Problem (1) Draw the memory map that is described as follows: ROM: start adr 0000 H end adr 1BFF H. start adr 2000 H capacity 5 KB. RAM#2: end adr 47FF H capacity 2 KB. 1/O ports: start adr 6000 H end adr 601FH Find: a) ROM capacity. b) RAM#1 end address. c) RAM#2 start address. d) Number of I/O ports. e) Number of address lines needed for ROM. f) Not used address lines. g) Address decoding lines.
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Answer:
VII. Transform the following conversations into indirect speech:
1. Interviewer: So, why do you want to be a computer programmer?
Ravi: Well, I have always been interested in computers.
Interviewer: I see. Do you have any experience?
Ravi: No, but I’m a fast learner.
Interviewer: What kind of a computer do you use?
Ravi: Computer? Uhm, let me see. I can use a Mac. I also used Windows 10once.
Interviewer: That’s good.
2. Manu: Where are you going to?
Annu: I am going to the market. Do you want anything?
3. Sunita: Tomorrow is your birthday, what do you want as a gift?
Neetu: That is a lovely thought but I don’t want anything.
4. Gardener: Did you water the plant today?
Dev: No, but I will, today.
Gardener: Then tomorrow I will get a sapling of sunflower.
5. Mr. Harish: Can you polish my shoes?
Cobbler: Yes sir. But I will take 10 for each shoe.
6. Electrician: When did your electricity go?
Mohan: It is not working since evening.
Electrician: Sorry sir, in this case, I will have to check the fuse now.
7. Teacher: Children, let us all pledge to save trees.
Children: Yes, mam, we all pledge to save our trees as the trees are the lungs of
the city.