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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 VRAM used for?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
TRS
Complex -Instruction - Set - Chips - Used in General Purpose PCs
CMOS

2. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
BIOS
CMOS
Output
DB-25 parallel

3. Number of Pins for Drives: 3. SATA
TRS
7 or 15 (powered)
VGA/SVGA monitor
144

4. 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
BIOS
3
Hardware

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

6. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
144
Very Brief time (milliseconds) of too much voltage
Coaxial

7. What are the two types of RAM?
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
VGA/SVGA monitor
4

8. SCSI code is set by a 4 things - what are they?
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
TRS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
34

9. Ethernet network
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.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Componentization
RJ-45

10. UXGA is _____x_____
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
4
Coaxial
1600 x 1200

11. A temporary data storage location that can be read from and written to.
Liquid Crystal Display
Processing
Random Access Memory (RAM)
Complex -Instruction - Set - Chips - Used in General Purpose PCs

12. How many pins is a DDR3 DIMM?
240
Network communications
DB-25
Too much voltage

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
4
Joystick
CMOS

14. The BIOS is stored on the _______ chip that is on the motherboard.
Processing
Cache
Power failure
CMOS

15. A type of memory that loses data when the power is no longer supplied to the component.
B-9 serial
BIOS
USB Type A
Volatile

16. BIOS allows you to do 4 things - what are they?
Joystick
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
ECC
order Boot sequence - Integrated devices - drive controllers - power supply settings

17. Serial ports have this many pins.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
240
charged coupled device (CCD)
9

18. What is a Blackout?
DB-25
5.25
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Power failure

19. Surge
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
40 or 80
Too much voltage
Line Grid Array

20. CPUs: What is RISC?
Network communications
Firmware
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
tasks or 'Threads'

21. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Coaxial
40 or 80
Network communications
9-pin serial

22. What does CRT stand for?
ECC
Coaxial
Cathode Ray Tube
Very Brief time (milliseconds) of too much voltage

23. What is a Sag?
Networking and Communications
Joystick
Very brief time (milliseconds) of too little voltage
1024 x 786

24. 10Base-5 Ethernet and game ports use this cable
Firewire 6-pin
184
Error Correction Code.
DB-15

25. External modems most commonly connect to this port.
Too little voltage
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
1024 x 786
Serial

26. ZIF stands for ______.
4
Firewire 6-pin
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.
Liquid Crystal Display

27. What does LCD stand for?
Liquid Crystal Display
Redundant Array of Independant (Inexpensive) Disks.
PS/2-style mouse
removable chips on the motherboard

28. Serial mouse or external modem
240
RJ-45
B-9 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.

29. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Front Side Bus.
Hardware
BIOS
Firewire 6-pin

30. LGA stands for ______.
Line Grid Array
7 or 15 (powered)
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

31. Level one cache is located on ___________.
the CPU
DB-25
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Standardization

32. Spike
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Very Brief time (milliseconds) of too much voltage
Firewire 6-pin
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

33. CPUS: What is CISC?
Too little voltage
Complex -Instruction - Set - Chips - Used in General Purpose PCs
verifying data integrity.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash

34. QXGA is ____x____
tasks or 'Threads'
2048 x 1536
removable chips on the motherboard
Small Outline DIMM

35. What are the 4 main types of storage?
CMOS
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the motherboard
Serial

36. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Radial Lines
Speaker
Hardware
detects and fixes corrupt data in RAM.

37. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
CMOS
detects and fixes corrupt data in RAM.
Front Side Bus.
Volatile

38. SDRAM sands for _______.
DB-25 parallel
Input
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
144

39. 10Base-2 Ethernet uses this cable.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
PS/2-style mouse
Coaxial
5.25

40. What is a Brownout?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
9
Too little voltage
Speaker

41. How many pins is a MICRODIMM DIMM?
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.
BIOS
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
144

42. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
order Boot sequence - Integrated devices - drive controllers - power supply settings
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Hardware

43. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
VGA/SVGA monitor
Very brief time (milliseconds) of too little voltage
4

44. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Pin Grid Array
184
Radial Lines
Output

45. What does RIMM stand for?
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.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

46. How many pins is a SODIMM DDR DIMM?
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
144
184
Cathode Ray Tube

47. How many pins is a DDR2 DIMM?
240
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
DB-25
RJ-11

48. What are the 6 form factors of motherboards?
Network communications
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RJ-11
Cathode Ray Tube

49. What does ECC do?
detects and fixes corrupt data in RAM.
USB Type A
Serial
the CPU

50. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Redundant Array of Independant (Inexpensive) Disks.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
4