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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. 10Base-5 Ethernet and game ports use this cable
240
Too little voltage
order Boot sequence - Integrated devices - drive controllers - power supply settings
DB-15

2. A temporary data storage location that can be read from and written to.
CMOS
Random Access Memory (RAM)
800 x 600
DB-15

3. 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.
verifying data integrity.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Small Outline DIMM
Firmware

4. Spike
USB Type A
Very Brief time (milliseconds) of too much voltage
40 or 80
Processing

5. Surge
Processing
Too much voltage
TRS
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)

6. SVGA is ____ x_____
Cathode Ray Tube
tasks or 'Threads'
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.
800 x 600

7. ZIF stands for ______.
7 or 15 (powered)
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.
Random Access Memory (RAM)
RJ-11

8. Serial mouse or external modem
BIOS
B-9 serial
verifying data integrity.
USB Type A

9. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
Hardware
removable chips on the motherboard
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Radial Lines

10. Internal modem or telephone
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
RJ-11
Pin Grid Array
Liquid Crystal Display

11. Number of Pins for Drives: 3. SATA
Pin Grid Array
Firewire 6-pin
4
7 or 15 (powered)

12. What are the two types of RAM?
200
Serial
Very brief time (milliseconds) of too little voltage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

13. Number of Pins for Drives: 2. SCSI
Speaker
Front Side Bus.
CMOS
50 - 68 - or 80

14. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Processing
ECC
800 x 600

15. 10Base-2 Ethernet uses this cable.
Liquid Crystal Display
Speaker
9
Coaxial

16. How many pins is a DDR3 DIMM?
240
800 x 600
Radial Lines
40 or 80

17. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
7 or 15 (powered)
Single Inline Memory Module - has 30 or 72 contacts on only one side.
4

18. XGA is ____x_____
Cathode Ray Tube
DB-25 parallel
9
1024 x 786

19. 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
Line Grid Array
50 - 68 - or 80
Small Outline DIMM

20. Level one cache is located on ___________.
9-pin serial
the CPU
4
the motherboard

21. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
Error Correction Code.
ECC
detects and fixes corrupt data in RAM.

22. Number of Pins for Drives: 4. FDD
34
tasks or 'Threads'
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

23. Level two cache is located on _______.
DB-15
Software
the motherboard
1600 x 1200

24. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
the CPU
3
Power failure

25. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
DB-25
1024 x 786
240
Output

26. 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.
VGA/SVGA monitor
Too little voltage
Componentization
BIOS

27. A serial mouse connects to a computer with this connector.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Redundant Array of Independant (Inexpensive) Disks.
9-pin serial
4

28. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
50 - 68 - or 80
ECC
Front Side Bus.

29. What does LCD stand for?
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
BIOS
Firmware

30. An example of a device that uses a low-density (two-row) male DB-15 connector.
charged coupled device (CCD)
Joystick
PS/2-style mouse
200

31. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Liquid Crystal Display
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
charged coupled device (CCD)

32. An area of memory that holds recently-accessed data.
Radial Lines
Pin Grid Array
B-9 serial
Cache

33. 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.
CMOS
DB-15
DB-25
charged coupled device (CCD)

34. CPUs: What is RISC?
240
Front Side Bus.
Network communications
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

35. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
Input
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
CMOS
240

36. What is a Sag?
Coaxial
Networking and Communications
Pin Grid Array
Very brief time (milliseconds) of too little voltage

37. How many pins is a DDR DIMM?
Random Access Memory (RAM)
240
Small Outline DIMM
184

38. What is VRAM used for?
B-9 serial
the CPU
RJ-11
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

39. What does SIMM stand for?
Line Grid Array
VGA/SVGA monitor
Too little voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.

40. What are the 4 main types of storage?
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
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.
Firewire 6-pin
Cathode Ray Tube

41. SCSI code is set by a 4 things - what are they?
BIOS
Very brief time (milliseconds) of too little voltage
Too little voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS

42. How many pins is a SODIMM DDR DIMM?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
144
Line Grid Array

43. What does ECC stand for?
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Error Correction Code.
50 - 68 - or 80
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

44. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
Processing
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Hardware

45. How many pins is a DDR2 DIMM?
RJ-11
240
Too much voltage
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.

46. What is a Blackout?
the motherboard
Small Outline DIMM
Power failure
DB-15

47. Parity is used in some _____________ - hard drives - and RAM.
Network communications
Standardization
Speaker
VGA/SVGA monitor

48. External modems most commonly connect to this port.
Serial
Firmware
Liquid Crystal Display
5.25

49. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
40 or 80
Error Correction Code.
PCIe - PCI - AGP - ESIA - and ISA

50. The BIOS is stored on the _______ chip that is on the motherboard.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
CMOS
CMOS