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Comptia A +: Hardware

Subjects : certifications, comptia-a-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
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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
Pin Grid Array
verifying data integrity.
Error Correction Code.

2. What is a Brownout?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Too little voltage

3. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
charged coupled device (CCD)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
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.

4. What does SODIMM stand for?
144
Input
40 or 80
Small Outline DIMM

5. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
Cache
Networking and Communications
Small Outline DIMM

6. What is the formal name of the 'headphone jack'?
3
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
144
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

7. CPUs: What is RISC?
Error Correction Code.
Small Outline DIMM
DB-15
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

8. Printers
Front Side Bus.
DB-25 parallel
RJ-11
CMOS

9. SVGA is ____ x_____
Coaxial
TRS
PS/2-style mouse
800 x 600

10. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Networking and Communications
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
BIOS

11. Spike
Very Brief time (milliseconds) of too much voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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.
DB-25 parallel

12. XGA is ____x_____
3
240
1024 x 786
Output

13. Surge
Cache
Input
Too much voltage
removable chips on the motherboard

14. How many pins is a DDR2 DIMM?
Network communications
5.25
240
ECC

15. What is Virtual RAM?
Networking and Communications
DB-25
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.

16. CPUS: What is CISC?
Serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Complex -Instruction - Set - Chips - Used in General Purpose PCs
50 - 68 - or 80

17. What does CRT stand for?
USB Type A
Cathode Ray Tube
Complex -Instruction - Set - Chips - Used in General Purpose PCs
3

18. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
order Boot sequence - Integrated devices - drive controllers - power supply settings
Firewire 6-pin
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Serial

19. RAID stands for _________.
CMOS
Redundant Array of Independant (Inexpensive) Disks.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Pin Grid Array

20. A type of memory that loses data when the power is no longer supplied to the component.
the CPU
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Volatile
charged coupled device (CCD)

21. What are the 4 main types of storage?
Small Outline DIMM
VGA/SVGA monitor
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

22. How many pins is a SODIMM DDR2 DIMM?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
200
verifying data integrity.
Joystick

23. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
RJ-11
TRS
Small Outline DIMM
2048 x 1536

24. 10Base-2 Ethernet uses this cable.
144
DB-25
Coaxial
VGA/SVGA monitor

25. How many pins is a DDR3 DIMM?
Volatile
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
240

26. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
40 or 80
Radial Lines
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Hardware

27. A temporary data storage location that can be read from and written to.
USB Type A
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Random Access Memory (RAM)
DB-25

28. What do the type types of Hard Drive acronyms stand for?
50 - 68 - or 80
CMOS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Software

29. UXGA is _____x_____
1600 x 1200
Serial
Error Correction Code.
tasks or 'Threads'

30. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
800 x 600
40 or 80
Componentization

31. 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
800 x 600
CMOS
tasks or 'Threads'

32. Internal modem or telephone
DB-15
144
RJ-11
Complex -Instruction - Set - Chips - Used in General Purpose PCs

33. 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.
the CPU
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Componentization
Power failure

34. A serial mouse connects to a computer with this connector.
9-pin serial
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Error Correction Code.
144

35. Number of Pins for Drives: 3. SATA
200
7 or 15 (powered)
Pin Grid Array
Random Access Memory (RAM)

36. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
CMOS
2048 x 1536
Front Side Bus.
Complex -Instruction - Set - Chips - Used in General Purpose PCs

37. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Networking and Communications
Random Access Memory (RAM)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

38. The BIOS is stored on the _______ chip that is on the motherboard.
Line Grid Array
Complex -Instruction - Set - Chips - Used in General Purpose PCs
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS

39. Parallel devices connect to this connector.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Small Outline DIMM
DB-25
Front Side Bus.

40. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
PCIe - PCI - AGP - ESIA - and ISA
removable chips on the motherboard
Front Side Bus.

41. Before sending a power supply to the recycling facility...
Pin Grid Array
144
Coaxial
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.

42. SCSI code is set by a 4 things - what are they?
9
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Front Side Bus.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

43. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Cathode Ray Tube
Input
removable chips on the motherboard
Hardware

44. What are the two types of RAM?
Power failure
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Volatile
BIOS

45. An example of firmware.
charged coupled device (CCD)
3
DB-25
BIOS

46. What is a Blackout?
Firewire 6-pin
144
charged coupled device (CCD)
Power failure

47. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Output
Radial Lines
4
charged coupled device (CCD)

48. Number of Pins for Drives: 4. FDD
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Hardware
200
34

49. What does SIMM stand for?
ECC
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.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Firewire 6-pin

50. 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.
200
Networking and Communications
Cathode Ray Tube
1024 x 786

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Comptia A +: Hardware

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