Hardest Trivia Quiz On CompTIA A+ Certification Test!
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
Correct Answer
A. Motherboard -
- 2.
Which packaging is used for DDR SDRAM memory?
- A.
168—pin DIMM
- B.
72—pin SIMM
- C.
184—pin DIMM
- D.
RIMM
Correct Answer
C. 184—pin DIMM -
- 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
Correct Answer
B. DDR3—2000 -
- 4.
Which motherboard design style is most widely implemented?
- A.
ATX
- B.
AT
- C.
Baby AT
- D.
NLX
Correct Answer
A. ATX -
- 5.
Which motherboard socket type is used on the Pentium 4 chip?
- A.
Slot 1
- B.
Socket A
- C.
Socket 370
- D.
Socket 478
Correct Answer
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
Correct Answer
B. ZIF -
- 7.
Which of the following is not controlled by the Northbridge?
- A.
PCIe
- B.
SATA
- C.
AGP
- D.
Cache memory
Correct Answer
B. SATA -
- 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
Correct Answer
A. Hard Drive -
- 9.
Which motherboard socket type is used with the AMD Athlon XP?
- A.
Slot 1
- B.
Socket A
- C.
Socket 370
- D.
Socket 478
Correct Answer
B. Socket A -
- 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
Correct Answer
A. Mini DIN 6 -
- 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
Correct Answer(s)
A. 168
C. 184
E. 240 -
- 12.
What is the maximum speed of USB 2.0 in Mbps?
- A.
1.5
- B.
12
- C.
60
- D.
480
Correct Answer
D. 480 -
- 13.
Which of the following standards are specified by IEEE 1284? (Choose two.)
- A.
SPP
- B.
RS 232
- C.
EPP
- D.
ECP
Correct Answer(s)
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
Correct Answer
C. IEEE 1394 -
- 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
Correct Answer
B. USB 1.1 -
- 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
Correct Answer
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
Correct Answer
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
Correct Answer
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
Correct Answer
D. DIMM -
- 20.
What type of expansion slot is preferred today for high-performance graphics adapters?
- A.
AGP
- B.
PCIe
- C.
PCI
- D.
ISA
Correct Answer
B. PCIe -
- 21.
What is the physical component where data are stored in a HDD?
- A.
Read / Write head
- B.
Platter
- C.
Sector
- D.
Cluster
Correct Answer
B. Platter -
- 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
Correct Answer
A. Drive interface -
- 23.
What is the largest NTFS volume size supported by Windows XP
- A.
256 Gb
- B.
2 Tb
- C.
128 Tb
- D.
256 Tb
Correct Answer
B. 2 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
Correct Answer
C. Solid state -
- 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
Correct Answer
C. 1.44 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
Correct Answer
B. Single sided, single-layer Blu-ray disc -
- 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
Correct Answer
A. Hard drive -
- 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
Correct Answer
C. AC in, DC 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
Correct Answer(s)
A. +3.3
C. +5VDC / -5VDC
D. +12VDC / -12VDC -
- 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
Correct Answer
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
Correct Answer
B. Biometric device -
- 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
Correct Answer
A. Tape -
- 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
Correct Answer
C. MIDI -
- 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
Correct Answer
B. A video capture card -
- 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
Correct Answer
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
Correct Answer
C. Communications -
- 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
Correct Answer
B. I/O -
- 38.
What type of adapter has an RJ-11 jack built in?
- A.
Modem
- B.
Video
- C.
Sound
- D.
NIC
Correct Answer
A. Modem -
- 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
Correct Answer
C. Trackball -
- 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
Correct Answer
A. Wattage -
- 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
Correct Answer
C. LCD -
- 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
Correct Answer
B. Dot pitch -
- 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.
Correct Answer
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
Correct Answer
B. LCDs are preferred to CRTs because they can display a larger range of resolution -
- 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
Correct Answer
A. The graphics adapter does not have enough memory installed -
- 46.
Which video technology has a resolution of 1280 x 1024?
- A.
SVGA
- B.
SXGA
- C.
WSXGA
- D.
UXGA
Correct Answer
B. SXGA -
- 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
Correct Answer
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
Correct Answer
A. The ratio of luminance between the darkest and lightest colors that can be displayed -
- 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
Correct Answer
C. HDMI -
- 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
Correct Answer
C. You wouldn’t interconnect those two interfaces -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 18, 2022Quiz Edited by
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Mar 24, 2010Quiz Created by
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