
- B.
Mouse
- C.
Point stick
- D.
Trackball
- 65.Which laptop accessory allows you to power your laptop from a car or airplane?
- A.
AC adapter
- B.
DC adapter
- C.
Battery converter
- D.
Automotive wizard
- 66.Which of the following rechargeable battery types is least desirable due to its minimal power duration when used with laptops?
- A.
NiCd
- B.
NiMh
- C.
Ni-Poly
- D.
Li-Ion
- 67._______ is the fastest and most modern interface used as an expansion method for external peripherals, such as mice, web cams, scanners and printers and is popular on laptops and desktops alike?
- A.
Parallel
- B.
PS/2
- C.
USB
- D.
ATA
- 68.Which type of laptop was designed to look and function likes a paper notebook
- A.
Luggable
- B.
Tablet
- C.
Netbook
- D.
Notebook
- 69.Which of the following power states consumes the least amount of power?
- A.
G0
- B.
S1
- C.
S2
- D.
S4
- 70.Which type of PC Card is used most often for expansion devices like NICs, sound cards, and so on?
- A.
Type I
- B.
Type II
- C.
Type III
- D.
Type IV
- 71.Which of the following expansion buses uses serial communications and is capable of operating in USB and PCIe modes?
- A.
Express Card
- B.
Card Bus
- C.
Mini PCI
- D.
FireWire
- 72.A Which tab of the Display Properties dialogue box in Windows XP has a button that launches Power Options Properties, allowing you to enable hibernation and set power schemes, among other things?
- A.
Settings
- B.
Desktop
- C.
Screen Saver
- D.
Themes
- 73.PC Cards rely on which type of software in order to operate? (Choose two.)
- A.
Cardmember Services
- B.
Card Services
- C.
Modem Services
- D.
Socket Services
- 74.What component allows you to keep desktop services devices, such as keyboard, monitor, and mouse, permanently connected so they can be used by an attached laptop?
- A.
Docking station
- B.
Keyboard, video, mouse (KVM) switch
- C.
Printer server
- D.
USB hub
- 75.The process by which the processor slows down to conserve power is officially called ________.
- A.
Underclocking
- B.
Cooling
- C.
Disengaging
- D.
Throttling
- 76.When replacing your laptop’s AC adapter, which of the following purchase is acceptable to obtain the same or better results?
- A.
An AC adapter with a higher voltage rating than the original
- B.
An AC adapter with a higher wattage rating than the original
- C.
An DC adapter with the same voltage rating than the original
- D.
An AC adapter with a lower voltage and wattage rating than the original
- 77.What should you do for a Li-Ion battery that appears to charge fully, but does not last as long as the battery’s meter indicates it will last?
- A.
Replace the battery
- B.
Exercise the battery
- C.
Calibrate the battery
- D.
Short the terminals to discharge the battery
- 78.How do laptop hard drives differ from desktop hard drives?
- A.
Laptop hard drive use completely different standards from those used by desktop hard drives for communication by the host
- B.
Laptop hard drive are solid state; desktop hard drive have spinning platters
- C.
Laptop hard drive require a separate power connection; desktop hard drive are powered through the drive interface
- D.
The most common form factor of a laptop hard drive is about an inch smaller than that of a desktop hard drive
- 79.Which laptop input device is a flat surface that you can slide across with your finger to control the cursor?
- A.
Touchpad
- B.
Trackball
- C.
Point stick
- D.
Mouse
- 80.Which of the following memory types has the smallest form factor?
- A.
RIMM
- B.
DIMM
- C.
MicroDIMM
- D.
SODIMM
- 81.Which voltage is applied to transfer the toner to the paper in an EP process laser printer?
- A.
+600VDC
- B.
-600VDC
- C.
+6000VDC
- D.
-6000VDC
- 82.Which types of printers are referred to as page printers, because they receive their print job instructions one page at a time? (Select all that apply.)
- A.
Daisy wheel
- B.
Dot matrix
- C.
Bubblejet
- D.
Laser
- 83.Which of the following is not an advantage of a USB printer interface?
- A.
It has a higher transfer rate than a serial connection
- B.
It has a higher transfer rate than a parallel connection
- C.
It automatically recognizes new devices
- D.
It allows the printer to communicate with networks, servers and workstations.
- 84.Which type of printers can be used with multi-part forms?
- A.
Bubble-jet printers
- B.
Laser printers
- C.
Thermal printers
- D.
Dot-matrix printers
- 85.Which step s in the EP print process uses a laser to discharge selected areas of the photosensitive drum, thus forming an image on the drum?
- A.
Writing
- B.
Transferring
- C.
Deveoping
- D.
Cleaning
- 86.Which of the following are page description languages?
- A.
Page Description Language (PDL)
- B.
PostScript
- C.
PageScript
- D.
Printer Control Language (PCL)
- 87.What voltage does the corona wire or corona roller hold?
- A.
+600VDC
- B.
-600VDC
- C.
0VDC
- D.
-100VDC
- 88.Which device in a bubble-jet printer contains the printhead?
- A.
Ink cartridge
- B.
Toner cartridge
- C.
Daisy wheel
- D.
Paper tray
- 89.What is the correct order of the steps in the EP print process?
- A.
Developing, Writing, Transferring, charging, cleaning
- B.
Charging, writing, developing, transferring, fusing, cleaning
- C.
Transferring, writing, developing, charging, cleaning, fusing
- D.
Cleaning, charging, writing, developing, transferring, fusing
- 90.Any printer that uses the electrophotographic process contains how many standard assemblies?
- A.
Five
- B.
Six
- C.
Four
- D.
Nine
- 91.What is included in the EP laser printer toner cartridge? (Choose all that apply.)
- A.
Toner
- B.
Print drum
- C.
Laser
- D.
Cartridge
- 92.What happens during the developing stage of laser printing?
- A.
An electrostatic charge is applied to the drum to attract toner particles
- B.
Heat is applied to the paper to melt the toner.
- C.
The laser creates an image of the page on the drum
- D.
An electrostatic charge as applied to the paper to attract toner particles
- 93.Which of the following are possible interfaces for printers? (Select all that apply.)
- A.
Parallel
- B.
Mouse port
- C.
Serial
- D.
Network
- 94.The basis weight is the weight in pounds of 500 sheets of bond paper for what size of paper?
- A.
8 ½ x 11 inch
- B.
11 x 17 inch
- C.
17 x 22 inch
- D.
8 ½ x 17 inch
- 95.Which printer contains a wheel that looks like a flower with raised letters and symbols on each petal?
- A.
Bubble-jet printers
- B.
Daisy wheel printers
- C.
Dot matrix printer
- D.
Laser printer
- 96.What part of a laser printer supplies the voltage for the charging and transfer corona assemblies?
- A.
High-voltage power supply (HVPS)
- B.
DC power supply (DCPS)
- C.
Controller circuitry
- D.
Transfer corona
- 97.Which printer part gets the toner from the photosensitive drum onto the paper?
- A.
Laser-scanning assembly
- B.
Fusing assembly
- C.
Corona assembly
- D.
Drum
- 98.LED page printers differ from EP process laser printers in which step?
- A.
Writing
- B.
Charging
- C.
Fusing
- D.
Cleaning
- E.
Devoping
- 99.Which step in the laser printing process occurs immediately after the writing phase?
- A.
Charging
- B.
Fusing
- C.
Transferring
- D.
Developing
- 100.Which assembly permanently presses the toner onto the paper?
- A.
Transfer corona
- B.
Fuser
- C.
Printer controller circuitry
- D.
Paper transport assembly
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