cs401 VU Midterm Current Papers Fall 2011 of Virtual university of paksitan (www.vusolutions.com)
What is the syntax of PUSH instruction? 2 Marks
For what purpose DS and ES registers are generally used in the context of video memory. 2 Marks
When the instructions "push ax" is executed in decrementing stack how the value of SP will change. 3 Marks
What colors are repeated by 0th, 1st and 2nd bits (from least significant side) in Attribute Byte? 3 Marks
How SCAS instructions can be used to detect Null at the end of a string?5 Marks
What is the wrong with this program? 5 Marks
