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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. QXGA is ____x____
Joystick
1600 x 1200
2048 x 1536
BIOS

2. An example of a device that uses a TRS connector.
50 - 68 - or 80
Speaker
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Redundant Array of Independant (Inexpensive) Disks.

3. A type of memory that loses data when the power is no longer supplied to the component.
charged coupled device (CCD)
Volatile
Too much voltage
Standardization

4. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
40 or 80
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.

5. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Front Side Bus.
Speaker
B-9 serial
Input

6. 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
Volatile
Storage
Line Grid Array

7. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
5.25
order Boot sequence - Integrated devices - drive controllers - power supply settings
9-pin serial

8. LGA stands for ______.
Network communications
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25 parallel
Line Grid Array

9. Internal modem or telephone
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
RJ-11
Output

10. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Cathode Ray Tube
240
TRS
the CPU

11. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
800 x 600
Radial Lines
144
5.25

12. What is a Brownout?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too little voltage
Error Correction Code.
Serial

13. A temporary data storage location that can be read from and written to.
Radial Lines
5.25
Random Access Memory (RAM)
PCIe - PCI - AGP - ESIA - and ISA

14. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
removable chips on the motherboard
Too much voltage
CMOS
Output

15. 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)
Cathode Ray Tube
verifying data integrity.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Software

16. Parallel devices connect to this connector.
Too much voltage
DB-25
240
removable chips on the motherboard

17. 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.
B-9 serial
verifying data integrity.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

18. Ethernet network
RJ-45
184
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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

19. How many pins is a DDR3 DIMM?
Radial Lines
Error Correction Code.
verifying data integrity.
240

20. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Random Access Memory (RAM)
4
Storage
Componentization

21. How many pins is a SODIMM DDR2 DIMM?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
200
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
34

22. An example of a device that uses a low-density (two-row) male DB-15 connector.
the motherboard
2048 x 1536
Joystick
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

23. RAID stands for _________.
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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
50 - 68 - or 80
Redundant Array of Independant (Inexpensive) Disks.

24. ZIF stands for ______.
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.
tasks or 'Threads'
Power failure
DB-15

25. An example of a device that uses a high-density (three-row) DB-15 connector.
Software
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
VGA/SVGA monitor
removable chips on the motherboard

26. What is VRAM used for?
Network communications
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Storage
order Boot sequence - Integrated devices - drive controllers - power supply settings

27. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
ECC
4
7 or 15 (powered)
CMOS

28. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Front Side Bus.
1024 x 786
4

29. Before sending a power supply to the recycling facility...
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.
Power failure
CMOS
Cathode Ray Tube

30. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Very Brief time (milliseconds) of too much voltage
Processing
Liquid Crystal Display
144

31. What does LCD stand for?
Liquid Crystal Display
4
Firmware
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

32. BIOS allows you to do 4 things - what are they?
800 x 600
order Boot sequence - Integrated devices - drive controllers - power supply settings
verifying data integrity.
4

33. CPUS: What is CISC?
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
34
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

34. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
BIOS
Front Side Bus.
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.
PCIe - PCI - AGP - ESIA - and ISA

35. Number of Pins for Drives: 2. SCSI
Power failure
3
9-pin serial
50 - 68 - or 80

36. 10Base-5 Ethernet and game ports use this cable
DB-15
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
the motherboard
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

37. RAID 5 has at least ___ hard drives.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
3
40 or 80
RJ-11

38. What does ECC stand for?
Software
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Error Correction Code.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

39. An example of a device that uses a 6-pin Mini-DIN connector.
CMOS
800 x 600
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
PS/2-style mouse

40. What is Virtual RAM?
Joystick
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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
184

41. What is a Blackout?
CMOS
CMOS
Power failure
RJ-11

42. SVGA is ____ x_____
800 x 600
Hardware
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.
1024 x 786

43. What are the two types of RAM?
RJ-11
184
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Hardware

44. An area of memory that holds recently-accessed data.
ECC
Cache
the CPU
Small Outline DIMM

45. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Random Access Memory (RAM)
Too much voltage
Software

46. 10Base-2 Ethernet uses this cable.
CMOS
Firmware
USB Type A
Coaxial

47. level three cache is located on _________.
PS/2-style mouse
Too much voltage
144
removable chips on the motherboard

48. UXGA is _____x_____
Hardware
order Boot sequence - Integrated devices - drive controllers - power supply settings
1600 x 1200
Componentization

49. Printers
Joystick
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-25 parallel
ECC

50. How many pins is a MICRODIMM DIMM?
Software
144
Random Access Memory (RAM)
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.