$1.$ Assuming XTAL $=16$MHz$,$ show a program to generate a $0\mathrm{.}25$ seconds time delay. Use any timer you want. $2.$ With XTAL $=22$MHz$,$ find the delay obtained using the following program DELAY: MOV TMOD $,$ #$10$H MOV TL$1,$ #$33$H MOV TH$1,$ #$05$ SETB TR$1$ JNB TF$1,$ $ CLR TR$1$ CLR TF$1$ RET $3.$ Program timer $0$ to generate a square wave of $0\mathrm{.}5$KHz$.$ Assume XTAL $=20$MHz $4.$ Assuming that XTAL $=16$MHz$,$ and we are generating a square wave on pin P$1\mathrm{.}2,$ find the lowest square wave frequency that we can generate using mode $1.5.$ Assuming that XTAL $=11\mathrm{.}0592$MHz$,$ and we are generating a square wave on pin P$1\mathrm{.}3,$ find the highest square wave frequency that we can generate using mode $2\mathrm{.}1.$ Assuming XTAL $=16$MHz$,$ show a program to generate a $0\mathrm{.}25$ seconds time delay. Use any timer you want. $2.$ With XTAL $=22$MHz$,$ find the delay obtained using the following program DELAY: MOV TMOD $,$ #$10$H MOV TL$1,$ #$33$H MOV TH$1,$ #$05$ SETB TR$1$ JNB TF$1,$ $ CLR TR$1$ CLR TF$1$ RET $3.$ Program timer $0$ to generate a square wave of $0\mathrm{.}5$KHz$.$ Assume XTAL $=20$MHz $4.$ Assuming that XTAL $=16$MHz$,$ and we are generating a square wave on pin P$1\mathrm{.}2,$ find the lowest square wave frequency that we can generate using mode $1.5.$ Assuming that XTAL $=11\mathrm{.}0592$MHz$,$ and we are generating a square wave on pin P$1\mathrm{.}3,$ find the highest square wave frequency that we can generate using mode $2.$