Test your basic knowledge |

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. What is a Sag?
240
Liquid Crystal Display
5.25
Very brief time (milliseconds) of too little voltage

2. An area of memory that holds recently-accessed data.
9
Speaker
Cache
Storage

3. CPUs: What is RISC?
DB-15
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
CMOS

4. Level two cache is located on _______.
800 x 600
Cache
the motherboard
Small Outline DIMM

5. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
VGA/SVGA monitor
Pin Grid Array
4
order Boot sequence - Integrated devices - drive controllers - power supply settings

6. ZIF stands for ______.
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Very brief time (milliseconds) of too little voltage
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

7. An example of firmware.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Pin Grid Array
Network communications
BIOS

8. The BIOS is stored on the _______ chip that is on the motherboard.
Networking and Communications
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
CMOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.

9. A type of memory that loses data when the power is no longer supplied to the component.
200
CMOS
2048 x 1536
Volatile

10. A serial mouse connects to a computer with 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.
9-pin serial
Too much voltage
CMOS

11. What does SODIMM stand for?
Small Outline DIMM
800 x 600
Speaker
34

12. 10Base-5 Ethernet and game ports use this cable
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Input
Front Side Bus.
DB-15

13. SDRAM sands for _______.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Complex -Instruction - Set - Chips - Used in General Purpose PCs
removable chips on the motherboard

14. What is the formal name of the 'headphone jack'?
Firmware
removable chips on the motherboard
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
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.

15. Number of Pins for Drives: 4. FDD
Very Brief time (milliseconds) of too much voltage
34
Radial Lines
50 - 68 - or 80

16. How many pins is a SODIMM DDR DIMM?
9
Error Correction Code.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
144

17. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
Firmware
Power failure
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.

18. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
Single Inline Memory Module - has 30 or 72 contacts on only one side.
1600 x 1200
Complex -Instruction - Set - Chips - Used in General Purpose PCs

19. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
Hardware
CMOS
DB-25 parallel
Firmware

20. What is a Brownout?
Firmware
Cache
RJ-45
Too little voltage

21. XGA is ____x_____
PCIe - PCI - AGP - ESIA - and ISA
Firewire 6-pin
1024 x 786
Pin Grid Array

22. SVGA is ____ x_____
3
800 x 600
ECC
Very brief time (milliseconds) of too little voltage

23. Parity is used in some _____________ - hard drives - and RAM.
Too little voltage
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Network communications
Error Correction Code.

24. Serial ports have this many pins.
9
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
DB-25
Redundant Array of Independant (Inexpensive) Disks.

25. What is Virtual RAM?
RJ-11
1600 x 1200
video ram for the use of the Graphic Processing Unit (GPU). Not related to 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.

26. How many pins is a DDR2 DIMM?
CMOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Power failure
240

27. How many pins is a SODIMM DDR2 DIMM?
200
CMOS
verifying data integrity.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

28. What does ECC do?
Joystick
184
Line Grid Array
detects and fixes corrupt data in RAM.

29. 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)
CMOS
184
Software
verifying data integrity.

30. Surge
Too much voltage
240
Redundant Array of Independant (Inexpensive) Disks.
184

31. BIOS allows you to do 4 things - what are they?
Output
Serial
removable chips on the motherboard
order Boot sequence - Integrated devices - drive controllers - power supply settings

32. Printers
800 x 600
DB-25 parallel
Hardware
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.

33. What is a Blackout?
4
200
USB Type A
Power failure

34. 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.
RJ-11
DB-15
Radial Lines
RJ-45

35. PGA stands for
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Pin Grid Array
verifying data integrity.

36. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Speaker
Storage
Software
Hardware

37. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Software
Processing
ATX - BTX - Micro ATX - ITX - NLX - and LPX
5.25

38. What does SIMM 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.
PCIe - PCI - AGP - ESIA - and ISA
removable chips on the motherboard
Single Inline Memory Module - has 30 or 72 contacts on only one side.

39. Number of Pins for Drives: 2. SCSI
50 - 68 - or 80
CMOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
B-9 serial

40. UXGA is _____x_____
1600 x 1200
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
240
Random Access Memory (RAM)

41. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Very brief time (milliseconds) of too little voltage
Output

42. Serial mouse or external modem
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
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.
B-9 serial

43. 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.
Too much voltage
Componentization
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144

44. Level one cache is located on ___________.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
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.
the CPU

45. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
DB-25
Too little voltage
40 or 80
charged coupled device (CCD)

46. 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.
Standardization
Single Inline Memory Module - has 30 or 72 contacts on only one side.
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.
Radial Lines

47. What is VRAM used for?
800 x 600
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
240
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.

48. How many pins is a DDR DIMM?
detects and fixes corrupt data in RAM.
184
charged coupled device (CCD)
Very brief time (milliseconds) of too little voltage

49. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
VGA/SVGA monitor
detects and fixes corrupt data in RAM.
1024 x 786

50. What does RIMM stand for?
ATX - BTX - Micro ATX - ITX - NLX - and LPX
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Hardware
Processing