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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. What does CRT stand for?
CMOS
BIOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cathode Ray Tube

2. External modems most commonly connect to this port.
order Boot sequence - Integrated devices - drive controllers - power supply settings
9
Hardware
Serial

3. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
USB Type A
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
RJ-45

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

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5. 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)
Software
detects and fixes corrupt data in RAM.
B-9 serial
Front Side Bus.

6. An example of a device that uses a 6-pin Mini-DIN connector.
Line Grid Array
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.
PS/2-style mouse
Redundant Array of Independant (Inexpensive) Disks.

7. What are the 4 main types of storage?
Coaxial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Single Inline Memory Module - has 30 or 72 contacts on only one side.
144

8. How many pins is a MICRODIMM DIMM?
Redundant Array of Independant (Inexpensive) Disks.
5.25
Serial
144

9. Number of Pins for Drives: 4. FDD
CMOS
4
34
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

10. Level two cache is located on _______.
the motherboard
Radial Lines
USB Type A
1600 x 1200

11. level three cache is located on _________.
removable chips on the motherboard
Error Correction Code.
Random Access Memory (RAM)
VGA/SVGA monitor

12. An area of memory that holds recently-accessed data.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Cache
1600 x 1200
BIOS

13. What is the formal name of the 'headphone jack'?
Output
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
order Boot sequence - Integrated devices - drive controllers - power supply settings
Input

14. Number of Pins for Drives: 2. SCSI
5.25
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.
50 - 68 - or 80
40 or 80

15. The BIOS is stored on the _______ chip that is on the motherboard.
DB-25 parallel
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
Standardization

16. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
BIOS
ECC
CMOS

17. What does SODIMM stand for?
240
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Small Outline DIMM
3

18. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
184
Network communications
Serial

19. What are the 6 form factors of motherboards?
Processing
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-25 parallel
PCIe - PCI - AGP - ESIA - and ISA

20. An example of a device that uses a TRS connector.
Speaker
Network communications
Coaxial
removable chips on the motherboard

21. How many pins is a DDR2 DIMM?
240
50 - 68 - or 80
Input
Speaker

22. How many pins is a SODIMM DDR DIMM?
Coaxial
Serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
144

23. What does ECC stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
RJ-45
240
Error Correction Code.

24. What is a Brownout?
BIOS
40 or 80
Too little voltage
Firewire 6-pin

25. What does LCD stand for?
Liquid Crystal Display
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
CMOS
Speaker

26. 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.
DB-25
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the motherboard

27. Printers
Output
BIOS
Very Brief time (milliseconds) of too much voltage
DB-25 parallel

28. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
RJ-45
4
verifying data integrity.
the CPU

29. Parallel devices connect to this connector.
Pin Grid Array
DB-25
Error Correction Code.
Joystick

30. BIOS allows you to do 4 things - what are they?
CMOS
Firmware
BIOS
order Boot sequence - Integrated devices - drive controllers - power supply settings

31. UXGA is _____x_____
Network communications
1600 x 1200
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-25 parallel

32. A temporary data storage location that can be read from and written to.
Storage
Random Access Memory (RAM)
Cathode Ray Tube
Too little voltage

33. What is Virtual RAM?
Too much 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.
tasks or 'Threads'
40 or 80

34. RAID 5 has at least ___ hard drives.
Pin Grid Array
4
3
Front Side Bus.

35. What are the two types of RAM?
Input
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
7 or 15 (powered)
34

36. What is a Blackout?
Very brief time (milliseconds) of too little voltage
VGA/SVGA monitor
1600 x 1200
Power failure

37. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
1600 x 1200
3
5.25
40 or 80

38. CPUS: What is CISC?
the motherboard
Error Correction Code.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS

39. Ethernet network
240
2048 x 1536
5.25
RJ-45

40. CPUs: What is RISC?
240
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Front Side Bus.
Coaxial

41. Serial ports have this many pins.
VGA/SVGA monitor
9
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
3

42. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Volatile
detects and fixes corrupt data in RAM.
5.25

43. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
USB Type A
B-9 serial
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

44. RAID stands for _________.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Very Brief time (milliseconds) of too much voltage
Redundant Array of Independant (Inexpensive) Disks.
CMOS

45. What does ECC do?
3
Very Brief time (milliseconds) of too much voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
detects and fixes corrupt data in RAM.

46. 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
VGA/SVGA monitor
Storage
the CPU

47. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Power failure
CMOS
Network communications

48. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Serial
5.25
1600 x 1200
9

49. LGA stands for ______.
VGA/SVGA monitor
RJ-45
Line Grid Array
Speaker

50. QXGA is ____x____
tasks or 'Threads'
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.
2048 x 1536
144