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Test your basic knowledge |
Comptia A +: Hardware
Start Test
Study First
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. 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)
Storage
the CPU
Software
Hardware
2. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
DB-15
5.25
Hardware
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
3. LGA stands for ______.
PCIe - PCI - AGP - ESIA - and ISA
240
Too little voltage
Line Grid Array
4. RAID stands for _________.
Error Correction Code.
TRS
DB-15
Redundant Array of Independant (Inexpensive) Disks.
5. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
40 or 80
144
Componentization
charged coupled device (CCD)
6. An example of a device that uses a 6-pin Mini-DIN connector.
Speaker
VGA/SVGA monitor
PS/2-style mouse
BIOS
7. 10Base-5 Ethernet and game ports use this cable
DB-15
Redundant Array of Independant (Inexpensive) Disks.
ECC
5.25
8. The BIOS is stored on the _______ chip that is on the motherboard.
the CPU
CMOS
USB Type A
Cache
9. What is a Blackout?
Power failure
Serial
240
DB-25
10. What are the 4 main types of storage?
Componentization
9
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
40 or 80
11. 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.
4
Input
verifying data integrity.
the CPU
12. PGA stands for
Cathode Ray Tube
RJ-11
Pin Grid Array
RJ-45
13. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
RJ-45
Processing
Networking and Communications
Complex -Instruction - Set - Chips - Used in General Purpose PCs
14. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Volatile
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
9-pin serial
Storage
15. A dime sized component of the camera head into which light enters and is converted into and electronic or video signal
the motherboard
Standardization
9-pin serial
charged coupled device (CCD)
16. CPUS: What is CISC?
40 or 80
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Random Access Memory (RAM)
4
17. Serial mouse or external modem
ATX - BTX - Micro ATX - ITX - NLX - and LPX
240
BIOS
B-9 serial
18. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
Hardware
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Firmware
19. How many pins is a DDR3 DIMM?
240
B-9 serial
Too little voltage
Software
20. SCSI code is set by a 4 things - what are they?
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
BIOS
34
200
21. Number of Pins for Drives: 3. SATA
Liquid Crystal Display
7 or 15 (powered)
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
40 or 80
22. An example of a device that uses a high-density (three-row) DB-15 connector.
Storage
Too little voltage
Small Outline DIMM
VGA/SVGA monitor
23. What does LCD stand for?
200
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
DB-15
24. 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.
Serial
DB-15
Joystick
1024 x 786
25. 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
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
detects and fixes corrupt data in RAM.
verifying data integrity.
26. An area of memory that holds recently-accessed data.
Cache
Too much voltage
Volatile
charged coupled device (CCD)
27. Number of Pins for Drives: 4. FDD
detects and fixes corrupt data in RAM.
34
DB-25 parallel
Cache
28. What does ECC stand for?
detects and fixes corrupt data in RAM.
Error Correction Code.
B-9 serial
240
29. Internal modem or telephone
RJ-11
Hardware
VGA/SVGA monitor
184
30. Spike
4
Network communications
BIOS
Very Brief time (milliseconds) of too much voltage
31. Ethernet network
order Boot sequence - Integrated devices - drive controllers - power supply settings
1024 x 786
ECC
RJ-45
32. The process of the computer presenting - displaying - or otherwise giving data. These devices include: - Video - Audio - Printing
BIOS
Serial
Output
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
33. Printers
Too little voltage
DB-25 parallel
Small Outline DIMM
Volatile
34. SVGA is ____ x_____
BIOS
RJ-45
800 x 600
144
35. level three cache is located on _________.
240
removable chips on the motherboard
5.25
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
36. Software that has been permanently placed in a hardware component. An example is a BIOS chip.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
9-pin serial
Firmware
Too much voltage
37. RAID 5 has at least ___ hard drives.
Speaker
144
3
Liquid Crystal Display
38. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
CMOS
40 or 80
7 or 15 (powered)
3
39. What is DVD-RAM? and how is it used?
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183
40. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
1024 x 786
Complex -Instruction - Set - Chips - Used in General Purpose PCs
TRS
RJ-45
41. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
Coaxial
PCIe - PCI - AGP - ESIA - and ISA
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Very brief time (milliseconds) of too little voltage
42. How many pins is a SODIMM DDR DIMM?
144
charged coupled device (CCD)
Firmware
Error Correction Code.
43. What does ECC do?
detects and fixes corrupt data in RAM.
PS/2-style mouse
Liquid Crystal Display
Small Outline DIMM
44. Parallel devices connect to this connector.
DB-15
Liquid Crystal Display
DB-25
Storage
45. QXGA is ____x____
Standardization
Too little voltage
2048 x 1536
PCIe - PCI - AGP - ESIA - and ISA
46. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
9
ECC
Error Correction Code.
CMOS
47. What does RIMM stand for?
9
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
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.
Firmware
48. What is a Sag?
Liquid Crystal Display
Very brief time (milliseconds) of too little voltage
Networking and Communications
BIOS
49. 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.
Random Access Memory (RAM)
Componentization
Speaker
Coaxial
50. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
Joystick
BIOS
Error Correction Code.