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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. Level two cache is located on _______.
BIOS
the motherboard
Very brief time (milliseconds) of too little voltage
Front Side Bus.

2. CPUs: What is RISC?
BIOS
Line Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
CMOS

3. CPUS: What is CISC?
Output
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Software
Networking and Communications

4. 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.
Small Outline DIMM
verifying data integrity.
Line Grid Array
Coaxial

5. SDRAM sands for _______.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
CMOS
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

6. The actual speed of the CPU is governed by a _______ setting called the clock rate.
CMOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Speaker
BIOS

7. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Cathode Ray Tube
Line Grid Array
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.

8. How many pins is a DDR2 DIMM?
240
50 - 68 - or 80
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
184

9. What is the formal name of the 'headphone jack'?
Error Correction Code.
CMOS
2048 x 1536
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

10. A temporary data storage location that can be read from and written to.
DB-25
Input
Random Access Memory (RAM)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

11. level three cache is located on _________.
Componentization
7 or 15 (powered)
184
removable chips on the motherboard

12. Number of Pins for Drives: 4. FDD
DB-15
1024 x 786
34
DB-25 parallel

13. An example of a device that uses a TRS connector.
Speaker
TRS
CMOS
Too much voltage

14. What are the 4 main types of storage?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
PS/2-style mouse
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Pin Grid Array

15. An example of a device that uses a high-density (three-row) DB-15 connector.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
VGA/SVGA monitor
ATX - BTX - Micro ATX - ITX - NLX - and LPX
144

16. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
144
5.25
Input

17. What is a Sag?
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.
Firewire 6-pin
Very brief time (milliseconds) of too little voltage
Front Side Bus.

18. Surge
Too much voltage
charged coupled device (CCD)
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
184

19. What is a Blackout?
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Power failure
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.

20. 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 little voltage
Software
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Processing

21. A serial mouse connects to a computer with this connector.
240
9-pin serial
5.25
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

22. What does ECC do?
TRS
RJ-45
detects and fixes corrupt data in RAM.
184

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

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24. How many pins is a SODIMM DDR DIMM?
4
144
Pin Grid Array
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

25. PGA stands for
Cathode Ray Tube
Line Grid Array
Pin Grid Array
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

26. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
Firewire 6-pin
40 or 80
B-9 serial

27. RAID stands for _________.
200
Serial
Too little voltage
Redundant Array of Independant (Inexpensive) Disks.

28. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
ECC
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

29. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
BIOS
Front Side Bus.
40 or 80

30. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
detects and fixes corrupt data in RAM.
Output
Power failure
Hardware

31. Ethernet network
Speaker
Serial
2048 x 1536
RJ-45

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

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33. An area of memory that holds recently-accessed data.
Cache
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
5.25
50 - 68 - or 80

34. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Radial Lines
34
1600 x 1200
ECC

35. Spike
PCIe - PCI - AGP - ESIA - and ISA
RJ-11
Very Brief time (milliseconds) of too much voltage
VGA/SVGA monitor

36. An example of a device that uses a 6-pin Mini-DIN connector.
144
Componentization
PS/2-style mouse
Very brief time (milliseconds) of too little voltage

37. What do the type types of Hard Drive acronyms stand for?
PS/2-style mouse
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Output
34

38. The BIOS is stored on the _______ chip that is on the motherboard.
Speaker
CMOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
tasks or 'Threads'

39. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
charged coupled device (CCD)
Too little voltage

40. What does CRT stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Cathode Ray Tube
DB-15
1600 x 1200

41. What is Virtual RAM?
Random Access Memory (RAM)
Front Side Bus.
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.
7 or 15 (powered)

42. QXGA is ____x____
verifying data integrity.
2048 x 1536
ATX - BTX - Micro ATX - ITX - NLX - and LPX
240

43. What are the 6 form factors of motherboards?
removable chips on the motherboard
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Liquid Crystal Display
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

44. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
DB-25 parallel
RJ-11
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.
40 or 80

45. An example of a device that uses a low-density (two-row) male DB-15 connector.
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
Joystick
Front Side Bus.

46. External modems most commonly connect to this port.
Radial Lines
Serial
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
tasks or 'Threads'

47. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
order Boot sequence - Integrated devices - drive controllers - power supply settings
Hardware
DB-15
Input

48. 10Base-2 Ethernet uses this cable.
1024 x 786
Coaxial
4
verifying data integrity.

49. Internal modem or telephone
9-pin serial
Joystick
RJ-11
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

50. How many pins is a DDR3 DIMM?
Line Grid Array
240
CMOS
Firmware