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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. An example of firmware.
Joystick
BIOS
1600 x 1200
DB-25

2. The actual speed of the CPU is governed by a _______ setting called the clock rate.
Error Correction Code.
BIOS
CMOS
PS/2-style mouse

3. Parallel devices connect to this connector.
Liquid Crystal Display
DB-25
7 or 15 (powered)
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

4. What does ECC stand for?
BIOS
B-9 serial
Line Grid Array
Error Correction Code.

5. An example of a device that uses a low-density (two-row) male DB-15 connector.
Network communications
Too much voltage
removable chips on the motherboard
Joystick

6. What does RIMM stand for?
DB-25 parallel
240
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
184

7. ZIF stands for ______.
Volatile
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.
2048 x 1536
Liquid Crystal Display

8. Printers
Error Correction Code.
removable chips on the motherboard
TRS
DB-25 parallel

9. RAID 5 has at least ___ hard drives.
3
Pin Grid Array
Too little voltage
5.25

10. Internal modem or telephone
Speaker
RJ-11
Standardization
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

11. An area of memory that holds recently-accessed data.
verifying data integrity.
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.
Coaxial
Cache

12. 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.
Input
Cache
4
Componentization

13. QXGA is ____x____
the motherboard
Very brief time (milliseconds) of too little voltage
CMOS
2048 x 1536

14. PGA stands for
Front Side Bus.
PS/2-style mouse
Pin Grid Array
Joystick

15. What does LCD stand for?
Liquid Crystal Display
DB-25
RJ-11
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.

16. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Output
Hardware
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Volatile

17. Serial ports have this many pins.
Front Side Bus.
9
7 or 15 (powered)
Hardware

18. External modems most commonly connect to this port.
50 - 68 - or 80
CMOS
Network communications
Serial

19. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
Serial
RJ-11
CMOS
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

20. SCSI code is set by a 4 things - what are they?
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
B-9 serial
Input

21. An example of a device that uses a 6-pin Mini-DIN connector.
PS/2-style mouse
3
BIOS
9-pin serial

22. How many pins is a DDR DIMM?
240
TRS
184
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.

23. What are the two types of RAM?
Error Correction Code.
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Output
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

24. SVGA is ____ x_____
800 x 600
Very Brief time (milliseconds) of too much voltage
PS/2-style mouse
charged coupled device (CCD)

25. 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.
detects and fixes corrupt data in RAM.
240
Volatile
Standardization

26. What is VRAM used for?
Pin Grid Array
detects and fixes corrupt data in RAM.
verifying data integrity.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

27. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Joystick
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Firewire 6-pin

28. Number of Pins for Drives: 4. FDD
Joystick
tasks or 'Threads'
3
34

29. What does SIMM stand for?
1024 x 786
the motherboard
Single Inline Memory Module - has 30 or 72 contacts on only one side.
184

30. 10Base-5 Ethernet and game ports use this cable
verifying data integrity.
DB-15
40 or 80
USB Type A

31. How many pins is a SODIMM DDR2 DIMM?
Firewire 6-pin
Line Grid Array
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.
200

32. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Joystick
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RJ-45
Front Side Bus.

33. What does CRT stand for?
Input
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cathode Ray Tube
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

34. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
DB-25
Random Access Memory (RAM)
RJ-11
PCIe - PCI - AGP - ESIA - and ISA

35. How many pins is a DDR2 DIMM?
7 or 15 (powered)
240
Storage
B-9 serial

36. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
tasks or 'Threads'
34
200

37. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
50 - 68 - or 80
184
USB Type A
Input

38. What is a Sag?
Very brief time (milliseconds) of too little voltage
DB-25 parallel
the motherboard
Front Side Bus.

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

40. level three cache is located on _________.
Coaxial
removable chips on the motherboard
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
CMOS

41. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Network communications
240
5.25
Processing

42. Number of Pins for Drives: 2. SCSI
800 x 600
7 or 15 (powered)
Coaxial
50 - 68 - or 80

43. 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.
RJ-45
Too much voltage
Networking and Communications
Line Grid Array

44. What is a Blackout?
Power failure
Cache
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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

45. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Input
2048 x 1536
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Firmware

46. What is Virtual RAM?
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.
tasks or 'Threads'
800 x 600
DB-15

47. Number of Pins for Drives: 3. SATA
Output
2048 x 1536
removable chips on the motherboard
7 or 15 (powered)

48. LGA stands for ______.
Error Correction Code.
Line Grid Array
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
CMOS

49. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
CMOS
Very brief time (milliseconds) of too little voltage
Cache

50. RAID stands for _________.
240
Redundant Array of Independant (Inexpensive) Disks.
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.
RJ-11