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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. How many pins is a DDR3 DIMM?
34
Single Inline Memory Module - has 30 or 72 contacts on only one side.
detects and fixes corrupt data in RAM.
240
2. RAID 1+0 and 0+1 require ____ disks which are two disks that are striped and then mirrored or vise vera.
4
Volatile
CMOS
Pin Grid Array
3. Ethernet network
RJ-45
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.
50 - 68 - or 80
Hardware
4. 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.
DB-15
USB Type A
Pin Grid Array
Componentization
5. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Network communications
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
6. Level two cache is located on _______.
Error Correction Code.
the motherboard
Redundant Array of Independant (Inexpensive) Disks.
BIOS
7. What does RIMM stand for?
the CPU
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Front Side Bus.
Power failure
8. 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.
the CPU
Cathode Ray Tube
DB-15
B-9 serial
9. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Storage
Output
Front Side Bus.
CMOS
10. Spike
TRS
Very Brief time (milliseconds) of too much voltage
the motherboard
DB-15
11. UXGA is _____x_____
Power failure
Too much voltage
BIOS
1600 x 1200
12. RAID 5 has at least ___ hard drives.
PS/2-style mouse
ATX - BTX - Micro ATX - ITX - NLX - and LPX
184
3
13. Multiple core allow the PC to simultaneously process multiple ______.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
14. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
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.
2048 x 1536
CMOS
15. How many pins is a DDR DIMM?
Cache
9-pin serial
184
ECC
16. An example of a device that uses a low-density (two-row) male DB-15 connector.
1600 x 1200
Joystick
CMOS
DB-15
17. Parallel devices connect to this connector.
800 x 600
DB-25
B-9 serial
Complex -Instruction - Set - Chips - Used in General Purpose PCs
18. What are the two types of RAM?
BIOS
BIOS
VGA/SVGA monitor
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
19. A serial mouse connects to a computer with this connector.
9-pin serial
144
Liquid Crystal Display
Line Grid Array
20. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
ECC
Cathode Ray Tube
240
removable chips on the motherboard
21. What is a Brownout?
Too little voltage
DB-15
tasks or 'Threads'
9
22. What does SODIMM stand for?
Power failure
Small Outline DIMM
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
23. The process of sending data to the computer. These devices include: - Mouse - Keyboard - Touchscreen
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.
Input
DB-25 parallel
24. XGA is ____x_____
Storage
CMOS
BIOS
1024 x 786
25. ZIF stands for ______.
Software
9
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.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
26. Number of Pins for Drives: 4. FDD
200
800 x 600
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
34
27. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
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.
tasks or 'Threads'
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Front Side Bus.
28. level three cache is located on _________.
removable chips on the motherboard
200
50 - 68 - or 80
Very Brief time (milliseconds) of too much voltage
29. Number of Pins for Drives: 3. SATA
7 or 15 (powered)
800 x 600
detects and fixes corrupt data in RAM.
Networking and Communications
30. 10Base-5 Ethernet and game ports use this cable
DB-15
removable chips on the motherboard
RJ-45
BIOS
31. SDRAM sands for _______.
detects and fixes corrupt data in RAM.
9
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
charged coupled device (CCD)
32. What are the 5 Expansion Slot types - Daughter Boards or Riser Boards?
PCIe - PCI - AGP - ESIA - and ISA
DB-25 parallel
Front Side Bus.
Standardization
33. How many pins is a MICRODIMM DIMM?
RJ-11
DB-25
144
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
34. What are the 4 main types of storage?
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
the CPU
RJ-11
35. 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)
Input
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
Software
CMOS
36. An example of a device that uses a 6-pin Mini-DIN connector.
Small Outline DIMM
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Very brief time (milliseconds) of too little voltage
PS/2-style mouse
37. CPUs: What is RISC?
Error Correction Code.
DB-25 parallel
ATX - BTX - Micro ATX - ITX - NLX - and LPX
Reduced Instruction - Set - Chips - Used in data collection - sensors - routers - and graphics processors.
38. Serial mouse or external modem
4
B-9 serial
Liquid Crystal Display
Radial Lines
39. DSD or Dynamic State Drives are organized into Tracks or Rings - and sectors or _____.
240
Radial Lines
4
Networking and Communications
40. Internal modem or telephone
144
144
Firmware
RJ-11
41. 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.
Speaker
Too little voltage
Networking and Communications
Processing
42. PGA stands for
B-9 serial
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.
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Pin Grid Array
43. An example of a device that uses a TRS connector.
200
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Speaker
Small Outline DIMM
44. Before sending a power supply to the recycling facility...
Software
verifying data integrity.
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.
ECC
45. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
DB-25
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Error Correction Code.
CMOS
46. SCSI code is set by a 4 things - what are they?
Componentization
RJ-45
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
47. LGA stands for ______.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
Line Grid Array
BIOS
Too much voltage
48. RAID stands for _________.
charged coupled device (CCD)
5.25
Redundant Array of Independant (Inexpensive) Disks.
Cathode Ray Tube
49. What is a Sag?
CMOS
PS/2-style mouse
Software
Very brief time (milliseconds) of too little voltage
50. What is a Blackout?
verifying data integrity.
Power failure
BIOS
B-9 serial