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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. A temporary data storage location that can be read from and written to.
Output
DB-25 parallel
Random Access Memory (RAM)
DB-25

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

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3. 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.
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.
BIOS
order Boot sequence - Integrated devices - drive controllers - power supply settings

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

5. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Storage
7 or 15 (powered)
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

6. LGA stands for ______.
BIOS
order Boot sequence - Integrated devices - drive controllers - power supply settings
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Line Grid Array

7. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
2048 x 1536
Front Side Bus.
VGA/SVGA monitor

8. An area of memory that holds recently-accessed data.
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.
Cache
Firewire 6-pin
240

9. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
Hardware
Componentization
Networking and Communications

10. What does SIMM stand for?
Power failure
Single Inline Memory Module - has 30 or 72 contacts on only one side.
BIOS
Standardization

11. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Coaxial
Very Brief time (milliseconds) of too much voltage
charged coupled device (CCD)
800 x 600

12. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
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.
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.
Error Correction Code.
Firewire 6-pin

13. Serial mouse or external modem
B-9 serial
CMOS
the motherboard
Radial Lines

14. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Very brief time (milliseconds) of too little voltage
Front Side Bus.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

15. 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
Storage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
34

16. What are the two types of RAM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Coaxial
Storage
Input

17. What does SODIMM stand for?
5.25
Small Outline DIMM
34
Error Correction Code.

18. RAID stands for _________.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Redundant Array of Independant (Inexpensive) Disks.

19. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Front Side Bus.
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cathode Ray Tube

20. Serial ports have this many pins.
5.25
Cache
9
order Boot sequence - Integrated devices - drive controllers - power supply settings

21. How many pins is a DDR3 DIMM?
Cache
240
34
ECC

22. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
50 - 68 - or 80
Volatile
USB Type A
Cathode Ray Tube

23. What are the 6 form factors of motherboards?
2048 x 1536
ATX - BTX - Micro ATX - ITX - NLX - and LPX
4
Front Side Bus.

24. What is a Sag?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Very brief time (milliseconds) of too little voltage
50 - 68 - or 80
Too little voltage

25. How many pins is a SODIMM DDR DIMM?
ECC
Front Side Bus.
9
144

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

27. 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.
DB-15
BIOS
9-pin serial
USB Type A

28. An example of a device that uses a 6-pin Mini-DIN connector.
Serial
Pin Grid Array
PS/2-style mouse
3

29. Parity is used in some _____________ - hard drives - and RAM.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Networking and Communications
Network communications
the motherboard

30. How many pins is a DDR DIMM?
184
Liquid Crystal Display
Componentization
4

31. What does ECC do?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
detects and fixes corrupt data in RAM.
144
Line Grid Array

32. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
PS/2-style mouse
Very brief time (milliseconds) of too little voltage
Too little voltage

33. Ethernet network
Networking and Communications
the CPU
RJ-45
RJ-11

34. ZIF stands for ______.
Too little voltage
Serial
Speaker
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.

35. 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
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
ATX - BTX - Micro ATX - ITX - NLX - and LPX

36. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
RJ-45
Very Brief time (milliseconds) of too much voltage
144

37. An example of a device that uses a low-density (two-row) male DB-15 connector.
144
ECC
Joystick
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.

38. Number of Pins for Drives: 2. SCSI
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
50 - 68 - or 80
DB-15
Network communications

39. What is Virtual RAM?
40 or 80
B-9 serial
DB-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.

40. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
5.25
9
DB-15

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

42. A serial mouse connects to a computer with this connector.
Very Brief time (milliseconds) of too much voltage
9-pin serial
9
Componentization

43. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Joystick
PCIe - PCI - AGP - ESIA - and ISA
200
1024 x 786

44. PGA stands for
Pin Grid Array
200
Very brief time (milliseconds) of too little voltage
RJ-11

45. 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.
CMOS
Componentization
Volatile
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

46. XGA is ____x_____
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
184
1024 x 786
Liquid Crystal Display

47. How many pins is a SODIMM DDR2 DIMM?
Software
200
Joystick
Line Grid Array

48. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Software
Storage
USB Type A

49. SCSI code is set by a 4 things - what are they?
Componentization
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

50. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Very Brief time (milliseconds) of too much voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
TRS
CMOS