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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What does SODIMM stand for?
removable chips on the motherboard
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Small Outline DIMM
TRS

2. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
charged coupled device (CCD)
DB-15
1024 x 786
CMOS

3. How many pins is a DDR DIMM?
144
184
Very Brief time (milliseconds) of too much voltage
Firewire 6-pin

4. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Very Brief time (milliseconds) of too much voltage
Software

5. Ethernet network
1600 x 1200
RJ-45
9-pin serial
order Boot sequence - Integrated devices - drive controllers - power supply settings

6. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
2048 x 1536
Redundant Array of Independant (Inexpensive) Disks.
Small Outline DIMM

7. Parity is used in some _____________ - hard drives - and RAM.
Network communications
verifying data integrity.
Firewire 6-pin
Liquid Crystal Display

8. An area of memory that holds recently-accessed data.
Line Grid Array
Cache
Standardization
1024 x 786

9. SDRAM sands for _______.
Coaxial
9
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Software

10. A type of memory that loses data when the power is no longer supplied to the component.
40 or 80
Volatile
detects and fixes corrupt data in RAM.
removable chips on the motherboard

11. What does ECC do?
CMOS
BIOS
1024 x 786
detects and fixes corrupt data in RAM.

12. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
Pin Grid Array
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
detects and fixes corrupt data in RAM.

13. What are the two types of RAM?
Coaxial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Networking and Communications
Redundant Array of Independant (Inexpensive) Disks.

14. Before sending a power supply to the recycling facility...
Line Grid Array
discharge the capacitors by touching and connecting the phase with the ground plug and then the neutral to the ground plug with an insulated screwdriver or pliers.
2048 x 1536
PCIe - PCI - AGP - ESIA - and ISA

15. RAID 5 has at least ___ hard drives.
1600 x 1200
7 or 15 (powered)
3
Network communications

16. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
BIOS
Cache
Pin Grid Array

17. Serial mouse or external modem
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Firmware
B-9 serial

18. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
9-pin serial
Networking and Communications
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

19. 10Base-5 Ethernet and game ports use this cable
DB-15
200
Liquid Crystal Display
9

20. Number of Pins for Drives: 2. SCSI
Componentization
50 - 68 - or 80
Random Access Memory (RAM)
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

21. What does LCD stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
9
Liquid Crystal Display
Random Access Memory (RAM)

22. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
BIOS
TRS
Power failure

23. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
4
Radial Lines
detects and fixes corrupt data in RAM.
240

24. What is a Brownout?
Too little voltage
detects and fixes corrupt data in RAM.
Processing
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

25. What do the type types of Hard Drive acronyms stand for?
4
Networking and Communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Zero Insertion Force. a physical interface that lets you set the CPU into the array - and then use actuate a lever to make actual contact.

26. Parallel devices connect to this connector.
VGA/SVGA monitor
tasks or 'Threads'
RJ-45
DB-25

27. An example of firmware.
144
240
240
BIOS

28. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

29. Serial ports have this many pins.
DB-15
DB-25 parallel
9
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

30. Parity is a method of ____________. It is used when the reliability of the data is more important than the speed at which it is written or read. When the data is read or received - the bytes should still be even. If not - the data is corrupt.
verifying data integrity.
Power failure
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cache

31. level three cache is located on _________.
9
removable chips on the motherboard
4
Random Access Memory (RAM)

32. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Firewire 6-pin
Speaker
charged coupled device (CCD)
800 x 600

33. SCSI code is set by a 4 things - what are they?
the motherboard
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Very Brief time (milliseconds) of too much voltage

34. A serial mouse connects to a computer with this connector.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
B-9 serial
9-pin serial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

35. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
1600 x 1200
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Input

36. What does SIMM stand for?
240
Line Grid Array
1600 x 1200
Single Inline Memory Module - has 30 or 72 contacts on only one side.

37. How many pins is a SODIMM DDR DIMM?
DB-25
144
9
Very brief time (milliseconds) of too little voltage

38. Joystick or MIDI device (game port) - High Density DB-15 - VGA/SVGA monitor - 6-pin Mini-DIN - PS/2-style keyboard or mouse - By convention - purple connectors are used for the keyboard - and green connectors are used for the mouse.
CMOS
4
DB-15
CMOS

39. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
USB Type A
DB-15
40 or 80
5.25

40. What is DVD-RAM? and how is it used?

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41. 10Base-2 Ethernet uses this cable.
Coaxial
Liquid Crystal Display
Hardware
Software

42. RAID stands for _________.
240
Pin Grid Array
Redundant Array of Independant (Inexpensive) Disks.
Storage

43. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
PCIe - PCI - AGP - ESIA - and ISA
Too much voltage
B-9 serial

44. UXGA is _____x_____
184
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1600 x 1200
B-9 serial

45. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
DB-15
tasks or 'Threads'
Processing
Storage

46. What is a Sag?
Liquid Crystal Display
PCIe - PCI - AGP - ESIA - and ISA
9
Very brief time (milliseconds) of too little voltage

47. XGA is ____x_____
1024 x 786
discharge the capacitors by touching and connecting the phase with the ground plug and then the neutral to the ground plug with an insulated screwdriver or pliers.
50 - 68 - or 80
Cache

48. An example of a device that uses a low-density (two-row) male DB-15 connector.
Line Grid Array
Software
Joystick
Power failure

49. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
B-9 serial
Very brief time (milliseconds) of too little voltage
Storage
1024 x 786

50. What does ECC stand for?
40 or 80
Error Correction Code.
TRS
USB Type A