A+ Certification : 1.0 Identifying PC Components (Essentials)
Test your knowledge with Identifying PC components.
Questions and Answers
- 1.
Which computer component contains all the circuitry necessary for all components or devices to communicate with each other?
- A.
Motherboard
- B.
Adapter card
- C.
Hard drive
- D.
Expansion bus
Correct Answer
A. MotherboardExplanation
The spine of the computer is the system board, otherwise known as the motherboard.Rate this question:
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- 2.
Which packaging is used for DDR SDRAM memory?
- A.
DIP
- B.
SIMM
- C.
DIMM
- D.
RIMM
Correct Answer
C. DIMMExplanation
DDR SDRAM is manufactured on a DIMM. DIP's are the original chips that memory was delivered in. The SIMM is the predecessor to the DIMM, on which DDR was never deployed. RIMM is the Rambus proprietary competitor for the DIMM that carries RDRAM instead of SDRAM.Rate this question:
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- 3.
What technology is used in the original-style monitor?
- A.
Video Display Unit
- B.
CRT
- C.
LCD
- D.
Optical Display Unit
Correct Answer
B. CRTExplanation
A cathode-ray tube, or CRT, is the technology used in the original televisions and computer monitors.Rate this question:
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- 4.
Which motherboard design style is the most popular?
- A.
ATX
- B.
AT
- C.
Baby AT
- D.
NLX
Correct Answer
A. ATXExplanation
Although all motherboard design styles listed are in use today, the ATX motherboard style (and its derivatives) is the most popular design.Rate this question:
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- 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 478Explanation
Most Pentium 4 chips use the Socket 478 motherboard CPU socket.Rate this question:
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- 6.
What is the official name for the IDE/EIDE family of drive interfaces?
- A.
SCSI
- B.
ATA
- C.
SATA
- D.
TAT
Correct Answer
B. ATAExplanation
Although these drives and the interfaces have become known as IDE and EIDE, the official name for the technology is ATA.Rate this question:
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- 7.
Which is another term for the motherboard?
- A.
A fiberglass board
- B.
A planar board
- C.
A bus system
- D.
An IBM system board XR125
Correct Answer
B. A planar boardExplanation
The spine of the computer is the system board, otherwise known as the motherboard and less commonly referred to as the planar board.Rate this question:
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- 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 driveExplanation
A hard drive stores data on a magnetic medium, which does not lose its information after the power is removed, and which can be repeatedly written to and erased.Rate this question:
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- 9.
Which motherboard socket type is used with AMD Athlon XP?
- A.
Slot 1
- B.
Socket A
- C.
Socket 370
- D.
Socket 478
Correct Answer
B. Socket AExplanation
The Socket A motherboard socket is used primarily with AMD processors, including the Athlon XP.Rate this question:
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- 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.
RJ-11
- B.
DE9
- C.
DIN 5
- D.
Mini-DIN 6
Correct Answer
D. Mini-DIN 6Explanation
A PS/2 port is also known as a mini-DIN 6 connector.Rate this question:
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- 11.
What are the five voltages produced by a common PCs power supply? (Choose all that apply.)
- A.
+3.3VDC, +5VDC, -5VDC, +12VDC, -12VDC
- B.
-3.3VDC, +3.3VDC, -5VDC, -12VDC, -100VDC
- C.
+3.3VDC, -5VDC. -12VDC. +12VDC. 100VDC
- D.
-3.3VDC, +5VDC, -5VDC, -12VDC, +12VDC
Correct Answer
A. +3.3VDC, +5VDC, -5VDC, +12VDC, -12VDCExplanation
A common PC's power supply produces five voltages: +3.3VDC, +5VDC, -5VDC, +12VDC, and -12VDC. These voltages are necessary to power different components of the computer, such as the motherboard, hard drive, and peripherals. The +3.3VDC and +5VDC are used for low-power components, while the +12VDC is used for high-power components like the CPU and graphics card. The -5VDC and -12VDC are less commonly used, but still necessary for certain legacy devices.Rate this question:
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- 12.
What is the maximum speed of USB 2.0 in Mbps?
- A.
1.5
- B.
12
- C.
60
- D.
480
Correct Answer
D. 480Explanation
The USB 2.0 spec provides for a maximum speed of 480 megabits per second (Mbps-not megabytes per second, or MBps)Rate this question:
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- 13.
If you wanted to connect a LapLink cable (a parallel data transfer cable) so that you could upload and download files from a computer, which type of parallel port(s) could handle this application? (Choose all that apply.)
- A.
Standard
- B.
Bidirectional
- C.
EPP
- D.
ECP
Correct Answer(s)
B. Bidirectional
C. EPP
D. ECPExplanation
Bidirectional parallel ports can both transmit and receive data. An ECP was designed to transfer data at high speeds. EPP parallel ports provide for greater transfer speeds and the ability to send memory addresses as well as data through a parallel port. The standard parallel port only transmit data out of the computer. It cannot receive data.Rate this question:
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- 14.
What peripheral port type was originally developed by Apple and is currently primarily used for digital video transfers?
- A.
DVD
- B.
USB
- C.
IEEE 1394
- D.
IEEE 1284
Correct Answer
C. IEEE 1394Explanation
The 1394 standard provides for greater data transfer speeds and the ability to send memory addresses as well as data through a serial port.Rate this question:
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- 15.
What peripheral port type is expandable using a hub, operates at 1.5MBps, and is used to connect various devices (from printers to cameras) to PCs?
- A.
DVD 1.0
- B.
USB
- C.
IEEE 1394
- D.
IEEE 1284
Correct Answer
B. USBExplanation
USBs are used to connect multiple peripherals to one computer through a single port. They support data transfer rates as high as 1.5MBps (for UBS 1.0, which is the option listed)Rate this question:
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- 16.
Which motherboard form factor places expansion slots on a special riser card and is used in low-profile PCs?
- A.
AT
- B.
Baby AT
- C.
ATX
- D.
NLX
Correct Answer
D. NLXExplanation
The NLX form factor places expansion slots on a special riser card and is used in low-profile PCs.Rate this question:
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- 17.
Which Intel processor type(s) use the SEC when installed into a motherboard? (Choose all that apply.)
- A.
AMD Athlon
- B.
486
- C.
Pentium
- D.
Pentium II
Correct Answer
D. Pentium IIExplanation
The unique thing about the Pentium II is that is uses a Single Edge Connector (SEC) to attach to the motherboard instead of the standard PGA package.Rate this question:
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- 18.
Which of the following can a DVD-ROM store in addition to movies? (Choose all that apply.)
- A.
Audio files
- B.
Word documents
- C.
Digital photos
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The DVD-ROM can store many types of data as well as movies. In the computer world, data can be audio files, Word documents, digital photos, and many other things.Rate this question:
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- 19.
What type of expansion slot is almost always used for high-speed, 3D graphics video card?
- A.
USB
- B.
AGP
- C.
PCI
- D.
ISA
Correct Answer
B. AGPExplanation
Although technically PCI and ISA could be used for video adapters, AGP was specifically designed for the use of high-speed, 3D graphics video cards.Rate this question:
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Mar 22, 2023Quiz Edited by
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Jan 24, 2009Quiz Created by
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