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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 a device that uses a low-density (two-row) male DB-15 connector.
240
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Joystick
Power failure

2. An area of memory that holds recently-accessed data.
144
Power failure
Cache
4

3. How many pins is a MICRODIMM DIMM?
Serial
144
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Too little voltage

4. Serial mouse or external modem
Standardization
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
B-9 serial
DB-25

5. Level two cache is located on _______.
Radial Lines
the CPU
the motherboard
Input

6. What does ECC stand for?
Volatile
Error Correction Code.
Very brief time (milliseconds) of too little voltage
CMOS

7. Before sending a power supply to the recycling facility...
Power failure
VGA/SVGA monitor
PS/2-style mouse
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.

8. What does CRT stand for?
Redundant Array of Independant (Inexpensive) Disks.
Cathode Ray Tube
tasks or 'Threads'
1024 x 786

9. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Networking and Communications
5.25
3
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

10. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
TRS
order Boot sequence - Integrated devices - drive controllers - power supply settings
CMOS
RJ-45

11. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
Network communications
Coaxial
the motherboard

12. Printers
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1024 x 786
DB-25 parallel
Input

13. CPUS: What is CISC?
Output
Pin Grid Array
Line Grid Array
Complex -Instruction - Set - Chips - Used in General Purpose PCs

14. Serial ports have this many pins.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Too little voltage
9
Cathode Ray Tube

15. Parity is used in some _____________ - hard drives - and RAM.
1024 x 786
removable chips on the motherboard
Network communications
Volatile

16. What is VRAM used for?
7 or 15 (powered)
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Firmware
Hardware

17. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Processing
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
RJ-45
charged coupled device (CCD)

18. Level one cache is located on ___________.
1600 x 1200
the CPU
Serial
Radial Lines

19. Number of Pins for Drives: 2. SCSI
Hardware
RJ-11
verifying data integrity.
50 - 68 - or 80

20. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Small Outline DIMM
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
184

21. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
DB-15
DB-25 parallel
Storage
removable chips on the motherboard

22. 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.
200
BIOS
DB-15
verifying data integrity.

23. External modems most commonly connect to this port.
240
ECC
Coaxial
Serial

24. How many pins is a SODIMM DDR2 DIMM?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
removable chips on the motherboard
Radial Lines
200

25. 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)
TRS
DB-15
Software
Cathode Ray Tube

26. Spike
Coaxial
Cache
40 or 80
Very Brief time (milliseconds) of too much voltage

27. SVGA is ____ x_____
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
800 x 600
Cathode Ray Tube
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.

28. 10Base-2 Ethernet uses this cable.
Radial Lines
Coaxial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Firmware

29. What is a Sag?
9-pin serial
2048 x 1536
Very brief time (milliseconds) of too little voltage
144

30. 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.
B-9 serial
Front Side Bus.
Networking and Communications
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

31. Ethernet network
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Error Correction Code.
verifying data integrity.
RJ-45

32. An example of a device that uses a high-density (three-row) DB-15 connector.
BIOS
Input
VGA/SVGA monitor
Very Brief time (milliseconds) of too much voltage

33. How many pins is a SODIMM DDR DIMM?
144
verifying data integrity.
240
Standardization

34. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
Output
2048 x 1536
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Storage

35. 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.
DB-15
40 or 80
Componentization
Networking and Communications

36. What do the type types of Hard Drive acronyms stand for?
Too much voltage
Componentization
RJ-45
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

37. A temporary data storage location that can be read from and written to.
removable chips on the motherboard
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Random Access Memory (RAM)
Cathode Ray Tube

38. 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.
Processing
DB-15
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Cache

39. SCSI code is set by a 4 things - what are they?
Power failure
Output
DB-25
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

40. RAID stands for _________.
Firmware
Volatile
Redundant Array of Independant (Inexpensive) Disks.
9-pin serial

41. An example of a device that uses a 6-pin Mini-DIN connector.
Firewire 6-pin
PS/2-style mouse
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.

42. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
USB Type A
removable chips on the motherboard
Error Correction Code.

43. The BIOS is stored on the _______ chip that is on the motherboard.
1600 x 1200
Front Side Bus.
CMOS
tasks or 'Threads'

44. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
DB-25
Network communications
ECC
BIOS

45. UXGA is _____x_____
240
1600 x 1200
34
DB-15

46. What does RIMM stand for?
9-pin serial
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Hardware
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

47. How many pins is a DDR3 DIMM?
removable chips on the motherboard
50 - 68 - or 80
240
Cathode Ray Tube

48. QXGA is ____x____
Random Access Memory (RAM)
9-pin serial
Liquid Crystal Display
2048 x 1536

49. What does SODIMM stand for?
Small Outline DIMM
Storage
Processing
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

50. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
2048 x 1536
Coaxial
CMOS