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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. An example of firmware.
BIOS
Too little voltage
B-9 serial
Cathode Ray Tube

2. What does RIMM stand for?
9-pin serial
RJ-45
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Front Side Bus.

3. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Redundant Array of Independant (Inexpensive) Disks.
BIOS
Front Side Bus.
CMOS

4. What does SIMM stand for?
CMOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Single Inline Memory Module - has 30 or 72 contacts on only one side.
7 or 15 (powered)

5. What does SODIMM stand for?
Small Outline DIMM
Cathode Ray Tube
Random Access Memory (RAM)
DB-25

6. LGA stands for ______.
Network communications
50 - 68 - or 80
Line Grid Array
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

7. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
800 x 600
9-pin serial
144

8. A serial mouse connects to a computer with this connector.
Network communications
removable chips on the motherboard
9-pin serial
Random Access Memory (RAM)

9. What is VRAM used for?
40 or 80
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144

10. Serial ports have this many pins.
144
DB-25
9
VGA/SVGA monitor

11. BIOS allows you to do 4 things - what are they?
4
Standardization
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
order Boot sequence - Integrated devices - drive controllers - power supply settings

12. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
CMOS
34
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.
PCIe - PCI - AGP - ESIA - and ISA

13. CPUS: What is CISC?
PCIe - PCI - AGP - ESIA - and ISA
4
Complex -Instruction - Set - Chips - Used in General Purpose PCs
PS/2-style mouse

14. How many pins is a SODIMM DDR2 DIMM?
TRS
Processing
200
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

15. External modems most commonly connect to this port.
PCIe - PCI - AGP - ESIA - and ISA
1600 x 1200
the motherboard
Serial

16. What is a Blackout?
Power failure
ECC
DB-25 parallel
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

17. 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)
Firewire 6-pin
4
Network communications
Software

18. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Firewire 6-pin
BIOS
Hardware
Cache

19. 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.
Volatile
4
Firmware

20. Number of Pins for Drives: 3. SATA
Componentization
Very Brief time (milliseconds) of too much voltage
7 or 15 (powered)
1024 x 786

21. 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.
5.25
Very Brief time (milliseconds) of too much voltage
verifying data integrity.
Output

22. What is the formal name of the 'headphone jack'?
1600 x 1200
240
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
CMOS

23. Ethernet network
RJ-45
the motherboard
CMOS
Firewire 6-pin

24. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
Liquid Crystal Display
USB Type A
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

25. An area of memory that holds recently-accessed data.
Power failure
Cache
Radial Lines
144

26. What is Virtual RAM?
Software
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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

27. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
ECC
Small Outline DIMM
USB Type A
Firewire 6-pin

28. What is a Brownout?
Volatile
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too little voltage

29. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
the CPU
Input
PS/2-style mouse
144

30. 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.
TRS
removable chips on the motherboard
Cache
Standardization

31. RAID 5 has at least ___ hard drives.
BIOS
3
Cache
the motherboard

32. What does CRT stand for?
Cathode Ray Tube
BIOS
Front Side Bus.
144

33. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
144
DB-15
charged coupled device (CCD)
DB-25 parallel

34. How many pins is a SODIMM DDR DIMM?
Volatile
144
detects and fixes corrupt data in RAM.
Standardization

35. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
184
Firmware
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.

36. QXGA is ____x____
2048 x 1536
DB-25 parallel
RJ-11
Random Access Memory (RAM)

37. Printers
Power failure
DB-25 parallel
DB-25
PCIe - PCI - AGP - ESIA - and ISA

38. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
1024 x 786
the motherboard
CMOS

39. 10Base-2 Ethernet uses this cable.
Coaxial
Cache
Processing
Power failure

40. level three cache is located on _________.
CMOS
removable chips on the motherboard
Hardware
34

41. Spike
Storage
Very Brief time (milliseconds) of too much voltage
34
Pin Grid Array

42. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
charged coupled device (CCD)
DB-25 parallel
detects and fixes corrupt data in RAM.
USB Type A

43. XGA is ____x_____
Componentization
Processing
1024 x 786
detects and fixes corrupt data in RAM.

44. What does ECC do?
40 or 80
Small Outline DIMM
Serial
detects and fixes corrupt data in RAM.

45. Serial mouse or external modem
BIOS
B-9 serial
Networking and Communications
CMOS

46. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
34
Serial
Processing
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

47. Parity is used in some _____________ - hard drives - and RAM.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Volatile
removable chips on the motherboard
Network communications

48. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
CMOS
Front Side Bus.
9

49. An example of a device that uses a TRS connector.
144
40 or 80
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Speaker

50. UXGA is _____x_____
1600 x 1200
Software
Serial
verifying data integrity.