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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. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144
Input

2. Parallel devices connect to this connector.
3
DB-25
verifying data integrity.
240

3. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Serial
Redundant Array of Independant (Inexpensive) Disks.
PCIe - PCI - AGP - ESIA - and ISA
ATX - BTX - Micro ATX - ITX - NLX - and LPX

4. What are the 6 form factors of motherboards?
Hardware
ATX - BTX - Micro ATX - ITX - NLX - and LPX
9-pin serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

5. What is a Blackout?
Speaker
9-pin serial
DB-25
Power failure

6. 10Base-2 Ethernet uses this cable.
Coaxial
PS/2-style mouse
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
240

7. What does LCD stand for?
40 or 80
the CPU
Liquid Crystal Display
Complex -Instruction - Set - Chips - Used in General Purpose PCs

8. RAID 5 has at least ___ hard drives.
Random Access Memory (RAM)
4
Power failure
3

9. How many pins is a DDR DIMM?
184
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Front Side Bus.
Joystick

10. level three cache is located on _________.
Output
removable chips on the motherboard
Speaker
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

11. What does ECC stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Volatile
Error Correction Code.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

12. 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.
DB-15
CMOS
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.
Cache

13. An example of firmware.
184
BIOS
144
DB-15

14. Serial ports have this many pins.
Volatile
detects and fixes corrupt data in RAM.
verifying data integrity.
9

15. LGA stands for ______.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Line Grid Array
5.25
4

16. Networking is a specialized form of input and output that entails using media (cable) and devices (routers - switches) to link multiple computers into an interconnected unit.
Networking and Communications
detects and fixes corrupt data in RAM.
34
Firmware

17. How many pins is a SODIMM DDR2 DIMM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
RJ-45
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.
200

18. 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
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Cathode Ray Tube

19. What is a Sag?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Very brief time (milliseconds) of too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Volatile

20. How many pins is a DDR3 DIMM?
Very Brief time (milliseconds) of too much voltage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
240
Joystick

21. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
Volatile
DB-15
PCIe - PCI - AGP - ESIA - and ISA

22. What is VRAM used for?
tasks or 'Threads'
detects and fixes corrupt data in RAM.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
184

23. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
34
2048 x 1536
TRS

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

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25. How many pins is a MICRODIMM DIMM?
the CPU
184
144
Random Access Memory (RAM)

26. Spike
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
4
Very Brief time (milliseconds) of too much voltage
9-pin serial

27. Number of Pins for Drives: 4. FDD
Single Inline Memory Module - has 30 or 72 contacts on only one side.
34
Error Correction Code.
DB-25 parallel

28. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Processing
2048 x 1536
40 or 80
9-pin serial

29. External modems most commonly connect to this port.
tasks or 'Threads'
Serial
DB-15
order Boot sequence - Integrated devices - drive controllers - power supply settings

30. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Small Outline DIMM
2048 x 1536
tasks or 'Threads'

31. Printers
Networking and Communications
DB-25 parallel
ATX - BTX - Micro ATX - ITX - NLX - and LPX
5.25

32. Surge
DB-15
Too much voltage
PCIe - PCI - AGP - ESIA - and ISA
1600 x 1200

33. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Joystick
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
Processing

34. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
USB Type A
RJ-45
DB-25 parallel

35. Components from many different manufacturers are interchangeable. As long as the component meets the standards - you can be reasonably confident that it will work in the system.
1024 x 786
Standardization
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Random Access Memory (RAM)

36. A type of memory that loses data when the power is no longer supplied to the component.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Software
Volatile
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.

37. An example of a device that uses a 6-pin Mini-DIN connector.
Storage
144
Line Grid Array
PS/2-style mouse

38. XGA is ____x_____
4
1024 x 786
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Pin Grid Array

39. Internal modem or telephone
RJ-11
charged coupled device (CCD)
40 or 80
Serial

40. SCSI code is set by a 4 things - what are they?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Joystick
Redundant Array of Independant (Inexpensive) Disks.

41. PGA stands for
9
Speaker
Pin Grid Array
Radial Lines

42. SVGA is ____ x_____
BIOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
800 x 600
CMOS

43. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Storage
Front Side Bus.
5.25
Random Access Memory (RAM)

44. How many pins is a DDR2 DIMM?
Small Outline DIMM
verifying data integrity.
240
TRS

45. 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.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Coaxial
verifying data integrity.
CMOS

46. RAID stands for _________.
Standardization
Redundant Array of Independant (Inexpensive) Disks.
Pin Grid Array
charged coupled device (CCD)

47. Parity is used in some _____________ - hard drives - and RAM.
DB-25
Network communications
Output
40 or 80

48. An area of memory that holds recently-accessed data.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Cache
Storage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

49. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Speaker
Firewire 6-pin
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.
184

50. Serial mouse or external modem
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cathode Ray Tube
B-9 serial
BIOS