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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. Number of Pins for Drives: 4. FDD
34
40 or 80
Very brief time (milliseconds) of too little voltage
ECC

2. SVGA is ____ x_____
800 x 600
4
Error Correction Code.
Processing

3. 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
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Random Access Memory (RAM)
Software

4. Internal modem or telephone
144
RJ-11
9-pin serial
CMOS

5. QXGA is ____x____
Very brief time (milliseconds) of too little voltage
Processing
2048 x 1536
charged coupled device (CCD)

6. The BIOS is stored on the _______ chip that is on the motherboard.
CMOS
9-pin serial
DB-25
200

7. What is the formal name of the 'headphone jack'?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
1600 x 1200
Liquid Crystal Display

8. Parity is used in some _____________ - hard drives - and RAM.
1024 x 786
Joystick
40 or 80
Network communications

9. XGA is ____x_____
7 or 15 (powered)
Very brief time (milliseconds) of too little voltage
1024 x 786
144

10. Surge
Firewire 6-pin
Radial Lines
Too much voltage
40 or 80

11. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Power failure

12. 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.
DB-15
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.
PS/2-style mouse
verifying data integrity.

13. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Too little voltage
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.
4

14. What does ECC stand for?
Error Correction Code.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
removable chips on the motherboard

15. What does SIMM stand for?
50 - 68 - or 80
tasks or 'Threads'
VGA/SVGA monitor
Single Inline Memory Module - has 30 or 72 contacts on only one side.

16. Number of Pins for Drives: 2. SCSI
the CPU
Storage
240
50 - 68 - or 80

17. What are the two types of RAM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
USB Type A
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

18. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
verifying data integrity.
Front Side Bus.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Radial Lines

19. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Coaxial
7 or 15 (powered)
240
Firmware

20. Serial mouse or external modem
TRS
B-9 serial
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Networking and Communications

21. ZIF stands for ______.
Componentization
BIOS
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.

22. How many pins is a MICRODIMM DIMM?
144
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
3

23. Ethernet network
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.
RJ-45
Componentization

24. Level two cache is located on _______.
CMOS
the motherboard
Speaker
Serial

25. RAID 5 has at least ___ hard drives.
charged coupled device (CCD)
50 - 68 - or 80
3
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

26. How many pins is a DDR3 DIMM?
34
Liquid Crystal Display
DB-15
240

27. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Storage
Pin Grid Array
CMOS

28. 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.
Componentization
3
Power failure
removable chips on the motherboard

29. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
PS/2-style mouse
VGA/SVGA monitor
144

30. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Small Outline DIMM
Cache
Firewire 6-pin
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

31. CPUs: What is RISC?
B-9 serial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1600 x 1200
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

32. How many pins is a DDR2 DIMM?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
order Boot sequence - Integrated devices - drive controllers - power supply settings
Componentization
240

33. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Firewire 6-pin
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.
2048 x 1536
BIOS

34. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
1600 x 1200
Serial
Small Outline DIMM

35. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
ATX - BTX - Micro ATX - ITX - NLX - and LPX
184
Single Inline Memory Module - has 30 or 72 contacts on only one side.

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

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37. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
5.25
Processing
Standardization
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.

38. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
PCIe - PCI - AGP - ESIA - and ISA
Output
5.25
verifying data integrity.

39. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Front Side Bus.
1600 x 1200
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.
USB Type A

40. What does ECC do?
200
50 - 68 - or 80
detects and fixes corrupt data in RAM.
1024 x 786

41. UXGA is _____x_____
144
1600 x 1200
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.
DB-25 parallel

42. What is Virtual RAM?
the motherboard
Front Side Bus.
CMOS
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.

43. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Very brief time (milliseconds) of too little voltage
1600 x 1200
PCIe - PCI - AGP - ESIA - and ISA

44. How many pins is a SODIMM DDR DIMM?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
144
Output
7 or 15 (powered)

45. What is a Blackout?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
VGA/SVGA monitor
Power failure
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

46. PGA stands for
tasks or 'Threads'
Too much voltage
Pin Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

47. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
184
Too little voltage
Hardware
Too much voltage

48. BIOS allows you to do 4 things - what are they?
Line Grid Array
the motherboard
Hardware
order Boot sequence - Integrated devices - drive controllers - power supply settings

49. 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)
Line Grid Array
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
detects and fixes corrupt data in RAM.
Software

50. How many pins is a SODIMM DDR2 DIMM?
CMOS
144
B-9 serial
200