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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. A type of memory that loses data when the power is no longer supplied to the component.
TRS
Volatile
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
4

2. SVGA is ____ x_____
800 x 600
removable chips on the motherboard
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
B-9 serial

3. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Very brief time (milliseconds) of too little voltage
Front Side Bus.
Very Brief time (milliseconds) of too much voltage
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.

4. Internal modem or telephone
RJ-11
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Front Side Bus.
3

5. UXGA is _____x_____
ATX - BTX - Micro ATX - ITX - NLX - and LPX
1600 x 1200
B-9 serial
Very brief time (milliseconds) of too little voltage

6. What are the 6 form factors of motherboards?
CMOS
240
ATX - BTX - Micro ATX - ITX - NLX - and LPX
9

7. Printers
DB-25 parallel
charged coupled device (CCD)
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
DB-15

8. What does SODIMM stand for?
Small Outline DIMM
ATX - BTX - Micro ATX - ITX - NLX - and LPX
184
Front Side Bus.

9. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Software
800 x 600
Pin Grid Array

10. 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.
Too much voltage
USB Type A
RJ-45

11. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
BIOS
Very brief time (milliseconds) of too little voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

12. How many pins is a DDR DIMM?
184
Very Brief time (milliseconds) of too much voltage
Networking and Communications
the motherboard

13. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Error Correction Code.
Very Brief time (milliseconds) of too much voltage
Output

14. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
CMOS
Too much voltage

15. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
removable chips on the motherboard
Joystick
the CPU

16. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144
Networking and Communications
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

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

18. PGA stands for
ATX - BTX - Micro ATX - ITX - NLX - and LPX
order Boot sequence - Integrated devices - drive controllers - power supply settings
Pin Grid Array
ECC

19. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
Radial Lines
BIOS
Standardization

20. What is a Sag?
Random Access Memory (RAM)
Networking and Communications
Very brief time (milliseconds) of too little voltage
Too little voltage

21. Number of Pins for Drives: 4. FDD
34
CMOS
Firewire 6-pin
Input

22. What are the 4 main types of storage?
detects and fixes corrupt data in RAM.
800 x 600
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Line Grid Array

23. 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
1024 x 786
144
Cathode Ray Tube

24. XGA is ____x_____
4
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
1024 x 786
Redundant Array of Independant (Inexpensive) Disks.

25. Number of Pins for Drives: 2. SCSI
DB-15
Storage
Redundant Array of Independant (Inexpensive) Disks.
50 - 68 - or 80

26. Serial mouse or external modem
Volatile
240
B-9 serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.

27. Serial ports have this many pins.
9
144
PCIe - PCI - AGP - ESIA - and ISA
200

28. SCSI code is set by a 4 things - what are they?
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.
144
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
200

29. level three cache is located on _________.
5.25
verifying data integrity.
the CPU
removable chips on the motherboard

30. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Redundant Array of Independant (Inexpensive) Disks.
240
Firmware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

31. Parallel devices connect to this connector.
Hardware
Liquid Crystal Display
DB-25
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

32. 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)
RJ-11
Software
DB-15
Too little voltage

33. 10Base-2 Ethernet uses this cable.
Cache
DB-15
Power failure
Coaxial

34. How many pins is a DDR3 DIMM?
CMOS
240
Serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.

35. What is a Brownout?
Too little voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
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.
Volatile

36. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
Front Side Bus.
Firewire 6-pin
2048 x 1536
charged coupled device (CCD)

37. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
USB Type A
40 or 80
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.
Cathode Ray Tube

38. What is Virtual RAM?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Too little voltage
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.
DB-15

39. Multiple core allow the PC to simultaneously process multiple ______.

40. RAID 5 has at least ___ hard drives.
Output
Input
Liquid Crystal Display
3

41. Before sending a power supply to the recycling facility...
Cache
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.
RJ-45
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.

42. What does RIMM stand for?
CMOS
DB-15
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

43. Parity is used in some _____________ - hard drives - and 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.
Network communications
CMOS
4

44. What is VRAM used for?
Too much voltage
Small Outline DIMM
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
RJ-11

45. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Pin Grid Array
Small Outline DIMM
7 or 15 (powered)
PCIe - PCI - AGP - ESIA - and ISA

46. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
DB-25 parallel
CMOS
Hardware

47. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
40 or 80
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-15

48. 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.
Network communications
detects and fixes corrupt data in RAM.
PS/2-style mouse
verifying data integrity.

49. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
34
5.25
removable chips on the motherboard

50. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
DB-25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
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.