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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. 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
Processing
Very brief time (milliseconds) of too little voltage
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

2. Parity is used in some _____________ - hard drives - and RAM.
Speaker
Power failure
Serial
Network communications

3. SVGA is ____ x_____
800 x 600
4
USB Type A
Front Side Bus.

4. What is VRAM used for?
DB-15
PS/2-style mouse
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
order Boot sequence - Integrated devices - drive controllers - power supply settings

5. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Processing
Output
Hardware

6. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Cache
VGA/SVGA monitor
CMOS

7. What does SIMM stand for?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Single Inline Memory Module - has 30 or 72 contacts on only one side.
charged coupled device (CCD)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

8. An area of memory that holds recently-accessed data.
Cache
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Speaker
PS/2-style mouse

9. Printers
Very Brief time (milliseconds) of too much voltage
Volatile
DB-25 parallel
Componentization

10. UXGA is _____x_____
DB-15
144
1600 x 1200
Complex -Instruction - Set - Chips - Used in General Purpose PCs

11. CPUs: What is RISC?
Hardware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Networking and Communications
RJ-11

12. What is a Blackout?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Power failure
Processing
RJ-11

13. 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
Error Correction Code.
4
the CPU

14. A serial mouse connects to a computer with this connector.
9-pin serial
the motherboard
Firewire 6-pin
Redundant Array of Independant (Inexpensive) Disks.

15. 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.
Software
Very brief time (milliseconds) of too little voltage
Componentization
Random Access Memory (RAM)

16. 10Base-2 Ethernet uses this cable.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Coaxial
VGA/SVGA monitor
detects and fixes corrupt data in RAM.

17. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Front Side Bus.
Output
order Boot sequence - Integrated devices - drive controllers - power supply settings
Cathode Ray Tube

18. An example of a device that uses a low-density (two-row) male DB-15 connector.
charged coupled device (CCD)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
144
Joystick

19. Spike
B-9 serial
200
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Very Brief time (milliseconds) of too much voltage

20. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
9
Front Side Bus.
240

21. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
800 x 600
Network communications
PCIe - PCI - AGP - ESIA - and ISA
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

22. PGA stands for
Pin Grid Array
3
Storage
removable chips on the motherboard

23. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Line Grid Array
Radial Lines
BIOS
TRS

24. 10Base-5 Ethernet and game ports use this cable
Firmware
DB-15
Output
Small Outline DIMM

25. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Pin Grid Array
Error Correction Code.
Storage
DB-15

26. What are the two types of RAM?
Network communications
Software
Speaker
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

27. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
BIOS
RJ-11
Hardware
Small Outline DIMM

28. Ethernet network
Power failure
CMOS
Front Side Bus.
RJ-45

29. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Too much voltage
Output
4
ECC

30. 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)
Line Grid Array
Software
800 x 600
40 or 80

31. Number of Pins for Drives: 4. FDD
7 or 15 (powered)
34
charged coupled device (CCD)
Coaxial

32. RAID stands for _________.
order Boot sequence - Integrated devices - drive controllers - power supply settings
Cache
Redundant Array of Independant (Inexpensive) Disks.
5.25

33. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Radial Lines
5.25
Serial
Processing

34. What is a Sag?
Software
Very brief time (milliseconds) of too little voltage
9
Output

35. Level one cache is located on ___________.
Firewire 6-pin
2048 x 1536
DB-25
the CPU

36. What is a Brownout?
Very brief time (milliseconds) of too little voltage
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
BIOS
Too little voltage

37. An example of firmware.
BIOS
Error Correction Code.
USB Type A
Serial

38. RAID 5 has at least ___ hard drives.
4
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
Single Inline Memory Module - has 30 or 72 contacts on only one side.

39. 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.
Error Correction Code.
USB Type A
Input
Standardization

40. LGA stands for ______.
DB-15
PS/2-style mouse
Line Grid Array
Power failure

41. CPUS: What is CISC?
Firmware
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Joystick

42. Number of Pins for Drives: 3. SATA
9-pin serial
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
7 or 15 (powered)
RJ-11

43. Parallel devices connect to this connector.
ECC
DB-25
240
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

44. Before sending a power supply to the recycling facility...
9-pin 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.
tasks or 'Threads'
Power failure

45. An example of a device that uses a high-density (three-row) DB-15 connector.
50 - 68 - or 80
VGA/SVGA monitor
Random Access Memory (RAM)
Too little voltage

46. What does CRT stand for?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Cathode Ray Tube
RJ-11
USB Type A

47. What is the formal name of the 'headphone jack'?
USB Type A
CMOS
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.

48. What does RIMM stand for?
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
detects and fixes corrupt data in RAM.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
4

49. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
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.
charged coupled device (CCD)
CMOS
Complex -Instruction - Set - Chips - Used in General Purpose PCs

50. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
240
VGA/SVGA monitor
RJ-11