PCI devices may included usb ports, graphics cards, network adapters etc. The lspci tool is used to generate information concerning all PCI controllers on your system plus the devices that are connected to them. Use the -t option to produce output in a tree format. Use the -v option to produce detailed information about each … Read more
To view information about your CPU, use the lscpu command as it shows information about your CPU architecture such as number of CPU’s, cores, CPU family model, CPU caches, threads, etc from sysfs and /proc/cpuinfo. [centos7@localhost ~]$ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little … Read more
To know only system name, you can use uname command without any switch will print system information or uname -s command will print the kernel name of your system. root@localhost ~ $ uname Linux To view your network hostname, use ‘-n’ switch with uname command as shown. root@localhost ~ $ uname -n localhost.localdomain To get … Read more
Thinking ability. Stops us from thinking about solving problems. Computers break down. When they don’t work it stops companies and people working. Addiction. Playing games or social networks can lead to an addiction. Conversation. People are spending less time communicating with the people face to face. Lack of exercise. Children and adults spend to much … Read more
Speed: The speed of a computer is measured in terms of the number of instructions that it can perform or execute in a second. The speeds of computers are measured in milliseconds (10~3 sec), micro-seconds (10*6 sec), and nano seconds (10~9sec). Computers are superfast machines and can process millions of instructions per second. Smaller computers … Read more
Introduction- Next generation PC performance requirements are being driven by emerging multimedia and communications software. 3D graphics, video, audio, and telephony capabilities are evolving across education, entertainment, and internet applications. As multimedia applications continue to proliferate in the marketplace, PC systems suppliers are being challenged to deliver multimedia-enabled PC solutions covering all mainstream price/performance points. … Read more
Firewalls A machine connected to the Internet that isn’t behind a firewall is a disaster waiting to happen. And you won’t have to wait long. A recent study by the Internet Storm Center has shown that unpatched Windows computers only lasted 20 minutes before they were infected by some malware. If you’re running Linux, you’re … Read more
The Fibonacci sequence is a sequence where the next term is the sum of the previous two terms. The first two terms of the Fibonacci sequence are 0 followed by 1. The Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21 Visit this page to learn about the Fibonacci sequence. Fibonacci Series up … Read more
Before there was the public internet there was the internet’s forerunner ARPAnet or Advanced Research Projects Agency Networks. ARPAnet was funded by the United States military after the cold war with the aim of having a military command and control center that could withstand a nuclear attack. The point was to distribute information between geographically … Read more
Many of us are familiar with computers. You’re likely using one now to read this blog post as devices such as laptops, smartphones and tablets are essentially the same underlying computing technology. Supercomputers, on the other hand, are somewhat esoteric as they’re often thought of as hulking, costly, energy-sucking machines developed, by and large, for … Read more