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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. External modems most commonly connect to this port.
Serial
200
3
240

2. An example of a device that uses a TRS connector.
Speaker
144
RJ-45
Firewire 6-pin

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

4. Parity is used in some _____________ - hard drives - and RAM.
Network communications
144
1024 x 786
Firewire 6-pin

5. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
tasks or 'Threads'
4
Single Inline Memory Module - has 30 or 72 contacts on only one side.
184

6. The BIOS is stored on the _______ chip that is on the motherboard.
DB-15
Storage
Standardization
CMOS

7. What are the two types of RAM?
2048 x 1536
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
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

8. Multiple core allow the PC to simultaneously process multiple ______.

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9. Number of Pins for Drives: 2. SCSI
7 or 15 (powered)
50 - 68 - or 80
Liquid Crystal Display
Error Correction Code.

10. What does SODIMM stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Small Outline DIMM
Componentization
Speaker

11. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
Hardware
5.25
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
ECC

12. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
Storage
USB Type A
Radial Lines
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.

13. UXGA is _____x_____
240
Output
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
1600 x 1200

14. How many pins is a SODIMM DDR2 DIMM?
200
charged coupled device (CCD)
order Boot sequence - Integrated devices - drive controllers - power supply settings
800 x 600

15. A type of memory that loses data when the power is no longer supplied to the component.
Volatile
Radial Lines
50 - 68 - or 80
Cache

16. What does ECC do?
detects and fixes corrupt data in RAM.
9-pin serial
USB Type A
40 or 80

17. PGA stands for
Pin Grid Array
Coaxial
TRS
Storage

18. SVGA is ____ x_____
Line Grid Array
800 x 600
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Cache

19. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
DB-15
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.
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
5.25

20. SDRAM sands for _______.
7 or 15 (powered)
Firewire 6-pin
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
ECC

21. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
Serial
Very brief time (milliseconds) of too little voltage
DB-15

22. The actual speed of the CPU is governed by a _______ setting called the clock rate.
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Single Inline Memory Module - has 30 or 72 contacts on only one side.
BIOS

23. 10Base-5 Ethernet and game ports use this cable
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
charged coupled device (CCD)
DB-15
Output

24. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
40 or 80
the motherboard
34

25. SCSI code is set by a 4 things - what are they?
DB-15
Power failure
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Pin Grid Array

26. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Firmware
Too much voltage
USB Type A
Line Grid Array

27. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
ECC
detects and fixes corrupt data in RAM.
Error Correction Code.

28. What does SIMM stand for?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
B-9 serial
Serial
Single Inline Memory Module - has 30 or 72 contacts on only one side.

29. What are the 4 main types of storage?
Radial Lines
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Complex -Instruction - Set - Chips - Used in General Purpose PCs
RJ-45

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.
Processing
5.25
Radial Lines
Networking and Communications

31. Printers
Input
DB-25 parallel
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.
Firmware

32. ZIF stands for ______.
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.
RJ-11
34

33. Serial mouse or external modem
Joystick
Redundant Array of Independant (Inexpensive) Disks.
DB-25
B-9 serial

34. Level one cache is located on ___________.
the CPU
Radial Lines
Processing
the motherboard

35. An example of firmware.
Speaker
Cache
BIOS
240

36. Parallel devices connect to this connector.
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.
DB-25
TRS
Cache

37. An example of a device that uses a 6-pin Mini-DIN connector.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
PS/2-style mouse
7 or 15 (powered)
Output

38. QXGA is ____x____
Cache
2048 x 1536
VGA/SVGA monitor
TRS

39. 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.
charged coupled device (CCD)
verifying data integrity.
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
240

40. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Cache
Firewire 6-pin
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Processing

41. How many pins is a MICRODIMM DIMM?
Line Grid Array
PS/2-style mouse
VGA/SVGA monitor
144

42. level three cache is located on _________.
removable chips on the motherboard
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Joystick
USB Type A

43. Before sending a power supply to the recycling facility...
1024 x 786
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.

44. What are the 6 form factors of motherboards?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Front Side Bus.
50 - 68 - or 80
DB-15

45. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
DB-25 parallel
2048 x 1536
Firewire 6-pin
Output

46. 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.
Network communications
B-9 serial
9
DB-15

47. A temporary data storage location that can be read from and written to.
Componentization
Random Access Memory (RAM)
Error Correction Code.
Coaxial

48. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
order Boot sequence - Integrated devices - drive controllers - power supply settings
Very brief time (milliseconds) of too little voltage
Output
CMOS

49. What is a Brownout?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
Too much voltage
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Too little voltage

50. Number of Pins for Drives: 3. SATA
ECC
7 or 15 (powered)
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.
Pin Grid Array