# Quiz 3: Data Storage

Computing

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Multiple Choice

C

Q 2Q 2

In a set of 64 symbols, each symbol requires a bit pattern length of _______ bits.
A) 4
B) 5
C) 6
D) 7

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C

Q 3Q 3

How many symbols can be represented by a bit pattern with ten bits?
A) 128
B) 256
C) 512
D) 1024

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D

Q 4Q 4

If the ASCII code for E is 1000101, then the ASCII code for e is _______. Answer the question without consulting the ASCII table.
A) 1000110
B) 1000111
C) 0000110
D) 1100101

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Q 5Q 5

A 32-bit code called _______ represents symbols in all languages.
A) ANSI
B) Unicode
C) EBCDIC
D) Extended ASCII

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Q 6Q 6

In the _______ graphic method of representing an image in a computer, each pixel is assigned a bit patterns.
A) bitmap
B) vector
C) quantized
D) binary

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Q 7Q 7

In the _______ graphic method of representing an image in a computer, the image is decomposed into a combination of geometrical figures.
A) bitmap
B) vector
C) quantized
D) binary

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Q 8Q 8

In the _______ graphic method of representing an image in a computer, re-scaling of the image creates a ragged or grainy image.
A) bitmap
B) vector
C) quantized
D) binary

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Q 9Q 9

What is the value of exponent section in the Excess-127 representation?
A) 4
B) -4
C) 127
D) 123

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Q 10Q 10

Assume a new Excess system uses 17 bits to represent the exponent section. What is he bias value in this system?
A) 17
B) 16
C) 65535
D) 65536

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Q 11Q 11

Which number representation method is often used to store the exponential value of a fractional part?
A) unsigned integers
B) two's complement
C) Excess
D) ten's complement

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Q 12Q 12

When a fractional part is normalized, the computer stores the _______.
A) only the sign
B) only the exponent
C) only the mantissa
D) the sign, exponent, and mantissa

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Q 13Q 13

The precision of the fractional part of a number stored in a computer is defined by the _______.
A) sign
B) exponent
C) mantissa
D) last digit

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Q 14Q 14

The combination of sign and mantissa of a real number in IEEE standard floating point format is stored as an integer in the ____________ representation.
A) unsigned
B) sign-and-magnitude
C) two's complement
D) one's complement

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