diff --git a/Chapter-7/README.md b/Chapter-7/README.md index 12387f3..703dfc2 100644 --- a/Chapter-7/README.md +++ b/Chapter-7/README.md @@ -126,7 +126,7 @@ void init_idt(void) } ``` -After intialization of our IDT, we need to activate interrupts by configuring the PIC. The following function will configure the two PICs by writting in their internal registries using the output ports of the processor ```io.outb```. We configure the PICs using the ports: +After intialization of our IDT, we need to activate interrupts by configuring the PIC. The following function will configure the two PICs by writing in their internal registries using the output ports of the processor ```io.outb```. We configure the PICs using the ports: * Master PIC: 0x20 and 0x21 * Slave PIC: 0xA0 and 0xA1 diff --git a/Chapter-8/README.md b/Chapter-8/README.md index ad72444..4bc4b1f 100644 --- a/Chapter-8/README.md +++ b/Chapter-8/README.md @@ -44,7 +44,7 @@ The two types of entries (table and directory) look like the same. Only the fiel * 0 = 4kb * 1 = 4mb -**Note:** Physical addresses in the pages diretcory or pages table are written using 20 bits because these addresses are aligned on 4kb, so the last 12bits should be equal to 0. +**Note:** Physical addresses in the pages directory or pages table are written using 20 bits because these addresses are aligned on 4kb, so the last 12bits should be equal to 0. * A pages directory or pages table used 1024*4 = 4096 bytes = 4k * A pages table can address 1024 * 4k = 4 Mb