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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 process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Very Brief time (milliseconds) of too much voltage
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Input
Output

2. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
2048 x 1536
Hardware
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
BIOS

3. An example of firmware.
DB-25 parallel
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
BIOS
Serial

4. Before sending a power supply to the recycling facility...
200
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.
184
Firmware

5. 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.
detects and fixes corrupt data in RAM.
Joystick
B-9 serial
Networking and Communications

6. UXGA is _____x_____
40 or 80
DB-15
Input
1600 x 1200

7. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Networking and Communications
PCIe - PCI - AGP - ESIA - and ISA
Network communications
240

8. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Pin Grid Array
Input
verifying data integrity.
Processing

9. What are the 4 main types of storage?
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Storage
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

10. What is Virtual RAM?
Firmware
Software
Hardware
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.

11. Internal modem or telephone
Software
RJ-11
the motherboard
RJ-45

12. What does ECC do?
detects and fixes corrupt data in RAM.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
ECC
USB Type A

13. XGA is ____x_____
1024 x 786
CMOS
Redundant Array of Independant (Inexpensive) Disks.
Serial

14. How many pins is a SODIMM DDR2 DIMM?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
40 or 80
CMOS
200

15. Ethernet network
RJ-45
Line Grid Array
the motherboard
Standardization

16. What is VRAM used for?
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.
Standardization
RJ-45
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

17. Level two cache is located on _______.
the motherboard
4
200
TRS

18. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
2048 x 1536
ECC
tasks or 'Threads'
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

19. What do the type types of Hard Drive acronyms stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Cathode Ray Tube
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Output

20. 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.
Firewire 6-pin
verifying data integrity.
Random Access Memory (RAM)
2048 x 1536

21. What does SIMM stand for?
34
PS/2-style mouse
Single Inline Memory Module - has 30 or 72 contacts on only one side.
50 - 68 - or 80

22. Printers
DB-25 parallel
Coaxial
Standardization
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.

23. How many pins is a DDR3 DIMM?
240
Very Brief time (milliseconds) of too much voltage
Random Access Memory (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.

24. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
PS/2-style mouse
Output
50 - 68 - or 80
1024 x 786

25. An example of a device that uses a 6-pin Mini-DIN connector.
800 x 600
PS/2-style mouse
RJ-45
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

26. SCSI code is set by a 4 things - what are they?
Networking and Communications
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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Volatile

27. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Random Access Memory (RAM)
1024 x 786
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
4

28. Number of Pins for Drives: 4. FDD
3
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
34
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

29. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Joystick
PS/2-style mouse
DB-25 parallel

30. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
240
PCIe - PCI - AGP - ESIA - and ISA
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

31. An area of memory that holds recently-accessed data.
RJ-11
Processing
B-9 serial
Cache

32. Level one cache is located on ___________.
5.25
Cathode Ray Tube
1024 x 786
the CPU

33. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Firmware
BIOS
2048 x 1536

34. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
184
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Pin Grid Array

35. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
5.25
verifying data integrity.
the motherboard
1600 x 1200

36. ZIF stands for ______.
Cathode Ray Tube
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.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Speaker

37. 10Base-5 Ethernet and game ports use this cable
Storage
144
DB-15
Network communications

38. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
the motherboard
4
Firmware
Input

39. The BIOS is stored on the _______ chip that is on the motherboard.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Very brief time (milliseconds) of too little voltage
DB-25 parallel
CMOS

40. How many pins is a MICRODIMM DIMM?
TRS
144
Processing
the CPU

41. Parity is used in some _____________ - hard drives - and RAM.
240
4
Network communications
Single Inline Memory Module - has 30 or 72 contacts on only one side.

42. What does SODIMM stand for?
Small Outline DIMM
Liquid Crystal Display
184
the motherboard

43. 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.
34
Firmware
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
DB-15

44. What are the 6 form factors of motherboards?
184
40 or 80
ATX - BTX - Micro ATX - ITX - NLX - and LPX
detects and fixes corrupt data in RAM.

45. PGA stands for
Pin Grid Array
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Error Correction Code.
144

46. The actual speed of the CPU is governed by a _______ setting called the clock rate.
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.
Firewire 6-pin
240
BIOS

47. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Front Side Bus.
184
Input

48. RAID stands for _________.
Cache
2048 x 1536
3
Redundant Array of Independant (Inexpensive) Disks.

49. Surge
Coaxial
1600 x 1200
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too much voltage

50. What does ECC stand for?
Error Correction Code.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
tasks or 'Threads'
DB-25