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Microprocessors
A microprocessor is the heart of any computer, whether it is a server, a desktop machine, or a laptop. This single chip contains the arithmetic, control, and logic circuitry necessary to interpret and execute computer programs.
2,578 Questions
What are the applications of 8051 microcontroller?
embedded system
industrial
computer networking
The 8051 has been in use in a wide number of devices, mainly because it is easy to integrate into a project or build a device around. The following are the main areas of focus: i. Energy Management:Efficient metering systems help in controlling energy usage in homes and industrial applications. These metering systems are made capable by incorporating microcontrollers.
ii. Touch screens:A high number of microcontroller providers incorporate touch-sensing capabilities in their designs. Portable electronics such as cell phones, media players and gaming devices are examples of microcontroller-based touch screens.
iii. Automobiles: The 8051 finds wide acceptance in providing automobile solutions. They are widely used in hybrid vehicles to manage engine variants. Additionally, functions such as cruise control and anti-brake system have been made more efficient with the use of microcontrollers.
iv. Medical Devices:Portable medical devices such as blood pressure and glucose monitors use microcontrollers will to display data, thus providing higher reliability in providing medical results.
source : engineersgarage.com/8051-microcontroller
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Brian Carter
bcpccare
What is offset in microprocessors?
Refers to a value added to a base address to produce a second address. For example, if B represents address 100, then the expression,
B+5
would signify the address 105. The 5 in the expression is the offset.
Specifying addresses using an offset is called relative addressing because the resulting address is relative to some other point. Another word for offset is displacement.
Ajesh John
What is concurrent instruction?
Concurrent instruction refers to a teaching approach where multiple students, often of varying skill levels, learn the same content simultaneously, but with differentiated support tailored to their individual needs. This method encourages collaboration and peer learning, allowing teachers to provide targeted assistance while fostering a sense of community in the classroom. It is commonly used in inclusive education settings to ensure all learners can engage with the curriculum effectively.
The Control Unit and Harness are strongly recommended if you are going to tow anything that requires lights/brake controls. FYI, you don't have to get HONDA control units, most businesses that sell trailers sell various name brands and can do the wiring for you. Anyway, the wiring for the taillights and brakes lights of the vehicle are not strong enough to carry enough power to supply the electrical on a trailer (very dim-could cause a short). The Harness connects a power source (battery) to the trailer wires. The Control Unit is connected to the vehicle wiring as well as the Harness. When you step on the brake pedal, the Control Unit senses it and allows the power to go to the proper wiring on the trailer directly from the power source, therefore you will have brighter lights on the trailer. The same for parking and turn indicators. This is worth the money. I have this set up on my 2003 Odyssey.
Is it possible to have a dual OS in a single dual processor motherboard?
Yes, you will just have to choose at startup which system you will use.
duel booting is a service through which we can install 2 or more OS. but for this we can install one SOS(Simple Operating System) and one NOS (Network Operating System) that's it.
Which is the fastest a 64 bit CPU 32 bit CPU 16 bit CPU?
64bit, It can use more than 3gb of ram, while 32bit can utilise only 3gb.
How do you use multicore processors efficiently?
It really depends on how you use it. If you are just running Microsoft Office, it makes little difference in performance. I edit video and graphics for a living and having a Multicore processor is vital. It really speeds up the whole process. For instance on my old computer it took about 15 minutes for a 1 gigabyte Photoshop file to open. I have since upgraded hardware and software. It now takes about 45 seconds to open.
Having a 64-bit operating system that takes advantage of Photoshop's processing power is also a huge plus.
SuperMicro Mainboard
Dual Intel Xeon E5520 Quad-Core Processors
6GB DDR3
Windows7 Pro 64-Bit
Where in the CPU do insert a microSD adapter?
Well you don't actually insert it in the CPU, but in the Computer itself, the CPU is the core or the brain of the computer used to receive and give commands in which to tell the computer what to do and when to do it for instance when type a letter on the keyboard, the request is sent to the CPU and requests to put that key on the monitor and then the CPU will either grant or deny it from doing that. But as for your question your going to have look in the manual of your computer to see if you have the right slot for your adapter, the slots they go in range / vary from computer to computer depending on make, model and year. Older computers had big black slots for inserting adapters, then it became small white slots, and now they have a range of colors for in which a variety of adapters are used for a whole bunch of stuff. Sorry I know its not much help but its all i can do with as little information as I'm provided.
What is cache coherence and why is it necessary?
Cache coherence is a property of two or more caches mirroring the same shared resource. If all caches agree about the cached content, the caches are coherent. If (at least) one cache is changed the caches are incoherent until the changes are propagated to the other caches.
Multiprocessing systems are the context where one will most likley come across the concept of cache coherence. In a shared memory multiprocessor, each processor has its own memory cache, so any change must be mirrored by all other caches, so that all processors see the same memory content. Should a processor happen to use an outdated value, the results are unpredictable. Or, if you like it better, the results are very predictably garbage.
If the A register in an 8085 was initialized to zero and then incremented 512 times, its final value would be zero.
Since the 8085 is an 8 bit computer, the A register would overflow from 255 to 0 on the 256th increment, and overflow again from 255 to 0 on the 512th increment.
How do you make 60ms delay program using assembly language for 8086 microprocessor?
procedure for 60 ms delay with 10 mhz frequency
proc delay near
mov cx,bb8h ;3000
l1:
nop ;3 cycles
loop l1; ;17 cycles
ret
endp delay
Why and how a system a running on dos with 1gb of ram hangs what should you check?
Make sure the board is accepting the entire memory chipset
What are the applications of microprocessors in daily life?
1. hard disk management
2. Execute instruction
3. take input from input device and send to output device
4. Storage and retrieval of data from RAM
5. Threading for multi tasking
What is the secure socket logon?
Secure Socket Logon (SSL) is a protocol that provides secure authentication and encryption for data transmitted over a network. It ensures that sensitive information, such as usernames and passwords, is transmitted securely between a client and a server, protecting it from eavesdropping and tampering. SSL uses certificates to verify the authenticity of the parties involved, creating a secure connection before any sensitive data is exchanged. This protocol is commonly used in web applications and services to enhance security during login processes.
The components of a CPU are:
The CU (Control Unit) Responsible for managing the system's resources.
The ALU (Arithmetic and Logic Unit) responsible for managing all mathematical equations in the system.
And the Main memory. which the CPU CACHE (memory) is stored.
