Computer Basic Knowledge

01. KEYBOARD ….a type of device. Answer – Input 2. Shortcut key for hyperlink in MS-Excel. Answer – Ctrl+K 3. Which shortcut key is used to check spelling in MS-Word. Answer – F7 4. Receiving data from a remote machine to a local machine is called. Answer – Downloading 5. The default appearance of the … Read more

Computer Components (RAM, ROM, HDD, SSD, Ethernet Card, Sound Card, Graphic Card, Bus System, Ports & Sockets)

Computer systems consist of three components as shown in below image: Central Processing Unit, Input devices and Output devices. Input devices provide data input to processor, which processes data and generates useful information that’s displayed to the user through output devices. This is stored in computer’s memory. Arithmetic Logic Unit (ALU)  Data entered into computer is … Read more