Railways Notes / Computer Awareness / Chapter 29
Chapter 29 of 33

Important Computer Abbreviations

Hardware, software, and operating-system related abbreviations frequently tested in RRB Computer Awareness.

📖 ~4 min read 💻 RRB NTPC / Group D — Computer Awareness

Hardware & Processing Abbreviations

AbbreviationFull Form
CPUCentral Processing Unit
RAMRandom Access Memory
ROMRead Only Memory
ALUArithmetic Logic Unit
GPUGraphics Processing Unit
SSDSolid State Drive
HDDHard Disk Drive
USBUniversal Serial Bus

Software & File Abbreviations

AbbreviationFull Form
OSOperating System
GUIGraphical User Interface
BIOSBasic Input Output System
PDFPortable Document Format
EXEExecutable file

💡 Want More? Get the Full eBook

This free chapter covers the key concepts. For complete coverage with 500+ MCQs, mock tests, and previous year analysis — grab the premium eBook.

📚 Browse Premium eBooks →