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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. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
DB-15
CMOS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Software

2. LGA stands for ______.
144
detects and fixes corrupt data in RAM.
Line Grid Array
5.25

3. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
2048 x 1536
PCIe - PCI - AGP - ESIA - and ISA
Too little voltage
Volatile

4. What is a Brownout?
Too little voltage
RJ-11
TRS
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

5. An example of a device that uses a TRS connector.
240
the motherboard
Very Brief time (milliseconds) of too much voltage
Speaker

6. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
50 - 68 - or 80
Firewire 6-pin
verifying data integrity.
TRS

7. External modems most commonly connect to this port.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Serial
DB-15
Liquid Crystal Display

8. What does LCD stand for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
BIOS
Power failure
Liquid Crystal Display

9. BIOS allows you to do 4 things - what are they?
verifying data integrity.
order Boot sequence - Integrated devices - drive controllers - power supply settings
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Cathode Ray Tube

10. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
144
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS

11. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
144
Cathode Ray Tube
Power failure

12. CPUs: What is RISC?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
7 or 15 (powered)
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

13. SVGA is ____ x_____
DB-15
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Hardware
800 x 600

14. An example of a device that uses a high-density (three-row) DB-15 connector.
Volatile
BIOS
VGA/SVGA monitor
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

15. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
CMOS
2048 x 1536
ECC

16. XGA is ____x_____
Very brief time (milliseconds) of too little voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Coaxial
1024 x 786

17. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
Too little voltage
detects and fixes corrupt data in RAM.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

18. Serial mouse or external modem
34
B-9 serial
Very Brief time (milliseconds) of too much voltage
Too much voltage

19. Spike
Very Brief time (milliseconds) of too much voltage
Random Access Memory (RAM)
1024 x 786
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

20. Printers
DB-25 parallel
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.
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.

21. A type of memory that loses data when the power is no longer supplied to the component.
Small Outline DIMM
Volatile
Very Brief time (milliseconds) of too much voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

22. RAID 5 has at least ___ hard drives.
Storage
1600 x 1200
3
Power failure

23. Surge
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
DB-15
Networking and Communications
Too much voltage

24. What does CRT stand for?
Software
Joystick
Cathode Ray Tube
USB Type A

25. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Componentization
PCIe - PCI - AGP - ESIA - and ISA
Pin Grid Array

26. Parallel devices connect to this connector.
VGA/SVGA monitor
ECC
charged coupled device (CCD)
DB-25

27. Number of Pins for Drives: 2. SCSI
1024 x 786
50 - 68 - or 80
Speaker
Hardware

28. How many pins is a SODIMM DDR2 DIMM?
Pin Grid Array
200
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
PCIe - PCI - AGP - ESIA - and ISA

29. ZIF stands for ______.
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.
Very brief time (milliseconds) of too little voltage
34

30. What are the two types of RAM?
5.25
9-pin serial
Coaxial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

31. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Storage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Hardware

32. level three cache is located on _________.
PS/2-style mouse
removable chips on the motherboard
Line Grid Array
3

33. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Liquid Crystal Display
40 or 80
Radial Lines
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.

34. What do the type types of Hard Drive acronyms stand for?
Storage
Error Correction Code.
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

35. 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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
verifying data integrity.
200
Standardization

36. SCSI code is set by a 4 things - what are they?
removable chips on the motherboard
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Processing
5.25

37. An example of a device that uses a low-density (two-row) male DB-15 connector.
Componentization
Joystick
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Speaker

38. The BIOS is stored on the _______ chip that is on the motherboard.
RJ-45
CMOS
the CPU
RJ-11

39. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
B-9 serial
Random Access Memory (RAM)
charged coupled device (CCD)
Componentization

40. Multiple core allow the PC to simultaneously process multiple ______.

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41. UXGA is _____x_____
Very Brief time (milliseconds) of too much voltage
184
1600 x 1200
4

42. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
PS/2-style mouse
the CPU
Software

43. What are the 4 main types of storage?
PS/2-style mouse
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Componentization

44. 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
the CPU
DB-15
DB-25 parallel

45. 10Base-2 Ethernet uses this cable.
1024 x 786
TRS
Coaxial
Liquid Crystal Display

46. Number of Pins for Drives: 3. SATA
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
BIOS
7 or 15 (powered)
RJ-45

47. What does ECC do?
detects and fixes corrupt data in RAM.
9
TRS
Too much voltage

48. An area of memory that holds recently-accessed data.
Front Side Bus.
Cache
Coaxial
1024 x 786

49. How many pins is a MICRODIMM DIMM?
Very Brief time (milliseconds) of too much voltage
144
Networking and Communications
CMOS

50. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
verifying data integrity.
Radial Lines
9