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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 special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
5.25
7 or 15 (powered)

2. What is the formal name of the 'headphone jack'?
184
Processing
Complex -Instruction - Set - Chips - Used in General Purpose PCs
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

3. RAID stands for _________.
Very brief time (milliseconds) of too little voltage
Redundant Array of Independant (Inexpensive) Disks.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
removable chips on the motherboard

4. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
3
PCIe - PCI - AGP - ESIA - and ISA
Liquid Crystal Display

5. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
Too much voltage
Too little voltage
50 - 68 - or 80

6. Internal modem or telephone
RJ-11
VGA/SVGA monitor
Redundant Array of Independant (Inexpensive) Disks.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

7. A serial mouse connects to a computer with this connector.
9-pin serial
Serial
Componentization
CMOS

8. level three cache is located on _________.
RJ-45
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
40 or 80
removable chips on the motherboard

9. How many pins is a DDR DIMM?
184
Hardware
144
USB Type A

10. What is VRAM used for?
Input
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
B-9 serial
Coaxial

11. A temporary data storage location that can be read from and written to.
Output
Random Access Memory (RAM)
34
2048 x 1536

12. What is a Blackout?
Power failure
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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Componentization

13. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
9
200
Input
4

14. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
40 or 80
Liquid Crystal Display
DB-25 parallel

15. XGA is ____x_____
CMOS
1024 x 786
Networking and Communications
Input

16. What are the two types of RAM?
2048 x 1536
Very Brief time (milliseconds) of too much voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
ECC

17. 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.
Firewire 6-pin
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Networking and Communications
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

18. Serial mouse or external modem
PS/2-style mouse
B-9 serial
Too little voltage
Redundant Array of Independant (Inexpensive) Disks.

19. Printers
40 or 80
Too much voltage
9-pin serial
DB-25 parallel

20. An example of a device that uses a 6-pin Mini-DIN connector.
Speaker
Hardware
PS/2-style mouse
removable chips on the motherboard

21. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Line Grid Array
1600 x 1200
PCIe - PCI - AGP - ESIA - and ISA

22. 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)
CMOS
Software
Cathode Ray Tube
the CPU

23. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
40 or 80
charged coupled device (CCD)
BIOS
Too much voltage

24. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Small Outline DIMM
9-pin serial
Front Side Bus.
RJ-45

25. What are the 4 main types of storage?
Input
2048 x 1536
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.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

26. 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.
DB-15
the CPU
144

27. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
CMOS
Storage
Joystick
40 or 80

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

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29. 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.
Hardware
5.25
verifying data integrity.
Too little voltage

30. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Pin Grid Array
34
Componentization

31. What is a Sag?
BIOS
the motherboard
Very brief time (milliseconds) of too little voltage
Error Correction Code.

32. What does ECC do?
DB-25 parallel
detects and fixes corrupt data in RAM.
verifying data integrity.
50 - 68 - or 80

33. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
DB-15

34. What does ECC stand for?
ECC
800 x 600
Error Correction Code.
9-pin serial

35. An example of a device that uses a high-density (three-row) DB-15 connector.
RJ-11
Coaxial
VGA/SVGA monitor
Random Access Memory (RAM)

36. What does SIMM stand for?
240
Single Inline Memory Module - has 30 or 72 contacts on only one side.
240
144

37. How many pins is a DDR2 DIMM?
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)
240
800 x 600

38. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
9-pin serial
Storage
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.
Hardware

39. The BIOS is stored on the _______ chip that is on the motherboard.
Power failure
TRS
Very Brief time (milliseconds) of too much voltage
CMOS

40. LGA stands for ______.
Line Grid Array
Software
Input
verifying data integrity.

41. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Input
Firewire 6-pin
Cache

42. SVGA is ____ x_____
800 x 600
CMOS
DB-25 parallel
Serial

43. Serial ports have this many pins.
VGA/SVGA monitor
144
9
Very Brief time (milliseconds) of too much voltage

44. Number of Pins for Drives: 3. SATA
charged coupled device (CCD)
144
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
7 or 15 (powered)

45. Parallel devices connect to this connector.
144
240
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-25

46. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
verifying data integrity.
Line Grid Array
Cathode Ray Tube

47. CPUS: What is CISC?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
CMOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Complex -Instruction - Set - Chips - Used in General Purpose PCs

48. 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
TRS
USB Type A
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

49. What is Virtual RAM?
BIOS
Pin Grid Array
CMOS
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. An example of firmware.
BIOS
CMOS
1600 x 1200
Power failure