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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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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. 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
DB-25
Very Brief time (milliseconds) of too much voltage
Input

2. Number of Pins for Drives: 3. SATA
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Cache
Small Outline DIMM
7 or 15 (powered)

3. LGA stands for ______.
40 or 80
Line Grid Array
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Componentization

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

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5. How many pins is a DDR3 DIMM?
Componentization
Speaker
Software
240

6. 10Base-2 Ethernet uses this cable.
Output
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
240
Coaxial

7. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
VGA/SVGA monitor
DB-25 parallel
Firmware

8. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Storage
detects and fixes corrupt data in RAM.
40 or 80
Radial Lines

9. 10Base-5 Ethernet and game ports use this cable
DB-15
Error Correction Code.
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.
Liquid Crystal Display

10. 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.
5.25
3
Input
Componentization

11. What is a Sag?
Random Access Memory (RAM)
ECC
Very brief time (milliseconds) of too little voltage
Cathode Ray Tube

12. How many pins is a MICRODIMM DIMM?
144
1024 x 786
240
Power failure

13. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
USB Type A
TRS
4
Front Side Bus.

14. QXGA is ____x____
2048 x 1536
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144
Cathode Ray Tube

15. SCSI code is set by a 4 things - what are they?
tasks or 'Threads'
Error Correction Code.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Standardization

16. A temporary data storage location that can be read from and written to.
DB-15
Random Access Memory (RAM)
Volatile
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.

17. What do the type types of Hard Drive acronyms stand for?
Very brief time (milliseconds) of too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
PCIe - PCI - AGP - ESIA - and ISA
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

18. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
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.
50 - 68 - or 80
DB-25

19. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Network communications
DB-25 parallel

20. 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.
Standardization
Very brief time (milliseconds) of too little voltage
184

21. SVGA is ____ x_____
Radial Lines
800 x 600
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
240

22. RAID stands for _________.
9-pin serial
Redundant Array of Independant (Inexpensive) Disks.
Storage
1600 x 1200

23. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
removable chips on the motherboard
Networking and Communications
5.25
RJ-11

24. An area of memory that holds recently-accessed data.
Cache
40 or 80
Too much voltage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

25. XGA is ____x_____
1024 x 786
CMOS
Cache
Firmware

26. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
34
the motherboard
Processing
Error Correction Code.

27. Level two cache is located on _______.
VGA/SVGA monitor
the motherboard
Hardware
TRS

28. The actual speed of the CPU is governed by a _______ setting called the clock rate.
DB-25 parallel
CMOS
the motherboard
BIOS

29. An example of firmware.
Very brief time (milliseconds) of too little voltage
BIOS
1024 x 786
CMOS

30. level three cache is located on _________.
Storage
Volatile
DB-15
removable chips on the motherboard

31. What is Virtual RAM?
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.
Too little voltage
Front Side Bus.

32. What does SODIMM stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
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.
Small Outline DIMM

33. Number of Pins for Drives: 2. SCSI
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cache
Front Side Bus.
50 - 68 - or 80

34. Serial ports have this many pins.
USB Type A
Volatile
144
9

35. What does CRT stand for?
Storage
the motherboard
Too much voltage
Cathode Ray Tube

36. External modems most commonly connect to this port.
4
1024 x 786
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Serial

37. What are the 4 main types of storage?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Firewire 6-pin
Software

38. What are the two types of RAM?
Firewire 6-pin
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
PCIe - PCI - AGP - ESIA - and ISA
DB-15

39. An example of a device that uses a 6-pin Mini-DIN connector.
Cathode Ray Tube
PS/2-style mouse
Line Grid Array
Error Correction Code.

40. How many pins is a SODIMM DDR2 DIMM?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
200
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS

41. What does SIMM stand for?
40 or 80
TRS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Output

42. Serial mouse or external modem
the CPU
Line Grid Array
240
B-9 serial

43. Ethernet network
Input
Too little voltage
RJ-45
verifying data integrity.

44. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
CMOS
Componentization
ECC

45. How many pins is a DDR2 DIMM?
RJ-45
240
tasks or 'Threads'
PCIe - PCI - AGP - ESIA - and ISA

46. What does RIMM stand for?
detects and fixes corrupt data in RAM.
DB-25 parallel
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
BIOS

47. CPUS: What is CISC?
1024 x 786
Complex -Instruction - Set - Chips - Used in General Purpose PCs
B-9 serial
detects and fixes corrupt data in RAM.

48. 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.
verifying data integrity.
Hardware
Pin Grid Array
Very brief time (milliseconds) of too little voltage

49. An example of a device that uses a high-density (three-row) DB-15 connector.
CMOS
VGA/SVGA monitor
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Cache

50. What does LCD stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
200
Liquid Crystal Display
the CPU

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Comptia A +: Hardware

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