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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. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Cathode Ray Tube
Hardware
CMOS
VGA/SVGA monitor

2. How many pins is a DDR2 DIMM?
DB-25 parallel
240
Standardization
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.

3. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
240
TRS
5.25

4. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
the CPU
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.
Processing
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

5. PGA stands for
40 or 80
Serial
Processing
Pin Grid Array

6. Parallel devices connect to this connector.
144
DB-25
CMOS
Firmware

7. UXGA is _____x_____
Volatile
1600 x 1200
Liquid Crystal Display
200

8. An example of a device that uses a TRS connector.
DB-25 parallel
Speaker
2048 x 1536
9

9. How many pins is a DDR3 DIMM?
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.
240
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.
800 x 600

10. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
240
Storage
Cache
Line Grid Array

11. What are the 4 main types of storage?
240
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
tasks or 'Threads'
4

12. Multiple core allow the PC to simultaneously process multiple ______.

13. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Firewire 6-pin
order Boot sequence - Integrated devices - drive controllers - power supply settings
BIOS

14. External modems most commonly connect to this port.
Too much voltage
RJ-45
Serial
Complex -Instruction - Set - Chips - Used in General Purpose PCs

15. 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.
Input
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-15
184

16. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Storage
the CPU
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.
USB Type A

17. Parity is used in some _____________ - hard drives - and RAM.
Network communications
Too little voltage
DB-15
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.

18. Spike
Very Brief time (milliseconds) of too much voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Line Grid Array
ATX - BTX - Micro ATX - ITX - NLX - and LPX

19. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Hardware
BIOS
Cache
2048 x 1536

20. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX
50 - 68 - or 80

21. What is VRAM used for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Input
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

22. RAID stands for _________.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Processing
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Redundant Array of Independant (Inexpensive) Disks.

23. 10Base-5 Ethernet and game ports use this cable
Firmware
50 - 68 - or 80
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-15

24. What does SIMM stand for?
Error Correction Code.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Serial
144

25. Ethernet network
RJ-45
Very brief time (milliseconds) of too little voltage
240
Storage

26. 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.
Pin Grid Array
CMOS
Joystick
Networking and Communications

27. What is Virtual RAM?
Random Access Memory (RAM)
DB-15
Network communications
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.

28. How many pins is a SODIMM DDR2 DIMM?
Software
40 or 80
CMOS
200

29. Serial ports have this many pins.
9
144
Pin Grid Array
Storage

30. LGA stands for ______.
Network communications
Line Grid Array
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
DB-15

31. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
4
DB-25 parallel
Pin Grid Array

32. How many pins is a SODIMM DDR DIMM?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
the CPU
800 x 600
144

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.
240
9
Cache
Componentization

34. How many pins is a DDR DIMM?
800 x 600
184
9-pin serial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

35. Level one cache is located on ___________.
the CPU
Very Brief time (milliseconds) of too much voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
DB-25 parallel

36. What are the two types of RAM?
verifying data integrity.
DB-25
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

37. What does ECC stand for?
240
Error Correction Code.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Volatile

38. What does LCD stand for?
Componentization
Liquid Crystal Display
184
Single Inline Memory Module - has 30 or 72 contacts on only one side.

39. BIOS allows you to do 4 things - what are they?
9-pin serial
Firewire 6-pin
order Boot sequence - Integrated devices - drive controllers - power supply settings
Single Inline Memory Module - has 30 or 72 contacts on only one side.

40. An example of firmware.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
BIOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the motherboard

41. An example of a device that uses a 6-pin Mini-DIN connector.
144
BIOS
PS/2-style mouse
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

42. What does ECC do?
detects and fixes corrupt data in RAM.
Firmware
Very Brief time (milliseconds) of too much voltage
Storage

43. An area of memory that holds recently-accessed data.
B-9 serial
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.
TRS
Cache

44. A temporary data storage location that can be read from and written to.
50 - 68 - or 80
9
Random Access Memory (RAM)
the motherboard

45. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Error Correction Code.
Input
Too much voltage

46. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
9
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
CMOS
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.

47. How many pins is a MICRODIMM DIMM?
Coaxial
144
Joystick
Speaker

48. XGA is ____x_____
Cathode Ray Tube
800 x 600
BIOS
1024 x 786

49. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
B-9 serial
PCIe - PCI - AGP - ESIA - and ISA
Too little voltage
RJ-11

50. Printers
Redundant Array of Independant (Inexpensive) Disks.
Output
DB-25 parallel
CMOS