1. Convert 32 from hexadecimal to decimal.A) 32B) 50C) 20D) 262. Convert 40 from decimal to hexadecimal.A) 64В) 32C) 28D) 403. Using two's complement notation of size 8-bits, what is the representation of -19?A) 11101101B) 10010011C) 00010011D) 111011004. Using sign-magnitude method with size 8-bits, what is the largest number that can berepresented?A) 128В) 63C) 64D) 1275. 1F.C, is equivalent to:A) 11111.1100, and 31.12,0B) 011111.11, and 31.7510C) 111111.1100, and 31.7510D) None of the above6. x'yz + xy'z + xyz' + xyz can be written as:A) m3 + m5 + m6 + m7B) Em(3, 4, 6, 7)С) МЗ. M5. М6. M7D) None of the above

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1. Convert 32 from hexadecimal to decimal. A) 32 B) 50 C) 20 D) 26

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

1. Convert 32 from hexadecimal to decimal.
A) 32
B) 50
C) 20
D) 26
2. Convert 40 from decimal to hexadecimal.
A) 64
В) 32
C) 28
D) 40
3. Using two's complement notation of size 8-bits, what is the representation of -19?
A) 11101101
B) 10010011
C) 00010011
D) 11101100
4. Using sign-magnitude method with size 8-bits, what is the largest number that can be
represented?
A) 128
В) 63
C) 64
D) 127
5. 1F.C, is equivalent to:
A) 11111.1100, and 31.12,0
B) 011111.11, and 31.7510
C) 111111.1100, and 31.7510
D) None of the above
6. x'yz + xy'z + xyz' + xyz can be written as:
A) m3 + m5 + m6 + m7
B) Em(3, 4, 6, 7)
С) МЗ. M5. М6. M7
D) None of the above

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