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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. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Networking and Communications
Front Side Bus.
Software

2. PGA stands for
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
the motherboard
Pin Grid Array
tasks or 'Threads'

3. How many pins is a MICRODIMM DIMM?
Line Grid Array
144
VGA/SVGA monitor
Volatile

4. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
B-9 serial
USB Type A
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.
ECC

5. 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.
Cache
7 or 15 (powered)
removable chips on the motherboard

6. What does CRT stand for?
800 x 600
Networking and Communications
Cathode Ray Tube
DB-15

7. A type of memory that loses data when the power is no longer supplied to the component.
Too little voltage
Network communications
verifying data integrity.
Volatile

8. SVGA is ____ x_____
4
CMOS
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
800 x 600

9. Ethernet network
RJ-45
184
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
50 - 68 - or 80

10. What does ECC do?
Output
Single Inline Memory Module - has 30 or 72 contacts on only one side.
CMOS
detects and fixes corrupt data in RAM.

11. Serial mouse or external modem
B-9 serial
PCIe - PCI - AGP - ESIA - and ISA
DB-25 parallel
CMOS

12. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
34
Input
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
PCIe - PCI - AGP - ESIA - and ISA

13. What is a Blackout?
Line Grid Array
Power failure
Input
ECC

14. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Radial Lines
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Liquid Crystal Display

15. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
the motherboard
Joystick
Power failure

16. What does LCD stand for?
Liquid Crystal Display
CMOS
3
Random Access Memory (RAM)

17. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
ECC
184
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

18. Number of Pins for Drives: 4. FDD
detects and fixes corrupt data in RAM.
Small Outline DIMM
tasks or 'Threads'
34

19. 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.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Line Grid Array
Networking and Communications
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

20. An area of memory that holds recently-accessed data.
Too much voltage
charged coupled device (CCD)
Cache
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

21. An example of a device that uses a 6-pin Mini-DIN connector.
ECC
9-pin serial
PS/2-style mouse
removable chips on the motherboard

22. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
Pin Grid Array
Very brief time (milliseconds) of too little voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

23. Spike
B-9 serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very Brief time (milliseconds) of too much voltage
BIOS

24. 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.
DB-15
Volatile
verifying data integrity.
Firmware

25. What is VRAM used for?
Cathode Ray Tube
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
240
800 x 600

26. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Storage
Pin Grid Array
40 or 80
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

27. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
PCIe - PCI - AGP - ESIA - and ISA
CMOS
5.25

28. A temporary data storage location that can be read from and written to.
Cathode Ray Tube
B-9 serial
Random Access Memory (RAM)
240

29. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
3
Very Brief time (milliseconds) of too much voltage
ECC

30. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Speaker
Output
detects and fixes corrupt data in RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

31. A serial mouse connects to a computer with this connector.
Volatile
ATX - BTX - Micro ATX - ITX - NLX - and LPX
9-pin serial
34

32. Printers
Power failure
DB-25 parallel
Too much voltage
5.25

33. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
PCIe - PCI - AGP - ESIA - and ISA
DB-15
USB Type A
BIOS

34. QXGA is ____x____
DB-25
144
2048 x 1536
PCIe - PCI - AGP - ESIA - and ISA

35. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Too much voltage

36. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
BIOS
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
B-9 serial

37. LGA stands for ______.
B-9 serial
Line Grid Array
1024 x 786
144

38. How many pins is a SODIMM DDR DIMM?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Small Outline DIMM
Network communications
144

39. An example of a device that uses a low-density (two-row) male DB-15 connector.
Firmware
Joystick
Very Brief time (milliseconds) of too much voltage
DB-15

40. External modems most commonly connect to this port.
184
Complex -Instruction - Set - Chips - Used in General Purpose PCs
ECC
Serial

41. What is a Brownout?
4
Too little voltage
144
Liquid Crystal Display

42. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
TRS
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.
Radial Lines
7 or 15 (powered)

43. RAID 5 has at least ___ hard drives.
removable chips on the motherboard
3
B-9 serial
240

44. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Complex -Instruction - Set - Chips - Used in General Purpose PCs
5.25

45. What are the 4 main types of storage?
Too much voltage
VGA/SVGA monitor
Hardware
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

46. How many pins is a DDR2 DIMM?
9-pin serial
4
2048 x 1536
240

47. Parity is used in some _____________ - hard drives - and RAM.
Software
Standardization
detects and fixes corrupt data in RAM.
Network communications

48. How many pins is a SODIMM DDR2 DIMM?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Line Grid Array
200
PS/2-style mouse

49. level three cache is located on _________.
VGA/SVGA monitor
Too little voltage
removable chips on the motherboard
144

50. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
9
tasks or 'Threads'
Front Side Bus.
CMOS