Ch.2: Number Systems And Data Formats

Question 1

What are the bases used?

Answer 1

Binary, octal, hexadecimal

Question 2

4 bits word?

Answer 2

Nibble

Question 3

8 bits word?

Answer 3

byte (B)

Question 4

16, 32 and bigger bits?

Answer 4

word

Question 5

How to convert from Decimal to Binary?

Answer 5

Use the positional system and convert using 2 as the base for a notation

Question 6

2^5?

Answer 6

32

Question 7

10 en hexadecimal?

Answer 7

A

Question 8

2^8?

Answer 8

256

Question 9

BCD stands for?

Answer 9

Binary Coded Decimal

Question 10

Addition in BCD. if the result is greater than 9, what should you do?

Answer 10

add 6 in BCD notation

Question 11

Fixed Point Representatiom components

Answer 11

Sign, exponent, mantissa

Question 12

What is CPU?

Answer 12

Central Processing Unit

Question 13

Which are the 3 system buses?

Answer 13

Address, Data and Control

Question 14

What is a bus?

Answer 14

Group of lines that perform a similar function. Each line carries a bit of info. an the group of bits may be interpreted as a whole

Question 15

How many data transitions are needed if the data consists of 4 bytes and the Data Bus width is 16 bits?

Answer 15

2 data transitions are needed

Question 16

If the address bus has 20 lines, what is the max number of addresses that the CP
U may reach?

Answer 16

m bits, 2^m different memory locations.

20 lines, 2^20 memory locations