Computer Important Short Keys

Computer Important Short Keys use to make it easier to use the system. With the help of using short keys, we work faster. These Short Keys are:

Keyboard shortcut

  • Ctrl+Enter to Break page in word
  • Win+arrow for Side by side windows
  • Win+I to Open setting
  • Win+D to Minimize All Windows
  • win+Tab to add virtual Desktop
  • Ctrl+shoft+esc to open the Task Bar
  • Win+A for Notification Bar
  • Win+S to open Search bar
  • Win+Q to open Cortina
  • Win+Tab for All Tab open/View
  • Alt+Tab to Open Tab
  • Win +X to Task Bar menu
  • Win+B to Hide icon on the task bar
  • Ctrl+Win+M to Open Magnifier (Zoom)
  • Win+Shift+S to Open snaping tool (Scr. Shoot)
  • Ctrl+Win+N to open Narter
  • Win+P to Open Projector

Some Other Short keys are

  • CTRL+A to Select All the files or text on the screen
  • CTRL+C to copy the files or text
  • CTRL+X to Cut the files or text
  • CTRL+V to paste the files or text
  • CTRL+Z to Undo the Action
  • CTRL+Y to Redo the Action
  • CTRL+B to Bold the text
  • CTRL+U to Underline the text
  • CTRL+I for Italic the text
  • F1 for Help
  • F2 for Rename selected object
  • F3 to Find all files
  • F4 to Opens file list drop-down in dialogs
  • F5 to Refresh current window
  • F6 to Shifts focus in Windows Explorer
  • F10 to Activates menu bar options
  • ALT+TAB to Cycles between open applications
  • ALT+F4 to Quit program, close current window
  • ALT+F6 to Switch between current program windows
  • ALT+ENTER to Opens properties dialog
  • ALT+SPACE to System menu for the current window
  • ALT+¢ to opens drop-down lists in dialog boxes
  • BACKSPACE to Switch to the parent folder
  • CTRL+ESC to Opens the Start menu
  • CTRL+ALT+DEL to Opens task manager reboots the computer
  • CTRL+TAB to Move through property tabs
  • CTRL+SHIFT+DRAG to Create shortcut (also right-click, drag)
  • CTRL+DRAG to Copy File
  • ESC to Cancel last function

Create Short Key

We can create Shortcut for Desired application. To Create Short Key for Desired App follow the following process:

  • Right click on app
  • Go to property
  • Click on Shortcut
  • Define key
  • Done / Ok

These are Important Short Keys used in computer.

World First Computer

First Computer is world was developed before world war II.

The birth of an electronic computer

Computers in the modern sense have developed rapidly just before and during World War II. In the process, electronic circuits replaced mechanical computing devices, and digital circuits replaced analog circuits. It’s not easy to determine what the “first computer” is because these changes have been made little by little over the years.

World First Computer

The development of early computers during World War II and before and after World War II can be roughly divided into three streams.

The first trend is the study of German engineer Konrad Chusze, whose research has long been forgotten in the United States. The second stream is the British Colossus computer but has been kept secret for decades for military reasons. Thus, the previous two trends did not affect US research. George Steitz of Bell Labs, who introduced the binary system to electronic calculators. Which is also known as one of the fathers of modern electronic computers.

Conrad Chute

In 1936, an independent researcher from Germany, Konrad Chusze, began developing the Z series of calculators with limited programming capabilities and memory. The first work of the Z series is the Z1, which was completed in 1938, and it worked in binary. But it was mechanical, and it didn’t work exactly because of the precision of the parts.

World First Computer

The successor, the Z3, was completed in 1941 using telephone exchanger parts. The Z3 became the first programmable digital computer. The Z3 is similar in many ways to modern computers and has made great progress in floating-point arithmetic. It is designed to be simpler and more reliable by discarding the decimal operation (decimal method was used in the design of the garbage), which is difficult to implement.

The Z3 was presumed not to be a Turing machine at first because of no conditional branching, but in the 1990s it was proved that the Z3 was a Turing machine. The Plancalquill was implemented by a research team at the Free University of Berlin in 2000, five years after the exile.

World First Computer In the study of the repatriation retreated briefly as part of the machine was lost in the Allied bombing during World War II. It was known about his work in the United Kingdom and the United States.

IBM is believed to have known about his research and sponsored a company founded by Chu Chu on the condition of obtaining some of his patents in 1946, shortly after the war.


During World War II, Blechili Park (nickname of the British Government Cryptographic Research Institute) succeeded in deciphering the German military cryptosystem. Enigma, a German cryptographic typewriter, was decrypted with the help of an electromechanical calculator “bombe”. The bombe, designed by Polish mathematician Marian Reuzsky and electronically improved by Alan Turing and Gordon Welchman. It has been used in cryptocurrency since 1941.

Another German typewriter series, the Lorenz SZ 40/42 series, differed from Enigma in many ways. To decipher this cryptosystem, Professor Max Newman and colleagues designed the Colossus computer. Tommy Flowers produced Colossus No. 1 from March to December 1943 and installed it in Blechili Park in January 1944.

With a huge number of tube components, the Colossus was the world’s first programmable fully electronic computer. It was able to perform various kinds of logical operations by receiving input from paper tape, but it was not a Turing machine. One Colossus No. 1 and nine Colossus No. 2 were produced, but all remained classified as military until the 1970s. British Prime Minister Winston Churchill also ordered the complete destruction of the end-of-life,

Colossus computer in order not to disclose to the public that it could decrypt Lorentz during the Cold War. Therefore, the existence of the Colossus computer has not been included in the history of the computer for a while.

A Colossus that has now been restored is on display at Blechili Park.

Research in the United States for World First Computer

In 1944, IBM and Harvard University’s Howard E.Kin created a digital-electronic computer mark-I that can perform addition three times in one second using a relay.

Mark-One embodies Babbage’s analysis engine design concept with relays, switches, and motors, and features. An automatic sequential control method that is controlled by punched paper tape made of 3,000 relays and gears. However, due to mechanical constraints, the processing speed was slow.

World First Computer

world’s most powerful quantum computer

Honeywell builds the world’s most powerful quantum computer

Quantum computers

When it comes to quantum computers, there’s a tendency to think of companies like Google and IBM as big companies in the field, but competition can soon be fierce. Honeywell said one day it will unveil a quantum computer that is at least twice as powerful as the current device in the next three months.

It takes a bit of context to subdivide that claim. As the protocol points out, most companies talk about qubits when talking about the capabilities of computers. For example, Sycamore, a computer that claimed to have achieved a quantum advantage last year, had 53 cubits. Honeywell instead uses metrics called quantum quantities to describe the machine’s function. IBM invented this term and here is how to define it.

Quantum Volume takes into account the number of qubits, connection, and gate and measurement errors circuit compiler All improvements as long as it progresses at a similar speed, Quantum Volume.”

The important thing to understand

The important thing here is that you want to measure the performance of your computer by grasping different parts of the quantum volume as a whole. Raw cubits are important for computation, but the way they interact with each other is also important. For example, the lower the error rate that a qubit produces, the higher the score

Honeywell claimed that the upcoming computer’s quantum volume was over 64. IBM recently announced a 28-qubit computer that built this quantity in 32 quarters. This is thanks to an innovation in 2015 that developed a technique for capturing electrically charged atoms in a superimposed state using a laser.

As exciting as Honeywell’s work, it’s best not to get too excited until the company properly describes the computer. Last year, Google announced that it had achieved quantum superiority, causing conflicting hype and controversy. In particular, IBM said the company was “irresponsible” based on the fact that Google built Sycamore to solve one specific equation.

That said, most other companies are at least optimistic about what Honeywell managed. For example, IBM’s research team said in a protocol, “Honeywell’s paper shows a new advance in programmable trapped ion quantum systems.” The company also gained Microsoft approval by announcing a partnership to allow Azure clients to access Honeywell’s quantum computers.

Quantum Computers

Top secret of quantum computers.” Ilia’s Khan, CEO of Cambridge Quantum Computing (CQC), called Honeywell’s efforts to build the world’s most powerful quantum computer. In a game where most major players are competing for attention, Honeywell has been trying quietly over the past few years (according to strict NDA). However, the company has made a breakthrough in the next three months to launch the world’s most powerful quantum computer.

Honeywell also announced that it has made strategic investments in CQC and Zapata Computing, focusing on the software side of quantum computing. The company also partnered with JP Morgan Chase to develop a quantum algorithm using Honeywell’s quantum computers. The company also recently announced an alliance with Microsoft.

Honeywell has long built complex control systems that power the world’s largest industrial sites. It is thanks to that kind of experience that it is now possible to create an advanced ion trap that is at the heart of the effort.

The company claims in the paper accompanying the announcement that this ion trap could achieve a much longer decoherence time than its competitors.

“It starts with the legacy Honeywell had to work on,” said Tony Utley, president of Honeywell Quantum Solutions. “And we had solutions related to the integration of complex control systems because of our business in the aerospace and defense, oil and gas, and chemical and materials industries, which gave us everything that underlies quantum computing. It’s very different from computing, it needs ultra-fast vacuum system function, it needs cryogenic function, it needs precision control, it needs laser and optical function, it needs magnetism and vibration stability, and we have our own foundry So it was literally possible to design a computer system configuration from a trap.”

Short Question about Basic Computer Knowledge

Short Question about Basic Computer Knowledge that is helpful to enhance you learning. Which are

  • Copying software without purchasing it is called Software Piracy.
  • Ctrl+F2: Open the Print window, where you can preview and print your document
  • For security, we use a Firewall in a computer
  • The full form of ISO is the International Standard Organization.
  • A network that covers large area, city, country, and World is called WAN
  • The transfer of data from one place to another is called Data Communication
  • Green wavy lines under text indicate that Grammatical Mistake
  • SQL is a Structured Language.
  • Windows 8 was released in which the year 2011
  • Windows Vista is an Operating System
  • A Terabyte represents about 1 trillion bytes
  • The file extension PNG stands for Portable Network Graphic File
  • The card which is used for internet is Modem Card
  • In Windows 10, what is the shortcut key to Open programs that are pinned to the taskbar is  Windows + [1][2][3][…]
  • The meaning of .mng Multiple Network Graphic
  • Windows 7 is preceded by the Windows Vista version of the windows.
  • Internet Explorer Pro new built-in browser includes in Windows 10
  • Analog signal is measured in Volts.
  • In Windows 7 Ctrl + Shift + N shortcut key for creating a New Folder.
  • Full form of TCP Transmission Control Protocol
  • Arithmetic Logic Unit (ALU) can Logical Operation, Mathematical Operation
  • The total number of function keys in a computer keyboard is 12.
  • A bit can be 1 or 0

Some other Short Question about Basic Computer Knowledge

The HTTP protocol is used to access Webpages on the World Wide Web.

A network that covers a small geographic area or single or group of buildings is called LAN

TCP/IP is Internet Protocol.

The uppermost bar showing the name of the application is called Title Bar.

Mark Zuckerberg is the founder of Facebook.

Shortcut for Save as the command is F12

By default, the bar located at the bottom of the desktop is Taskbar

Wireless Fidelity is the full form of Wi-Fi.

The output of the printer is known as Hard Copy

Yahoo is an email client.

Laser beam technology is used in Optical Disks.

All the files deleted from the computer are stored in Recycle Bin

Portable Document Format is the full form of PDF.

The Google IPO was done in 2004

Shortcut Key to center a Paragraph in Word is Ctrl + E

Windows 10 was launched in 2015

The printer is an example of Hardcopy

To Open Secure Window in Google Chrome Press CTRL+SHIFT+N

Learn More: Basic preparation of Computer Knowledge

Basic preparation of Computer Knowledge

Basic preparation of Computer Knowledge that Enhance your Learning and help You to Prepare Computer Test.

  • The length of IP address is 32 bits
  • Facebook was launched in 2004
  • The docx file contains MS Office Word
  • The file extension DLL stands for Dynamic Link Library
  • The extension of a MS Access Database is .mdb
  • The key combination used to permanently delete a file from Windows computer Shift + delete
  • Shortcut Key to open a new document is Ctrl + N
  • Data is permanently stored in Hard Disk
  • We cannot upgrade a 32-bit version to a 64-bit version of Windows
  • To change a lowercase letter to uppercase and uppercase letter to lowercase select We use Sentence Case
  • CSS stands for in Computer Cascading Style Sheets
  • The general format of the URL is as following type: // Address /path /
  • The computer abbreviation “OS” stands for Operating System
  • The shortcut key to delete a file without sending to recycle Bin is Shift + Del
  • 15.Windows 8 has 3 versions for PC have been released
  • A group of 8 bits is called Byte
  • To subscript a text, shortcut key used in Microsoft Word is Ctrl + <
  • The file extension .jsp stands for Java Server Page
  • What is the full form of WWW World Wide Web
  • The microphone converts the sound into Electrical Signals
  • A device which connects multiple nodes to the network is known as Hub
  • Windows 7 was released in 22 July 2009.
  • Windows XP and Windows 7 is an Operating System
  • ATM stands Automated Teller Machine
  • Search Engine is used to find information on World Wide Web.
  • “.gif” is an extension of Image file.
  • Thomas J. Watson is the founder of IBM Company
  • RAM is Computer Volatile Memory.
  • When you delete an object, Windows Send it to Recycle Bin
  • Christopher Latham Sho invented the Qwerty Keyboard.