Computer Knowledge Zone (Think Different)

Computer Questions Set For SSC/BANK/RAILWAY Exams 1. The ALU of a computer responds to the commands coming from ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------     a. Primary memory     b. Control section     c. External memory     d. Cache memory ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 2. The act of retrieving existing data from memory is called ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------     a. Read-out ...

Android Phone Tricks 1. Complete Information About your Phone  *#*#4636#*#*  This code can be used to get some interesting information about your phone and battery.   2. Factory data reset  *#*#7780#*#*  This code can be used for a factory data reset. It'll remove following things:  Google account settings stored in your phone  System and application data and settings  Downloaded applications  It'll NOT remove:  Current system software and bundled application  SD card files e.g. photos, music files, etc.  Note: Once you give this code, you get a prompt screen asking you to click on "Reset phone" button. So you get ...

Top 10 computer mouse tips everyone should know Mouse clickMost computer users don't take full advantage of the computer Mouse. Below are computer mouse tips and secrets that help you get the full potential of your computer mouse and increase your overall productivity while on the computer. Shift key and mouse click Bonus tip: Holding down the Alt key while dragging and highlighting text in a text editor will allow you to selectively highlight text. This can be useful if your paragraph or other text is in a column. Many text editors and programs allow you to highlight all or portions of text using the Shift key and the mouse. For example, place the cursor at the beginning of a paragraph in a text editor, hold down the Shift key and click at the end of the paragraph to highlight the full paragraph. Take full advantage of the scroll wheel Today, everyone is familiar with a mouse wheels ability to scroll up and down on a page. However, this wheel can also ...

Windows XP Home Install Guide Introduction: Important Information Before the install/reinstallation of Windows XP, I highly recommend that you download Service Pack 3 “for multiple computers” and burn it onto a CD. The download is approximately 316.4MB. If you choose not to do this step, your system could become infected with a virus or worm exploiting the vulnerabilities that Service Pack 3 fixes. I also recommend that you do NOT have your system connected to the Internet until after the installation of Service Pack 3. This means that you cannot activate your XP installation during setup, but you can accomplish that task following a reboot after Service Pack 3 is installed. 1) Shall we begin? (Image 1.1) After configuring the system for booting from a CD, the Windows Setup screen appears. At this point, Setup is loading the driver files it needs to continue with installation. 1) Shall we begin? (Image 1.1) 2) Welcome to Setup: (Image 1.2) The “We...

     C program to implemet TCP Server #include <stdio.h> #include <sys/socket.h> #include <sys/types.h> #include <arpa/inet.h> #include <string.h> int main(void) {     int s, len;     char buf[BUFSIZ];     struct sockaddr_in remote_addr;     memset(&remote_addr, 0, sizeof(remote_addr));     remote_addr.sin_family = AF_INET;     remote_addr.sin_addr.s_addr = inet_addr(“127.0.0.1″);     remote_addr.sin_port = htons(8000);     if( (s = socket(AF_INET, SOCK_STREAM, 0)) < 0)     {         printf(“Error\n”);         return -1;     }     if( connect(s, (struct sockaddr*)&remote_addr, sizeof(struct sockaddr)) < 0 )     {         printf(“Error\n”);  ...

NUMBER SYSTEM CONVERSATION IN COMPUTER As a computer programmer, you need to know about the different numeral systems. In your computer works, there will be lots of times that you will be using numeral systems like the binary, hexadecimal and sometimes octal as well. Thus, it would be a great idea to know how to convert numbers from one numeral system to the other. The digits that all 4 numeral systems use are shown below : Decimal Binary Hexadecimal Octal 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 0 1 10 11 100 101 110 111 1000 1001 1010 1011 1100 1101 1110 1111 10000 0 1 2 3 4 5 6 7 8 9 A B C D E F 10 0 1 2 3 4 5 6 7 10 11 12 13 14 15 16 17 20 Conver...

              ELEMENTS OF SYSTEM ANALYSIS AND DESIGN Topic 1 : Overview of System Analysis and Design Topic 2 : Project Selection Topic 3 : Feasibility Study Topic 4 : System Req. Spec. and Analysis Topic 1 : Structured System Design Topic 2 : Input Design Control Topic 3 : Output System Design Topic 4 : File and Database Design Topic 1 : System Development Topic 2 : System Control and Quality Assurance Topic 3 : Documentation Topic 4 : System Implementation Topic 1 : Introduction to MIS Topic 2 : The Technology Component Topic 3 : The Organisational Impact of MIS Topic 4 : Building Management Information System Case A : Info. System Planning Case B : Preparing for Systems Planning Case C : System Analysis Completion Case D : System Design Proposal Case E : Evaluation and Selection of Systems Case F : Implementation Plan and Activities Topic 1 : The Analyst as a Professional Topic 2 : Human Computer Interaction Topic 3 :...