Reference no: EM13929912

1. A digital computer has a memory unit with 16 bits per word. The instruction set consists of 122 different operations. All instructions have an operation code part (opcode) and an address part (allowing for only one address). Each instruction is stored in one word of memory.

a. How many bits are needed for the opcode?

b. How many bits are left for the address part of the instruction?

c. What is the maximum allowable size for memory?

d. What is the largest unsigned binary number that can be accommodated in one word of memory?

2. Consider the MARIE program below.

a. List the hexadecimal code for each instruction.

b. Draw the symbol table.

c. What is the value stored in the AC when the program terminates?

Hex Addr Label Instruction 100 Start, Load A 101 Add B 102 Store Temp 103 Load C 104 Add D 105 Add Temp 106 Store F 107 Output 108 HALT 109 A, DEC 5 10A B, DEC 3 10B C, DEC 4 10C D, DEC 13 10D E, DEC 3 10E Temp, HEX 00FD 10F F, HEX 00FE

3. Choose one area of rapid technological change in IT or Computer Science, research and report on recent developments and the outlook for the future in the area that you have chosen. You will need to provide both in text citations and bibliography entries according to Faculty of Business policy (APA format). Your report should be around 500 words.

following instruction need o be followed

1. Answers are correct and clearly show the calculations

2. A well-developed introduction catches the audience's attention and creates interest. The beginning of the essay contains background information so that readers can understand the story's context. A guiding sentence close to the beginning conveys the focus of the essay.

3. Logical progression of details with a clear and effective order that enhances the essay and provides a vivid description of the topic with appropriate and effective transitions.

4. Writing is smooth, skill full, and coherent. Sentences are strong and expressive with varied structure. Consistent and appropriate tone and word choice is used throughout the paragraph. Sense language is used to "show, not tell" the reader what is being described 5.Research in-depth and the beyond the obvious, revealing new insights gained. Author clearly identified the way of the research approaching by the other researchers and clearly predicts in which way the research would be going in future. 6.Compelling evidence from professionally legitimate sources is given to support claims. Attribution is clear and fairly represented. APA format is used accurately and consistently in the paper and on the "References" page.