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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 act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Network communications
200
Output
Storage

2. An example of a device that uses a TRS connector.
Speaker
CMOS
Pin Grid Array
9-pin serial

3. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
Input
Software
order Boot sequence - Integrated devices - drive controllers - power supply settings

4. 10Base-2 Ethernet uses this cable.
RJ-11
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Coaxial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

5. What is a Blackout?
Power failure
removable chips on the motherboard
Too little voltage
RJ-45

6. An example of a device that uses a low-density (two-row) male DB-15 connector.
Line Grid Array
CMOS
Joystick
Small Outline DIMM

7. 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
Network communications
Serial
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.

8. What does CRT stand for?
800 x 600
Cathode Ray Tube
Serial
Speaker

9. 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.
Componentization
Software
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
BIOS

10. Parity is used in some _____________ - hard drives - and RAM.
Error Correction Code.
Network communications
Output
144

11. How many pins is a DDR3 DIMM?
RJ-45
240
Power failure
Single Inline Memory Module - has 30 or 72 contacts on only one side.

12. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
7 or 15 (powered)
Joystick
Input
the motherboard

13. PGA stands for
5.25
Pin Grid Array
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-15

14. What is VRAM used for?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
verifying data integrity.
Pin Grid Array

15. UXGA is _____x_____
Power failure
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1600 x 1200
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

16. Serial mouse or external modem
Hardware
Serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
B-9 serial

17. SVGA is ____ x_____
240
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-25
800 x 600

18. 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)
Power failure
TRS
Software
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

19. CPUs: What is RISC?
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
240
Random Access Memory (RAM)

20. Serial ports have this many pins.
DB-15
9
Firmware
Radial Lines

21. 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.
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.
Joystick
Standardization
VGA/SVGA monitor

22. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
2048 x 1536
Redundant Array of Independant (Inexpensive) Disks.
DB-25 parallel
CMOS

23. ZIF stands 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.
Input
Software
Complex -Instruction - Set - Chips - Used in General Purpose PCs

24. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
CMOS
800 x 600
5.25
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.

25. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Complex -Instruction - Set - Chips - Used in General Purpose PCs
TRS
Networking and Communications
Radial Lines

26. What are the 6 form factors of motherboards?
RJ-11
TRS
BIOS
ATX - BTX - Micro ATX - ITX - NLX - and LPX

27. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
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-15
the CPU

28. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Output
DB-25
DB-15

29. RAID 5 has at least ___ hard drives.
3
34
1600 x 1200
B-9 serial

30. What are the 4 main types of storage?
Storage
DB-25 parallel
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
ECC

31. How many pins is a SODIMM DDR2 DIMM?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
200
verifying data integrity.
144

32. 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-25 parallel
DB-15
Volatile
Small Outline DIMM

33. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Too little voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Firewire 6-pin
removable chips on the motherboard

34. Internal modem or telephone
50 - 68 - or 80
Firewire 6-pin
RJ-11
Output

35. What do the type types of Hard Drive acronyms stand for?
tasks or 'Threads'
PCIe - PCI - AGP - ESIA - and ISA
ECC
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

36. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Front Side Bus.
Very brief time (milliseconds) of too little voltage
9-pin serial

37. Level one cache is located on ___________.
Standardization
Serial
Error Correction Code.
the CPU

38. 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.
Too much voltage
Networking and Communications
Serial
removable chips on the motherboard

39. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Standardization
USB Type A

40. External modems most commonly connect to this port.
7 or 15 (powered)
BIOS
Serial
tasks or 'Threads'

41. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
order Boot sequence - Integrated devices - drive controllers - power supply settings
240
200
PCIe - PCI - AGP - ESIA - and ISA

42. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Componentization
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.
Hardware
Small Outline DIMM

43. 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.
Too little voltage
tasks or 'Threads'
verifying data integrity.
DB-25

44. Parallel devices connect to this connector.
DB-25
BIOS
144
ATX - BTX - Micro ATX - ITX - NLX - and LPX

45. 10Base-5 Ethernet and game ports use this cable
Line Grid Array
BIOS
removable chips on the motherboard
DB-15

46. The BIOS is stored on the _______ chip that is on the motherboard.
Random Access Memory (RAM)
charged coupled device (CCD)
5.25
CMOS

47. What does RIMM stand for?
Power failure
Input
Too little voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

48. How many pins is a SODIMM DDR DIMM?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
144
B-9 serial
34

49. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
verifying data integrity.
Storage
Very brief time (milliseconds) of too little voltage

50. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Too little voltage
Standardization
CMOS
Joystick