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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
CMOS
Software
RJ-11
Too much voltage

2. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
7 or 15 (powered)
5.25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
PCIe - PCI - AGP - ESIA - and ISA

3. Parallel devices connect to this connector.
DB-25
800 x 600
200
the motherboard

4. 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.
Standardization
Cathode Ray Tube
the CPU
Firmware

5. Serial mouse or external modem
240
DB-25 parallel
184
B-9 serial

6. Number of Pins for Drives: 2. SCSI
5.25
50 - 68 - or 80
Error Correction Code.
the motherboard

7. Printers
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-25 parallel
PS/2-style mouse
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

8. How many pins is a SODIMM DDR2 DIMM?
RJ-45
40 or 80
detects and fixes corrupt data in RAM.
200

9. 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.
240
Software
240

10. RAID stands for _________.
200
Redundant Array of Independant (Inexpensive) Disks.
CMOS
Componentization

11. 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.
tasks or 'Threads'
Liquid Crystal Display
verifying data integrity.
Storage

12. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Too much voltage
Radial Lines
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Firewire 6-pin

13. QXGA is ____x____
1600 x 1200
B-9 serial
Front Side Bus.
2048 x 1536

14. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Liquid Crystal Display
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Software

15. What are the 6 form factors of motherboards?
CMOS
DB-15
CMOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX

16. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Hardware
PCIe - PCI - AGP - ESIA - and ISA
4

17. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
2048 x 1536
CMOS
5.25
Storage

18. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
RJ-45
Random Access Memory (RAM)
Firmware
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

19. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
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.
144
Pin Grid Array

20. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
DB-15
Very brief time (milliseconds) of too little voltage
verifying data integrity.

21. 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
USB Type A
Complex -Instruction - Set - Chips - Used in General Purpose PCs
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

22. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
charged coupled device (CCD)
Front Side Bus.
9-pin serial
Redundant Array of Independant (Inexpensive) Disks.

23. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Radial Lines
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Front Side Bus.

24. What is a Sag?
40 or 80
Small Outline DIMM
Firewire 6-pin
Very brief time (milliseconds) of too little voltage

25. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
tasks or 'Threads'
Line Grid Array
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
ECC

26. How many pins is a SODIMM DDR DIMM?
144
ECC
50 - 68 - or 80
BIOS

27. An example of a device that uses a high-density (three-row) DB-15 connector.
Firewire 6-pin
VGA/SVGA monitor
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Line Grid Array

28. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Standardization
PS/2-style mouse
Cache

29. XGA is ____x_____
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1024 x 786
Joystick
Software

30. A temporary data storage location that can be read from and written to.
BIOS
TRS
Random Access Memory (RAM)
B-9 serial

31. 10Base-5 Ethernet and game ports use this cable
Coaxial
RJ-11
Liquid Crystal Display
DB-15

32. What is a Brownout?
7 or 15 (powered)
Network communications
detects and fixes corrupt data in RAM.
Too little voltage

33. CPUS: What is CISC?
Speaker
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Componentization
144

34. Internal modem or telephone
removable chips on the motherboard
order Boot sequence - Integrated devices - drive controllers - power supply settings
RJ-11
9-pin serial

35. A serial mouse connects to a computer with this connector.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
9-pin serial
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
USB Type A

36. level three cache is located on _________.
removable chips on the motherboard
240
Networking and Communications
40 or 80

37. What does SODIMM stand for?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Redundant Array of Independant (Inexpensive) Disks.
Small Outline DIMM
Joystick

38. Parity is used in some _____________ - hard drives - and RAM.
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.
Network communications
200
Firewire 6-pin

39. What does ECC stand for?
Error Correction Code.
3
order Boot sequence - Integrated devices - drive controllers - power supply settings
the motherboard

40. SDRAM sands for _______.
Output
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
144
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

41. An example of firmware.
Redundant Array of Independant (Inexpensive) Disks.
Storage
BIOS
PCIe - PCI - AGP - ESIA - and ISA

42. 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.
Redundant Array of Independant (Inexpensive) Disks.
Very brief time (milliseconds) of too little voltage
PCIe - PCI - AGP - ESIA - and ISA
Networking and Communications

43. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Cathode Ray Tube
3
Serial
Output

44. What does LCD stand for?
40 or 80
144
Liquid Crystal Display
50 - 68 - or 80

45. External modems most commonly connect to this port.
Cathode Ray Tube
Serial
the motherboard
charged coupled device (CCD)

46. An example of a device that uses a low-density (two-row) male DB-15 connector.
Joystick
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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
PCIe - PCI - AGP - ESIA - and ISA

47. What is DVD-RAM? and how is it used?

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48. How many pins is a DDR DIMM?
Network communications
Output
184
1024 x 786

49. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Input
CMOS
CMOS
Processing

50. What does RIMM stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
RJ-11
Random Access Memory (RAM)
Pin Grid Array