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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. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
1600 x 1200
Cache
Radial Lines
Firmware

2. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Very Brief time (milliseconds) of too much voltage
BIOS
ECC
240

3. RAID 5 has at least ___ hard drives.
VGA/SVGA monitor
Random Access Memory (RAM)
BIOS
3

4. Level one cache is located on ___________.
the motherboard
1600 x 1200
Liquid Crystal Display
the CPU

5. Internal modem or telephone
DB-25
RJ-11
verifying data integrity.
RJ-45

6. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Too much voltage
Storage
Front Side Bus.
DB-15

7. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
tasks or 'Threads'
Complex -Instruction - Set - Chips - Used in General Purpose PCs
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.

8. Serial mouse or external modem
Networking and Communications
3
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.
B-9 serial

9. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
BIOS
Componentization
Cathode Ray Tube
Radial Lines

10. What is VRAM used for?
144
240
240
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

11. How many pins is a DDR DIMM?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
7 or 15 (powered)
184
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.

12. Parity is used in some _____________ - hard drives - and RAM.
tasks or 'Threads'
9-pin serial
Network communications
BIOS

13. Surge
Too much voltage
USB Type A
Front Side Bus.
5.25

14. What do the type types of Hard Drive acronyms stand for?
PCIe - PCI - AGP - ESIA - and ISA
Hardware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

15. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
DB-15
Output
1024 x 786
CMOS

16. LGA stands for ______.
the CPU
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Line Grid Array
Cache

17. An example of a device that uses a TRS connector.
Standardization
CMOS
Speaker
4

18. What are the 6 form factors of motherboards?
the CPU
Very Brief time (milliseconds) of too much voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
TRS

19. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
50 - 68 - or 80
40 or 80
Too little voltage
5.25

20. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
BIOS
5.25
Error Correction Code.
Software

21. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
Too little voltage
Volatile
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.

22. What is Virtual RAM?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Radial Lines
Space on the HD that the RAM uses as an overflow area and as a backup copy of the contents in case of power failure.

23. A working PC is a combination of many different parts - also called a Field-Replaceable Unit (FRU) - can be replaced when faulty or upgraded to provide additional functionality.
Hardware
charged coupled device (CCD)
Componentization
Too little voltage

24. What is a Sag?
Standardization
Serial
BIOS
Very brief time (milliseconds) of too little voltage

25. CPUS: What is CISC?
PCIe - PCI - AGP - ESIA - and ISA
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-25
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

26. SDRAM sands for _______.
Output
the CPU
DB-25 parallel
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

27. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-15
9
Front Side Bus.

28. External modems most commonly connect to this port.
144
DB-25 parallel
Space on the HD that the RAM uses as an overflow area and as a backup copy of the contents in case of power failure.
Serial

29. Number of Pins for Drives: 4. FDD
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
34
Speaker
VGA/SVGA monitor

30. XGA is ____x_____
Redundant Array of Independant (Inexpensive) Disks.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Coaxial
1024 x 786

31. What does ECC stand for?
Small Outline DIMM
Error Correction Code.
240
Speaker

32. A temporary data storage location that can be read from and written to.
9-pin serial
ECC
the CPU
Random Access Memory (RAM)

33. Serial ports have this many pins.
Too little voltage
9
the motherboard
Volatile

34. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
Radial Lines
PCIe - PCI - AGP - ESIA - and ISA
5.25

35. Printers
184
DB-25 parallel
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Very brief time (milliseconds) of too little voltage

36. CPUs: What is RISC?
removable chips on the motherboard
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Firewire 6-pin
DB-25 parallel

37. What are the two types of RAM?
9
tasks or 'Threads'
CMOS
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

38. What is the formal name of the 'headphone jack'?
Output
Joystick
Cathode Ray Tube
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

39. An example of a device that uses a 6-pin Mini-DIN connector.
VGA/SVGA monitor
Single Inline Memory Module - has 30 or 72 contacts on only one side.
PS/2-style mouse
Space on the HD that the RAM uses as an overflow area and as a backup copy of the contents in case of power failure.

40. 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.
USB Type A
detects and fixes corrupt data in RAM.
184
DB-15

41. How many pins is a MICRODIMM DIMM?
Random Access Memory (RAM)
144
800 x 600
9

42. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
B-9 serial
removable chips on the motherboard
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

43. How many pins is a DDR3 DIMM?
Front Side Bus.
RJ-45
charged coupled device (CCD)
240

44. BIOS allows you to do 4 things - what are they?
DB-15
Error Correction Code.
order Boot sequence - Integrated devices - drive controllers - power supply settings
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.

45. SVGA is ____ x_____
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
800 x 600
9-pin serial

46. An example of firmware.
Firewire 6-pin
Space on the HD that the RAM uses as an overflow area and as a backup copy of the contents in case of power failure.
DB-25
BIOS

47. 10Base-5 Ethernet and game ports use this cable
Firmware
Small Outline DIMM
5.25
DB-15

48. An example of a device that uses a low-density (two-row) male DB-15 connector.
Cathode Ray Tube
removable chips on the motherboard
PS/2-style mouse
Joystick

49. PGA stands for
Pin 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.
7 or 15 (powered)
Random Access Memory (RAM)

50. An area of memory that holds recently-accessed data.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Cache
Power failure
Coaxial