<![CDATA[CS609 Quiz #1 Solution and Discussion]]>What is output of the following program;

#include<DOS.H>
union REGS regs;
void main (void )
{
regs.h.al = 0x99;
regs.h.ah = 0x00;
printf ("%x",regs.x.ax);
}

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]]>https://community.secnto.com//topic/60/cs609-quiz-1-solution-and-discussionRSS for NodeMon, 08 Jun 2026 19:59:54 GMTThu, 23 May 2019 12:21:38 GMT60<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 13:29:24 GMT]]>9f5810eb-0c32-4205-8f2b-894e50cfa5b1-image.png

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]]>https://community.secnto.com//post/114https://community.secnto.com//post/114Thu, 23 May 2019 13:29:24 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 13:17:42 GMT]]>@zaasmi
3

]]>https://community.secnto.com//post/113https://community.secnto.com//post/113Thu, 23 May 2019 13:17:42 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 13:12:14 GMT]]>@moaaz
The circular keyboard buffer starts at the address 40:1EH and contains 32 bytes. The
address 40:1AH stores the head of this circular buffer while the address 40:1CH stores the
tail of this buffer. If the buffer is empty the head and tail points at the same location as
shown in the diagram above.

]]>https://community.secnto.com//post/112https://community.secnto.com//post/112Thu, 23 May 2019 13:12:14 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 13:11:52 GMT]]>@zaasmi

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[right]Ref: Page 55 Handout[/right]

]]>https://community.secnto.com//post/111https://community.secnto.com//post/111Thu, 23 May 2019 13:11:52 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 13:06:47 GMT]]>@zaasmi
32 bytes can be stored in Keyboard Buffer

]]>https://community.secnto.com//post/110https://community.secnto.com//post/110Thu, 23 May 2019 13:06:47 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 12:28:07 GMT]]>Total No. of bytes that can be stored in Keyboard Buffer is____.
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]]>https://community.secnto.com//post/99https://community.secnto.com//post/99Thu, 23 May 2019 12:28:07 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 12:27:40 GMT]]>If we want to produce the shrill voice from the speaker phone then we have to load the ___ divisor value at Port ___.
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]]>https://community.secnto.com//post/98https://community.secnto.com//post/98Thu, 23 May 2019 12:27:40 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 12:27:07 GMT]]>if the following function,
keep(1, 1000);
is called in the TSR program, it means that ________ No. of bytes are reserved in the memory.

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]]>https://community.secnto.com//post/97https://community.secnto.com//post/97Thu, 23 May 2019 12:27:07 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 12:26:23 GMT]]>In counter register bit no. 3 changes its value between 0 and 1 with in ____clock cycles
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]]>https://community.secnto.com//post/96https://community.secnto.com//post/96Thu, 23 May 2019 12:26:23 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 12:25:39 GMT]]>Parameters in interrupts are passed through _________ .
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]]>https://community.secnto.com//post/95https://community.secnto.com//post/95Thu, 23 May 2019 12:25:39 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 12:24:58 GMT]]>Getting interrupt vector refers to the operation which is used to read the _________ address stored with in vector.

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]]>https://community.secnto.com//post/94https://community.secnto.com//post/94Thu, 23 May 2019 12:24:58 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 12:24:11 GMT]]>Int86() has ________ parameters.

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]]>https://community.secnto.com//post/93https://community.secnto.com//post/93Thu, 23 May 2019 12:24:11 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 12:23:28 GMT]]>If we want to send printing on the printer then we have to perform following steps.
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]]>https://community.secnto.com//post/92https://community.secnto.com//post/92Thu, 23 May 2019 12:23:28 GMT<![CDATA[Reply to CS609 Quiz #1 Solution and Discussion on Thu, 23 May 2019 12:22:49 GMT]]>The address of partition block on hard disk is ___________________________.

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]]>https://community.secnto.com//post/91https://community.secnto.com//post/91Thu, 23 May 2019 12:22:49 GMT