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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. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Networking and Communications
5.25
ECC
240

2. An example of firmware.
Radial Lines
Hardware
BIOS
CMOS

3. What is Virtual RAM?
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.
Processing
Hardware
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. How many pins is a DDR2 DIMM?
Storage
240
CMOS
Firewire 6-pin

5. How many pins is a SODIMM DDR DIMM?
CMOS
200
VGA/SVGA monitor
144

6. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Firmware
Software
Serial

7. How many pins is a MICRODIMM DIMM?
Power failure
144
VGA/SVGA monitor
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

8. Surge
BIOS
verifying data integrity.
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.
Too much voltage

9. Number of Pins for Drives: 4. FDD
the CPU
34
Too much voltage
Volatile

10. Components from many different manufacturers are interchangeable. As long as the component meets the standards - you can be reasonably confident that it will work in the system.
Standardization
34
Very brief time (milliseconds) of too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

11. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Joystick
Too much voltage
5.25

12. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Volatile
Line Grid Array

13. Spike
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very Brief time (milliseconds) of too much voltage
3
Too much voltage

14. 10Base-5 Ethernet and game ports use this cable
Too little voltage
DB-15
34
tasks or 'Threads'

15. Printers
Hardware
3
DB-25 parallel
184

16. Serial ports have this many pins.
144
9
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.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

17. What does LCD stand for?
Liquid Crystal Display
1600 x 1200
BIOS
Redundant Array of Independant (Inexpensive) Disks.

18. An area of memory that holds recently-accessed data.
Serial
Cache
TRS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

19. The BIOS is stored on the _______ chip that is on the motherboard.
Very Brief time (milliseconds) of too much voltage
verifying data integrity.
CMOS
the motherboard

20. 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
removable chips on the motherboard
charged coupled device (CCD)

21. 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)
Storage
144
Software
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

22. What is a Blackout?
charged coupled device (CCD)
Power failure
Too much voltage
34

23. What are the two types of RAM?
Software
DB-15
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
order Boot sequence - Integrated devices - drive controllers - power supply settings

24. What are the 4 main types of storage?
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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1600 x 1200
order Boot sequence - Integrated devices - drive controllers - power supply settings

25. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-15
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
ATX - BTX - Micro ATX - ITX - NLX - and LPX

26. PGA stands for
Software
Pin Grid Array
USB Type A
4

27. XGA is ____x_____
the motherboard
1024 x 786
RJ-45
Input

28. Parallel devices connect to this connector.
USB Type A
9-pin serial
Cathode Ray Tube
DB-25

29. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
removable chips on the motherboard
Radial Lines
the motherboard

30. QXGA is ____x____
Complex -Instruction - Set - Chips - Used in General Purpose PCs
2048 x 1536
Too little voltage
Line Grid Array

31. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Firmware
240
Very Brief time (milliseconds) of too much voltage

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

33. RAID stands for _________.
Output
removable chips on the motherboard
Redundant Array of Independant (Inexpensive) Disks.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

34. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
PS/2-style mouse
Random Access Memory (RAM)
Radial Lines
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

35. SCSI code is set by a 4 things - what are they?
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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
B-9 serial
240

36. A temporary data storage location that can be read from and written to.
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.
Liquid Crystal Display
Random Access Memory (RAM)
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

37. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
184
Front Side Bus.
Error Correction Code.
9

38. What does CRT stand for?
Cathode Ray Tube
Speaker
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.
Output

39. What does RIMM stand for?
USB Type A
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
charged coupled device (CCD)
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

40. Internal modem or telephone
RJ-11
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Standardization
CMOS

41. LGA stands for ______.
Line Grid Array
7 or 15 (powered)
240
Front Side Bus.

42. CPUs: What is RISC?
200
Liquid Crystal Display
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
PCIe - PCI - AGP - ESIA - and ISA

43. UXGA is _____x_____
1600 x 1200
Firmware
40 or 80
CMOS

44. A serial mouse connects to a computer with this connector.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
9-pin serial
40 or 80
200

45. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Input
1600 x 1200
7 or 15 (powered)

46. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
tasks or 'Threads'
Standardization
Input
CMOS

47. What does ECC do?
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
detects and fixes corrupt data in RAM.
Too much voltage

48. level three cache is located on _________.
Componentization
1024 x 786
Software
removable chips on the motherboard

49. What is VRAM used for?
Speaker
Radial Lines
Firewire 6-pin
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

50. 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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
verifying data integrity.
3
240