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CSC 160 Chapter 04

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

1.

Displays containing the contents of a computer’s memory or the hard disk are often referred to as ____ memory dumps.
 a. error c. decimal b. hexadecimal d. octal

2.

The number 10-4 evaluates to which of the following?
 a. 0.000001 c. 0.0001 b. 0.00001 d. 10000

3.

A ____ is identified by the number of digits a numbering system has, including zero.
 a. root c. determinant b. discriminant d. base

4.

The concept of ____ value is common to all modern numbering systems.
 a. positional c. deterministic b. radical d. random

5.

According to positional value, the binary number 10101represents ____ things.
 a. 3 c. 12 b. 5 d. 21

6.

The hexadecimal numbering system runs out of digits after ____.
 a. E c. G b. F d. H

7.

The decimal equivalent of 10016 is ____.
 a. 116 c. 256 b. 160 d. 1600

8.

What is the result of converting the decimal number 25  to a base 16 equivalent?
 a. F c. 1A b. 19 d. 31

9.

What is the result of converting the decimal number 25  to a base 2 equivalent?
 a. 100012 c. 110012 b. 100112 d. 111012

10.

A ____ is a basic unit of storage that can have a value of either 1 or 0 (on or off).
 a. nibble c. byte b. word d. bit

11.

A ____ is a group of eight bits.
 a. byte c. nibble b. word d. blip

12.

An 8-nibble word is more likely to be referred to as the equivalent ____-byte word.
 a. 2 c. 8 b. 4 d. 16

13.

Each hexadecimal digit relates directly to a ____-bit binary pattern.
 a. 2 c. 8 b. 4 d. 16

14.

Which of the following methods represents the most common way of storing signed numbers?
 a. one’s complement c. integer complement b. binary complement d. two’s complement

15.

To find the ____ of a given bit, flip it to the opposite state.
 a. root c. position b. complement d. sign

16.

In scientific notation, the method of displaying numbers uses a(n) ____ and an exponent.
 a. mantissa c. abscissa b. asymptote d. ordinate

17.

The eight bit extended ASCII (American Standard Code for Information Interchange) character set can be used to represent ____ characters.
 a. 128 c. 512 b. 256 d. 34,168

18.

A ____ is the smallest unit that can be displayed on a computer monitor.
 a. micron c. twip b. picon d. pixel

19.

____ patterns contain information about the color and brightness of a pixel.
 a. Binary c. Decimal b. Octal d. Hexadecimal

20.

Unicode character representation uses a(n) ____ bit standard.
 a. 4 c. 8 b. 7 d. 16

21.

Various ____ techniques have been designed to allow the same image information to be stored in a smaller file.
 a. consolidation c. scanning b. compression d. resolution

22.

A sound consists of a waveform that has amplitude (volume) and a ____ (pitch).
 a. frequency c. phase angle b. phase shift d. period

23.

The computer samples sound at fixed intervals and each sample is assigned a binary value according to its ____.
 a. frequency c. amplitude b. period d. pitch

24.

Which of the following is an example of a video compression format?
 a. BMP c. MPEG b. GIF d. TIF