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An Array Is Stored In A Continuous Sequential Memory Computers

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HOMEWORK – 2

1. The range of 16 bit two’s complement is -32768 to 32767
Excess notation is: -32768 to 32767
Unsigned binary range is: 0 to 65535

2. The larger format increases both the range of values that can be represented and the precision of large and small values. Processing data represented in a larger format requires more complex circuitry and more time for executing the codes. Either of them will slow the program execution.

3. An array is stored in a continuous sequential memory locations. Where the first element is stored in the lowest address. Linked list is stored in memory as unordered 7 non continuous set of list element. Where each consisting of a data value and a pointer to the next data list element.
Arrays Linked …show more content…

5. The value is assumed to be in 2’s complement form hence the number is negative because of 1 in the left most bit of the binary.
1 -> Negative
0 -> Positive
2’s complement = 1’s complement +1
(1000 0000 0010 0110 0000 0110 1101 1001) + 1
= 0111 1111 1101 1001 1111 1001 0010 0110
Binary complement = 2’s complement -1
= -(1000 0000 0010 0110 0000 0110 1101 1001) – 1
= -(0111 1111 1101 1001 1111 1001 0010 0111)
= -(2144991527)10
If the value is assumed to be in binary32 notation (1000 0000 0010 0110 0000 0110 1101 1001), then the mantissa sign is the left bit, so the mantissa is negative. The exponent (0000 0000) occupies the next 8 bits and is stored in 8-bit excess-127 notation, which yields the value -12710.
The mantissa occupies the next 23 bits and is assumed to be preceded by 1 and the radix point.
Therefore, its value is -1.010011000000110110110012, or -1.2970839738845825195312510. The floating-point value is -1.29708397388458251953125 x 2-127.

6. Types of sound cards are
i. PCI interface ii. Firewire interface iii. USB interfaces/ External sound cards iv. Standard Sound Cards
Standard Sound cards
• These sound cards come along with motherboard and are used to transmit audio and video signals.
• Specifications : Sampling frequency = -48k Hz
• Number of bits: 16 bits
USB interfaces/ External sound cards
• These devices are connected to your computer via the USB port.
• They serve as external sound

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