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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. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Error Correction Code.
5.25
tasks or 'Threads'

2. ZIF stands for ______.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
144
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.
Random Access Memory (RAM)

3. What is Virtual RAM?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Output
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.
Software

4. Spike
1600 x 1200
Line Grid Array
Very Brief time (milliseconds) of too much voltage
800 x 600

5. What is a Blackout?
1600 x 1200
Power failure
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-15

6. SCSI code is set by a 4 things - what are they?
Liquid Crystal Display
PS/2-style mouse
4
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

7. What is a Sag?
Very brief time (milliseconds) of too little voltage
Speaker
40 or 80
Componentization

8. QXGA is ____x____
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
2048 x 1536
5.25

9. Serial mouse or external modem
B-9 serial
144
40 or 80
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

10. What does SODIMM stand 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.
Network communications
Small Outline DIMM
BIOS

11. 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
removable chips on the motherboard
DB-25 parallel
Firewire 6-pin

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.
Storage
removable chips on the motherboard
DB-15
Power failure

13. External modems most commonly connect to this port.
Serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Cache
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

14. An area of memory that holds recently-accessed data.
CMOS
RJ-11
Cache
9

15. What is VRAM used for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Network communications

16. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Very brief time (milliseconds) of too little voltage
1024 x 786
Componentization

17. 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
Random Access Memory (RAM)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-25 parallel

18. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
144
CMOS
charged coupled device (CCD)
34

19. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Software
DB-25
Very brief time (milliseconds) of too little voltage

20. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Volatile
ECC
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.

21. An example of a device that uses a low-density (two-row) male DB-15 connector.
TRS
Joystick
Liquid Crystal Display
Output

22. What does ECC stand for?
Error Correction Code.
Too much voltage
800 x 600
the CPU

23. Number of Pins for Drives: 4. FDD
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Random Access Memory (RAM)
Too little voltage
34

24. XGA is ____x_____
1024 x 786
Cathode Ray Tube
240
order Boot sequence - Integrated devices - drive controllers - power supply settings

25. Parity is used in some _____________ - hard drives - and RAM.
Too little voltage
Network communications
Firewire 6-pin
200

26. CPUS: What is CISC?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
4
Complex -Instruction - Set - Chips - Used in General Purpose PCs
removable chips on the motherboard

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

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28. Number of Pins for Drives: 2. SCSI
240
50 - 68 - or 80
Redundant Array of Independant (Inexpensive) Disks.
the motherboard

29. How many pins is a DDR DIMM?
PCIe - PCI - AGP - ESIA - and ISA
Componentization
charged coupled device (CCD)
184

30. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
Too much voltage
Volatile
Firewire 6-pin

31. What are the 6 form factors of motherboards?
Line Grid Array
Componentization
3
ATX - BTX - Micro ATX - ITX - NLX - and LPX

32. How many pins is a MICRODIMM DIMM?
Firewire 6-pin
DB-15
ATX - BTX - Micro ATX - ITX - NLX - and LPX
144

33. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
BIOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Radial Lines

34. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
verifying data integrity.
Hardware
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Input

35. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
DB-15
Speaker
Coaxial

36. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
tasks or 'Threads'
USB Type A
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
charged coupled device (CCD)

37. What does ECC do?
PCIe - PCI - AGP - ESIA - and ISA
USB Type A
9
detects and fixes corrupt data in RAM.

38. An example of a device that uses a high-density (three-row) DB-15 connector.
VGA/SVGA monitor
Firmware
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

39. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Firewire 6-pin
Too little voltage
Output
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

40. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
9-pin serial
Radial Lines
tasks or 'Threads'
1024 x 786

41. 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.
Power failure
RJ-45
charged coupled device (CCD)
Componentization

42. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
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.
4
ECC
charged coupled device (CCD)

43. Surge
34
Firmware
Too much voltage
144

44. What do the type types of Hard Drive acronyms stand for?
240
4
Very Brief time (milliseconds) of too much voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

45. RAID 5 has at least ___ hard drives.
Pin Grid Array
Very Brief time (milliseconds) of too much voltage
3
Serial

46. Serial ports have this many pins.
9
Too much voltage
BIOS
Cache

47. level three cache is located on _________.
Very Brief time (milliseconds) of too much voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
removable chips on the motherboard
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

48. Internal modem or telephone
DB-25 parallel
Too little voltage
RJ-11
Serial

49. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
Coaxial
Input
CMOS

50. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Standardization
4
CMOS
Line Grid Array