Flashcards
Computer Systems Lecture 2: Number Systems
Flashcards do conjunto (15)
- 1Explain what 1 and 0 mean in binary?0 means off, 1 means on, electrical charge is present
- 2What are bits?stored as charged
and uncharged memory
cells or as microscopic
magnets on hard disk - 3What is a byte8 bits joined in a unit
- 4Define positional notationThe digits are arranged in succession and, the position of each digit
has a place value and the number is equal to the sum of the products
of each digit by its place value, e.g. 125 = 1X10^2 + 2x10^1 + 5X10^0 - 5What is the decimal system/?system of positional notation based on powers of 10
- 6What is the binary system?system of positional notation based on powers of 2
- 7what is the octal system>system of positional notation based on powers of 8
- 8what is the hexadecimal system?system of positional notation based on powers of 16
- 9Draw out the conversion table
- 10How do you calculate the range of different numbersrange = base ^ x
- 11Convert the following number from binary to decimal: 11010110 v2214 v10
- 12Convert the following number from octal to decimal: 624 V8404 V10
- 13Convert the following number from hex to decimal: 6704 v1626372 V10
- 14What is the power table
- 15—
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- Computer Science FlashCards sobre Computer Systems Lecture 2: Number Systems, criado por Nisha K em 30-12-2017.
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- Nisha K
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