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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. What is Virtual 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.
PS/2-style mouse
ECC
9

2. Spike
BIOS
Very Brief time (milliseconds) of too much voltage
Cathode Ray Tube
PCIe - PCI - AGP - ESIA - and ISA

3. An example of firmware.
240
Coaxial
order Boot sequence - Integrated devices - drive controllers - power supply settings
BIOS

4. A serial mouse connects to a computer with this connector.
1600 x 1200
2048 x 1536
Cathode Ray Tube
9-pin serial

5. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Networking and Communications
Redundant Array of Independant (Inexpensive) Disks.
Hardware
Too little voltage

6. SVGA is ____ x_____
Componentization
800 x 600
PCIe - PCI - AGP - ESIA - and ISA
tasks or 'Threads'

7. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Front Side Bus.
removable chips on the motherboard
charged coupled device (CCD)
9

8. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
Storage
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Redundant Array of Independant (Inexpensive) Disks.

9. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
Componentization
Very brief time (milliseconds) of too little voltage
DB-25

10. A temporary data storage location that can be read from and written to.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Random Access Memory (RAM)
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
240

11. Printers
DB-25 parallel
1600 x 1200
Random Access Memory (RAM)
184

12. ZIF stands for ______.
Storage
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

13. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Volatile
Radial Lines
Serial
BIOS

14. An example of a device that uses a high-density (three-row) DB-15 connector.
TRS
VGA/SVGA monitor
the motherboard
the CPU

15. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
7 or 15 (powered)
Storage
PCIe - PCI - AGP - ESIA - and ISA
BIOS

16. An area of memory that holds recently-accessed data.
3
Cache
the motherboard
Input

17. XGA is ____x_____
charged coupled device (CCD)
800 x 600
1024 x 786
RJ-45

18. 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.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS
Redundant Array of Independant (Inexpensive) Disks.
Componentization

19. How many pins is a SODIMM DDR DIMM?
144
5.25
Single Inline Memory Module - has 30 or 72 contacts on only one side.
9-pin serial

20. How many pins is a DDR DIMM?
Hardware
184
DB-25
DB-25 parallel

21. An example of a device that uses a 6-pin Mini-DIN connector.
5.25
PS/2-style mouse
240
CMOS

22. The actual speed of the CPU is governed by a _______ setting called the clock rate.
BIOS
Storage
Speaker
DB-15

23. 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.
verifying data integrity.
B-9 serial
Joystick
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.

24. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Cathode Ray Tube
Random Access Memory (RAM)
5.25
Cache

25. Parallel devices connect to this connector.
200
34
Line Grid Array
DB-25

26. How many pins is a MICRODIMM DIMM?
Processing
BIOS
144
184

27. 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.
50 - 68 - or 80
DB-15
7 or 15 (powered)
Input

28. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
9-pin serial
144
the CPU

29. The BIOS is stored on the _______ chip that is on the motherboard.
Cathode Ray Tube
CMOS
144
order Boot sequence - Integrated devices - drive controllers - power supply settings

30. RAID stands for _________.
2048 x 1536
Redundant Array of Independant (Inexpensive) Disks.
RJ-11
BIOS

31. RAID 5 has at least ___ hard drives.
Firewire 6-pin
Line Grid Array
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.
3

32. 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.
Processing
PCIe - PCI - AGP - ESIA - and ISA
Cathode Ray Tube
Standardization

33. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Firewire 6-pin
240
Power failure

34. Level two cache is located on _______.
7 or 15 (powered)
200
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.
the motherboard

35. Level one cache is located on ___________.
Redundant Array of Independant (Inexpensive) Disks.
the CPU
Power failure
CMOS

36. What do the type types of Hard Drive acronyms stand for?
Radial Lines
Speaker
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-15

37. External modems most commonly connect to this port.
BIOS
Serial
Error Correction Code.
1600 x 1200

38. Ethernet network
RJ-45
Random Access Memory (RAM)
DB-15
144

39. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Serial
Speaker
CMOS

40. What is a Blackout?
Liquid Crystal Display
1024 x 786
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Power failure

41. Serial mouse or external modem
TRS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
240
B-9 serial

42. Before sending a power supply to the recycling facility...
DB-25 parallel
144
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

43. Computer programs that perform specific tasks include: - Operating System- Program applications - Hardware drivers (special programs that tell the operating system how to use the hardware)
Software
Redundant Array of Independant (Inexpensive) Disks.
9-pin serial
Input

44. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
the motherboard
Output
200
Front Side Bus.

45. Number of Pins for Drives: 3. SATA
tasks or 'Threads'
7 or 15 (powered)
9-pin serial
50 - 68 - or 80

46. How many pins is a DDR3 DIMM?
240
Error Correction Code.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firmware

47. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Software
9
Output
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

48. A type of memory that loses data when the power is no longer supplied to the component.
CMOS
Volatile
3
DB-15

49. What does SODIMM stand for?
Network communications
Cache
2048 x 1536
Small Outline DIMM

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.
Networking and Communications
800 x 600
Line Grid Array
4