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. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
charged coupled device (CCD)
3
Redundant Array of Independant (Inexpensive) Disks.

2. How many pins is a DDR3 DIMM?
Firmware
Cathode Ray Tube
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
240

3. An example of a device that uses a high-density (three-row) DB-15 connector.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Power failure
VGA/SVGA monitor
Software

4. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Very Brief time (milliseconds) of too much voltage
9-pin serial
Line Grid Array

5. Parity is used in some _____________ - hard drives - and RAM.
Network communications
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Standardization
Too little voltage

6. 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
DB-15
DB-25 parallel
Software

7. RAID 5 has at least ___ hard drives.
Pin Grid Array
Liquid Crystal Display
ATX - BTX - Micro ATX - ITX - NLX - and LPX
3

8. 10Base-2 Ethernet uses this cable.
RJ-45
CMOS
Coaxial
2048 x 1536

9. Internal modem or telephone
detects and fixes corrupt data in RAM.
Firmware
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
RJ-11

10. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Standardization
800 x 600
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

11. How many pins is a SODIMM DDR DIMM?
Joystick
ATX - BTX - Micro ATX - ITX - NLX - and LPX
144
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot

12. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
184
144
DB-25 parallel
Output

13. 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.
240
Cathode Ray Tube
verifying data integrity.
the CPU

14. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
RJ-11
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Firmware
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM

15. UXGA is _____x_____
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
1600 x 1200
verifying data integrity.
Firmware

16. What does CRT stand for?
Cathode Ray Tube
Software
Small Outline DIMM
CMOS

17. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
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.
Joystick
Processing
Power failure

18. External modems most commonly connect to this port.
Speaker
9-pin serial
Serial
DB-15

19. Printers
Very brief time (milliseconds) of too little voltage
Cathode Ray Tube
DB-25 parallel
DB-25

20. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
Network communications
Software
4
34

21. SVGA is ____ x_____
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
B-9 serial
800 x 600
tasks or 'Threads'

22. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
200
BIOS
9

23. Surge
Too much voltage
DB-15
Volatile
7 or 15 (powered)

24. Number of Pins for Drives: 4. FDD
34
DB-25 parallel
ECC
RJ-11

25. BIOS allows you to do 4 things - what are they?
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.
Input
Radial Lines
order Boot sequence - Integrated devices - drive controllers - power supply settings

26. 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)
Coaxial
Cathode Ray Tube
the CPU
Software

27. An example of firmware.
40 or 80
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Output
BIOS

28. QXGA is ____x____
Serial
Storage
Cache
2048 x 1536

29. What do the type types of Hard Drive acronyms stand for?
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
CMOS
Random Access Memory (RAM)
BIOS

30. How many pins is a DDR DIMM?
240
the motherboard
184
DB-25

31. Serial mouse or external modem
Output
B-9 serial
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack

32. 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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Random Access Memory (RAM)
Networking and Communications
RJ-11

33. 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.
144
Componentization
DB-15
USB Type A

34. What are the 4 main types of storage?
Liquid Crystal Display
Small Outline DIMM
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Coaxial

35. Level one cache is located on ___________.
the CPU
Complex -Instruction - Set - Chips - Used in General Purpose PCs
RJ-45
DB-15

36. RAID stands for _________.
detects and fixes corrupt data in RAM.
184
B-9 serial
Redundant Array of Independant (Inexpensive) Disks.

37. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Processing
Serial
VGA/SVGA monitor

38. Level two cache is located on _______.
ECC
the motherboard
Networking and Communications
DB-15

39. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
CMOS
5.25
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
Front Side Bus.

40. How many pins is a SODIMM DDR2 DIMM?
Processing
200
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
B-9 serial

41. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Input
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Front Side Bus.
Joystick

42. Ethernet network
detects and fixes corrupt data in RAM.
RJ-45
Small Outline DIMM
tasks or 'Threads'

43. LGA stands for ______.
verifying data integrity.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
1024 x 786
Line Grid Array

44. A serial mouse connects to a computer with this connector.
9-pin serial
USB Type A
Software
240

45. A type of memory that loses data when the power is no longer supplied to the component.
Firewire 6-pin
Liquid Crystal Display
Volatile
184

46. What is the formal name of the 'headphone jack'?
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
Serial
184
RJ-45

47. The BIOS is stored on the _______ chip that is on the motherboard.
verifying data integrity.
Pin Grid Array
Output
CMOS

48. What is Virtual RAM?
Processing
the CPU
Liquid Crystal Display
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.

49. An example of a device that uses a 6-pin Mini-DIN connector.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
PS/2-style mouse
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
USB Type A

50. SDRAM sands for _______.
Radial Lines
7 or 15 (powered)
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
DB-25