Computer – Samasto

Apr 14

Higher Secondary (Class XII) Modern Computer Application (COMA)

Suggestion for 2022 Part A (7×4=28 Marks) একটি Half Adder এবং Half Substractor সার্কিটের ট্রুথ টেবিল লজিক এক্সপ্রেশন লজিক চিত্র সমীকরণ সহ ব্যাখ্যা করো। Decimal to Binary Encoder এর Truth Table ব্যাখ্যা করো। NAND গেট থেকে NOT, OR, AND গেট Read more

Apr 06

Database

What is Database? The database is an organized collection of related information. We have stressed “ORGANISED”, because only organized information is a database. Any unorganized information is just like a pile or dump, and it cannot be called a database. Read more

Apr 06

Microsoft Visual Studio 6.0

Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft. It is used to develop computer programs for Microsoft Windows, as well as web sites, web applications and web services.

Mar 21

Microsoft Visual FoxPro 6.0 Database Table

Microsoft Visual FoxPro 6.0 Database Table (.dbf) How to Create Database Table STARTàAll ProgramsàMicrosoft Visual Studio 6.0àMicrosoft Visual FoxPro 6.0 Write in Command Window CREATE SCHOOL <ENTER> 1. Create the following table. Field Name Data Type Width Dec Read more

Mar 20

Microsoft Visual FoxPro 6.0 Form

Microsoft Visual FoxPro 6.0 Form (.scx) *Note: Visual FoxPro Form support only Windows XP operation system. Step-2 TEXT5 GOTFOCUS A=THISFORM.TEXT3.VALUE B=THISFORM.TEXT4.VALUE C=A*B THISFORM.TEXT5.VALUE=C Step-3 (.dbf File Making) Field Name Type Width Dec PRODCODE Character 8 PRODNAME Character 20 Read more

Mar 19

Algorithm

Planning a program involves defining its logic (the correct sequence of instructions needed to solve the problem at hand) called Algorithm. It is a step-by – step description of how to arrive at a solution to a given problem. Algorithm Read more

Jan 29

Microsoft Office Excel

It has two types of Extension .xls and .xlsx. In old version, up to 2003 is .xls and now is .xlsx up to 2013. An Excel file called Workbook and a Workbook have many Worksheet or Electronic Spreadsheet (256). Electronic Read more

Jan 29

Microsoft Office Word

Microsoft Office Word (.doc) Header and Footer: The information which appears at the top of every page is called Header and at the bottom is called Footer. Drop Cap: Drop cap is called initial cap to decorate first letter or Read more

Jan 29

Computer Keyboard Shortcuts

Here the all Computer Keyboard Shortcuts: A. Basic Shortcuts 1. Alt + F {File menu options in current program} 2. Alt + E {Edit options in current program} 3. F1 {Universal help for all programs} 4. Ctrl + A {Select Read more

Jan 29

List of File Extension

NAME DOCUMENT TYPE APPLICATION .rtf Rich Text Format WordPad .docx Microsoft Word Document MS Word .txt Text Document Notepad .bat Batch File Command Prompt .bmp Bitmap Image Paint .jpg / .jpeg Joint Photographic Experts Group Paint .xlsx Microsoft Excel Worksheet Read more