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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. How many pins is a DDR3 DIMM?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
detects and fixes corrupt data in RAM.
240
the CPU

2. The actual speed of the CPU is governed by a _______ setting called the clock rate.
RJ-11
Cache
Coaxial
BIOS

3. 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.
4
184
DB-15
Storage

4. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
Very Brief time (milliseconds) of too much voltage
Hardware
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
CMOS

5. level three cache is located on _________.
the motherboard
removable chips on the motherboard
Power failure
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

6. External modems most commonly connect to this port.
Redundant Array of Independant (Inexpensive) Disks.
Serial
240
Very brief time (milliseconds) of too little voltage

7. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
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.
PCIe - PCI - AGP - ESIA - and ISA
Processing
144

8. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
7 or 15 (powered)
Standardization
4

9. How many pins is a DDR2 DIMM?
144
240
order Boot sequence - Integrated devices - drive controllers - power supply settings
Componentization

10. BIOS allows you to do 4 things - what are they?
order Boot sequence - Integrated devices - drive controllers - power supply settings
Networking and Communications
DB-15
5.25

11. Serial mouse or external modem
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.
Networking and Communications
B-9 serial
Joystick

12. Level one cache is located on ___________.
Radial Lines
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
the CPU
DB-15

13. What is a Sag?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Very brief time (milliseconds) of too little voltage
DB-15
ECC

14. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
Cache
TRS
USB Type A
ECC

15. What does ECC stand for?
Error Correction Code.
order Boot sequence - Integrated devices - drive controllers - power supply settings
USB Type A
Joystick

16. Before sending a power supply to the recycling facility...
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.
Too little voltage
5.25
Cache

17. What does SIMM stand for?
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Redundant Array of Independant (Inexpensive) Disks.
40 or 80
Too much voltage

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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Front Side Bus.
Componentization
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

19. What does CRT stand for?
Cathode Ray Tube
34
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Firewire 6-pin

20. UXGA is _____x_____
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Volatile
1600 x 1200
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

21. What does SODIMM stand for?
240
144
Small Outline DIMM
detects and fixes corrupt data in RAM.

22. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Very brief time (milliseconds) of too little voltage
B-9 serial
5.25

23. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Cache
144
Storage
Firmware

24. Serial ports have this many pins.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Firmware
9
PCIe - PCI - AGP - ESIA - and ISA

25. Level two cache is located on _______.
the motherboard
1024 x 786
the CPU
Volatile

26. What is Virtual RAM?
7 or 15 (powered)
Standardization
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.
Componentization

27. A serial mouse connects to a computer with this connector.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
9-pin serial
BIOS
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.

28. The BIOS is stored on the _______ chip that is on the motherboard.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Serial
CMOS
1024 x 786

29. ZIF stands for ______.
Networking and Communications
1600 x 1200
tasks or 'Threads'
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.

30. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
removable chips on the motherboard
USB Type A
7 or 15 (powered)
Coaxial

31. Surge
VGA/SVGA monitor
Too much voltage
TRS
Liquid Crystal Display

32. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
PS/2-style mouse
DB-15
Network communications

33. LGA stands for ______.
240
Line Grid Array
charged coupled device (CCD)
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

34. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
PCIe - PCI - AGP - ESIA - and ISA
144
7 or 15 (powered)

35. Ethernet network
RJ-45
5.25
Firmware
DB-25

36. Number of Pins for Drives: 3. SATA
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.
40 or 80
7 or 15 (powered)
Power failure

37. A type of memory that loses data when the power is no longer supplied to the component.
verifying data integrity.
Volatile
ECC
144

38. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
the motherboard
USB Type A
Front Side Bus.
Software

39. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Too much voltage
Error Correction Code.
verifying data integrity.

40. SDRAM sands for _______.
Processing
the motherboard
Too much voltage
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

41. 10Base-2 Ethernet uses this cable.
1600 x 1200
Coaxial
Very Brief time (milliseconds) of too much voltage
184

42. Number of Pins for Drives: 2. SCSI
Volatile
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
50 - 68 - or 80
B-9 serial

43. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Firmware
3
Processing

44. What are the 6 form factors of motherboards?
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.
Input
ATX - BTX - Micro ATX - ITX - NLX - and LPX

45. 10Base-5 Ethernet and game ports use this cable
BIOS
DB-15
Error Correction Code.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

46. How many pins is a DDR DIMM?
184
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Networking and Communications
800 x 600

47. An example of firmware.
184
2048 x 1536
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.
BIOS

48. How many pins is a MICRODIMM DIMM?
Pin Grid Array
144
removable chips on the motherboard
9

49. 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
Storage
240
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.

50. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Too little voltage
Liquid Crystal Display
Volatile