SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
Search
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. The physical components that work together to make a computer system or network: - Keyboard - mouse - monitor - printer - Connectors and cables - Drives - Circuit boards
Hardware
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Random Access Memory (RAM)
Networking and Communications
2. This device converts a visual input into a binary stream through an analog-to-digital conversion (ADC)
1024 x 786
CMOS
Volatile
removable chips on the motherboard
3. What is a Sag?
240
Very brief time (milliseconds) of too little voltage
Serial
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
4. Speaker or microphone - Common color codes for connectors are: Red = Mic In - Blue = Line In - Green = Line Out
tasks or 'Threads'
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
TRS
Very Brief time (milliseconds) of too much voltage
5. How many pins is a SODIMM DDR DIMM?
184
144
Firmware
1600 x 1200
6. What does CRT stand for?
Cathode Ray Tube
144
9-pin serial
1024 x 786
7. level three cache is located on _________.
removable chips on the motherboard
DB-15
Firmware
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
8. BIOS allows you to do 4 things - what are they?
the motherboard
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
order Boot sequence - Integrated devices - drive controllers - power supply settings
9. SDRAM sands for _______.
240
9
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
Power failure
10. Both Parity and _______ decrease efficiency - but increase reliability in RAM.
CMOS
Storage
ECC
7 or 15 (powered)
11. 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)
Software
DB-25 parallel
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.
1024 x 786
12. 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.
800 x 600
DB-15
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
40 or 80
13. How many pins is a SODIMM DDR2 DIMM?
Line Grid Array
200
Too much voltage
Joystick
14. CPUS: What is CISC?
Complex -Instruction - Set - Chips - Used in General Purpose PCs
Too much voltage
BIOS
2048 x 1536
15. RAID stands for _________.
Redundant Array of Independant (Inexpensive) Disks.
B-9 serial
order Boot sequence - Integrated devices - drive controllers - power supply settings
Cache
16. The event of a program being loaded - retrieved - transmitted - or executed. Major components include: - CPU (Central Processing Unit) - RAM
Cathode Ray Tube
detects and fixes corrupt data in RAM.
Processing
Power failure
17. A special RAM chip powered and maintained by a small battery that holds basic configuration data a computer needs to start.
DB-15
RAMBUS Inline Memory Module - Comes in 184 and 232-pin slot
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.
CMOS
18. Number of Pins for Drives: 3. SATA
Software
Firewire 6-pin
3
7 or 15 (powered)
19. What does LCD stand for?
Liquid Crystal Display
2048 x 1536
200
Componentization
20. RAID 5 has at least ___ hard drives.
Firewire 6-pin
3
Output
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
21. Number of Pins for Drives: 4. FDD
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
Serial
Error Correction Code.
34
22. UXGA is _____x_____
34
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
1600 x 1200
Complex -Instruction - Set - Chips - Used in General Purpose PCs
23. Multicore CPUs share a common ____ _____ _____. Which can cause traffic bottlenecks as competing cores communicate on the main system bus.
Front Side Bus.
Small Outline DIMM
Redundant Array of Independant (Inexpensive) Disks.
50 - 68 - or 80
24. What does SIMM stand for?
Hardware
Single Inline Memory Module - has 30 or 72 contacts on only one side.
Coaxial
PCIe - PCI - AGP - ESIA - and ISA
25. How many pins is a DDR2 DIMM?
240
the CPU
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
Very Brief time (milliseconds) of too much voltage
26. A serial mouse connects to a computer with this connector.
Coaxial
9-pin serial
CMOS
Joystick
27. Number of Pins for Drives: 1. PATA - ATA - IDE - or EIDE
DB-25 parallel
PCIe - PCI - AGP - ESIA - and ISA
40 or 80
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
28. A temporary data storage location that can be read from and written to.
Random Access Memory (RAM)
5.25
VGA/SVGA monitor
200
29. XGA is ____x_____
BIOS
1024 x 786
CMOS
144
30. 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.
Too little voltage
verifying data integrity.
Network communications
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
31. How many pins is a DDR DIMM?
184
CMOS
CMOS
Hardware
32. Video cameras (most common) Less commonly - similar devices that use USB connectors such as printers or external drives
Firewire 6-pin
Front Side Bus.
verifying data integrity.
order Boot sequence - Integrated devices - drive controllers - power supply settings
33. An example of a device that uses a low-density (two-row) male DB-15 connector.
DB-25 parallel
order Boot sequence - Integrated devices - drive controllers - power supply settings
Joystick
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
34. QXGA is ____x____
Redundant Array of Independant (Inexpensive) Disks.
Volatile
Small Outline DIMM
2048 x 1536
35. How many pins is a DDR3 DIMM?
Hardware
240
Firmware
Redundant Array of Independant (Inexpensive) Disks.
36. Surge
Too much voltage
Processing
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
2048 x 1536
37. ZIF stands for ______.
Software
Processing
CMOS
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.
38. What are the two types of RAM?
Storage
Dynamic and Static - Dynamic - loses info in the absence of power. Static - retains info like a hard drive.
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
1. jumper 2. dip switch 3. push button switch 4. and configured with a separae SCSI BIOS
39. What is DVD-RAM? and how is it used?
40. What do the type types of Hard Drive acronyms stand for?
CMOS
its used as 'Endlessly' rewritable and used primarily as surveillance camera footage.
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.
DSD and SSD (DSD - Dynamic State Drives SSD - Solid State Drives)
41. The act of keeping or maintaining data. These devices include: - Hard disk drive - Floppy disk drive - Optical drives (CD-ROM - DVD) - Flash drive
Too little voltage
1600 x 1200
Storage
Front Side Bus.
42. Multiple core allow the PC to simultaneously process multiple ______.
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.
Synchronous Dynamic RAM. Data transfer is timed to the system clock. DDR replaced 168 SDRAM
TRS
Componentization
video ram for the use of the Graphic Processing Unit (GPU). Not related to Virtual RAM.
44. External modems most commonly connect to this port.
Serial
50 - 68 - or 80
Processing
Complex -Instruction - Set - Chips - Used in General Purpose PCs
45. What does ECC stand for?
4
Line Grid Array
they plug into the motherboard to allow further expansion. 1. Magnetic Disk 2. Tape 3. Laser 4. Solid State Flash
Error Correction Code.
46. Parity is used in some _____________ - hard drives - and RAM.
Cache
7 or 15 (powered)
Network communications
Too little voltage
47. 10Base-5 Ethernet and game ports use this cable
a mini DIN Tip Sleeve Ring (TSR) 3.5 millimeter jack
DB-15
Complex -Instruction - Set - Chips - Used in General Purpose PCs
144
48. Hard Drives mount at 3.5 or 2.5 - Optical Drives mount at _____.
Too much voltage
Random Access Memory (RAM)
Speaker
5.25
49. Before sending a power supply to the recycling facility...
DB-25 parallel
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
CMOS
50. Printer - Scanner - Camera - Printer - Mouse - Keyboard - External CD-ROM drive - MP3 player - PDA
USB Type A
Storage
Software
2048 x 1536