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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. Surge
Cathode Ray Tube
Too much voltage
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.
verifying data integrity.

2. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Cache
Networking and Communications
CMOS
BIOS

3. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Speaker
ECC
Radial Lines
800 x 600

4. Spike
Very Brief time (milliseconds) of too much voltage
ECC
Radial Lines
Standardization

5. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
40 or 80
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Storage

6. Number of Pins for Drives: 2. SCSI
Firmware
Joystick
order Boot sequence - Integrated devices - drive controllers - power supply settings
50 - 68 - or 80

7. What is VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Hardware
tasks or 'Threads'
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

8. ZIF stands for ______.
CMOS
7 or 15 (powered)
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.
Output

9. An example of a device that uses a 6-pin Mini-DIN connector.
184
PS/2-style mouse
Very Brief time (milliseconds) of too much voltage
Cathode Ray Tube

10. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
USB Type A
DB-15
Processing
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

11. Internal modem or telephone
DB-25
DB-15
Joystick
RJ-11

12. RAID stands for _________.
the motherboard
Redundant Array of Independant (Inexpensive) Disks.
Pin Grid Array
CMOS

13. What are the 6 form factors of motherboards?
Too little voltage
144
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1024 x 786

14. Before sending a power supply to the recycling facility...
Line Grid Array
Standardization
Radial Lines
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.

15. Number of Pins for Drives: 4. FDD
34
Componentization
Firewire 6-pin
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

16. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Front Side Bus.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
USB Type A

17. 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.
BIOS
Standardization
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
CMOS

18. Parity is used in some _____________ - hard drives - and RAM.
Joystick
Networking and Communications
34
Network communications

19. level three cache is located on _________.
VGA/SVGA monitor
removable chips on the motherboard
144
DB-25

20. CPUs: What is RISC?
Network communications
Pin Grid Array
Line Grid Array
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

21. Serial ports have this many pins.
34
9
9-pin serial
Hardware

22. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
Very Brief time (milliseconds) of too much voltage
50 - 68 - or 80
DB-15

23. LGA stands for ______.
Networking and Communications
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Line Grid Array
DB-15

24. RAID 5 has at least ___ hard drives.
removable chips on the motherboard
3
Speaker
Error Correction Code.

25. 10Base-5 Ethernet and game ports use this cable
the motherboard
DB-15
2048 x 1536
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

26. What does LCD stand for?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Liquid Crystal Display
Network communications
Cathode Ray Tube

27. How many pins is a SODIMM DDR2 DIMM?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
B-9 serial
200
800 x 600

28. How many pins is a DDR3 DIMM?
240
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
4
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.

29. What is a Blackout?
Coaxial
BIOS
Redundant Array of Independant (Inexpensive) Disks.
Power failure

30. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Hardware
B-9 serial
Random Access Memory (RAM)

31. External modems most commonly connect to this port.
Cache
tasks or 'Threads'
Serial
144

32. What does SODIMM stand for?
3
144
Small Outline DIMM
50 - 68 - or 80

33. SVGA is ____ x_____
Volatile
800 x 600
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs

34. 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.
Liquid Crystal Display
40 or 80
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

35. BIOS allows you to do 4 things - what are they?
verifying data integrity.
9-pin serial
order Boot sequence - Integrated devices - drive controllers - power supply settings
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

36. What are the 4 main types of storage?
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
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Redundant Array of Independant (Inexpensive) Disks.

37. An example of firmware.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
BIOS
4
Networking and Communications

38. A temporary data storage location that can be read from and written to.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Random Access Memory (RAM)
Radial Lines
BIOS

39. XGA is ____x_____
Standardization
1024 x 786
PCIe - PCI - AGP - ESIA - and ISA
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

40. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
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.
1600 x 1200
CMOS

41. Ethernet network
RJ-45
removable chips on the motherboard
200
verifying data integrity.

42. How many pins is a MICRODIMM DIMM?
200
144
1600 x 1200
detects and fixes corrupt data in RAM.

43. QXGA is ____x____
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144
2048 x 1536
Error Correction Code.

44. 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.
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
Network communications
Networking and Communications

45. CPUS: What is CISC?
VGA/SVGA monitor
1600 x 1200
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Complex -Instruction - Set - Chips - Used in General Purpose PCs

46. The BIOS is stored on the _______ chip that is on the motherboard.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
ECC
CMOS
the CPU

47. What does ECC stand for?
Error Correction Code.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Processing
PCIe - PCI - AGP - ESIA - and ISA

48. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
DB-25
Firewire 6-pin
Storage

49. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
VGA/SVGA monitor
CMOS
Coaxial
Storage

50. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
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.
Hardware
PS/2-style mouse
Small Outline DIMM