“It was the night before midterm”. Midterm rule (March 16 nd, 2005) - Student ID is required. Open books, note exam - Don’t: - Leave the exam room after.

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Presentation transcript:

“It was the night before midterm”

Midterm rule (March 16 nd, 2005) - Student ID is required. Open books, note exam - Don’t: - Leave the exam room after the exam is distributed - Use cell phone or computers (PC) - Talk with each other during the exam - Limit of questions you can ask teacher during exam time. If you ask more than two questions, you will have some points off taken from your exam.

Final preparation Reading: slides, relevant materials from books from Week 1 to now Overview: all homeworks, programming assignments, practice exercises from Week 1 to present

Multiple choices 1.1 The binary representation for decimal 90 is a c b d Which one of the following statements is invalid? (a) MOV AX,0241H (b) MOV CL,0241H (c) MOV DX,0241H (d) MOV BX,0241H 1.3. The instruction that initializes a register with an offset address is (a) PUSH (b) LEA (c) MOV (d) LOAD

Multiple choices 1.4. Which type of MOV operation is invalid? (a) Memory to memory (b) Immediate to memory (c) Memory to register (d) Register to register 1.5. The area that the system establishes in memory immediately preceding a program loaded for execution is the (a) code segment (c) program segment prefix (b) data segment (d) stack

Filling in blank 2.1. The standard file handle numbers are (a) _00__ for keyboard input; (b) _01__ for screen display; (c) _04__ for printer INT 21H function _40H__ for file handles requests display. Load file handle 01 in the BX___ register, the number of characters to display in the _CX__ register, and the address of the area to display in the _DX__ register.

Filling in blank 2.3. The program loader store _the address of program segment __prefix__in each segment register on loading an *.EXE program for execution 2.4. (a) The assembly step involves translating from _source_____ code into machine _object_____ code. (b) The _link___ step involves converting an.OBJ module into an.EXE (executable) machine code module The DS register contains the starting address of the _data____ segment; CS contains the starting address of the _code____ segment; SS contains the starting address of the _stack_____.

Problems 1. Use INT 21H function 40H to display the message “What is the date (mm/dd/yy)?”. Following the message with a Carriage Return, and Line Feed 2. Copy the 40 elements of FIELD1 to FIELD2