Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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1.
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In a CPU, the control unit works most like
a: a. | traffic cop, directing traffic | c. | translator, converting the letters
entered on the keyboard into binary code | b. | road block, stopping incoming traffic to the
CPU | d. | calculator |
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2.
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All of the following are examples of processors
EXCEPT: a. | Pentium | c. | Celeron | b. | Plutonium 3 | d. | Itanium 2 |
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3.
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It takes __________ bits to make a
byte.
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4.
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The base 2 number system is also
called: a. | decimal notation | c. | unary notation | b. | binary notation | d. | hexadecimal
notation |
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5.
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____________ was put into use in 1945 and took
up 1,800 square feet of floor space.
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6.
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Another way to refer to a binary digit
is: a. | binit | c. | bidigit | b. | bingit | d. | bit |
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7.
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a. | Adding Logic and Usability | c. | Alter, Load, and
Use | b. | Alternate Load Usage | d. | Arithmetic Logic Unit. |
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8.
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The ____________ of the CPU manages the on/off
switches inside the CPU. a. | transistors | c. | microprocessor | b. | ALU | d. | control unit |
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9.
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A(n) __________ is material that can transmit or
prohibit the flow of electricity. a. | resistor | c. | integrated circuit | b. | semiconductor | d. | transistor |
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10.
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The multi-step process that a CPU follows for
each instruction it encounters is called: a. | the instruction cycle | c. | the CPU cycle | b. | the processor cycle | d. | the machine
cycle |
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11.
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A system clock is built into the: a. | motherboard | c. | bus | b. | expansion card | d. | hard drive |
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12.
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A(n) __________ is found in one of two states,
off or on. a. | integrated circuit | c. | binary switch | b. | electrical switch | d. | vacuum tube |
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13.
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The CPU is considered to be the __________ of
the computer. a. | heart | c. | lungs | b. | brains | d. | liver |
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14.
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The base 10 number system is also
called: a. | unary notation | c. | hexadecimal notation | b. | decimal notation | d. | binary
notation. |
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15.
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The ability to work on more than one instruction
during the four stages of processing is called: a. | stacking | c. | staging | b. | pipelining | d. | expanding |
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16.
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a. | stores information to the cache. | c. | directs the flow of
instructions | b. | fetches the initial instruction | d. | calculates and performs logical
operations |
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17.
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a. | Computer Processors for Users | c. | Computer Processing
Unit | b. | Central Processing Unit | d. | Central Processor for Users |
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18.
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Clock speed is measured in: a. | minutes | c. | Hertz | b. | seconds | d. | bits per second
(bps) |
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19.
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The following are steps in the CPU machine cycle
EXCEPT: a. | generate | c. | store | b. | fetch | d. | decode |
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20.
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Using 8 bits, the ____________ code can
represent the 26 uppercase letters and the 26 lowercase letters in the English language and
punctuation symbols as well as special characters. a. | hexadecimal | c. | EBCDIC | b. | ASCII | d. | Unicode |
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21.
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The hexadecimal number system uses the
numbers: a. | 0 through 9 and letters A–F | c. | 0 through 15 | b. | 1 through
10 | d. | 0 through
9 |
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22.
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____________ is the set of memory chips located
on the motherboard that store data and instructions that cannot be changed or erased. a. | Dynamic RAM | c. | ROM | b. | Level 2 cache | d. | Level 1 cache |
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23.
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Which programming language is a string of 1s and
0s? a. | Machine language | c. | C++ | b. | ADA | d. | Assembly
language |
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24.
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The binary number system uses the
numbers: a. | 1 through 10 | c. | 1 and 2 | b. | 0 through 9 | d. | 0 and 1 |
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25.
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In a 64-bit processor, the 64 refers to the
__________ size. a. | processor | c. | RAM | b. | word | d. | letter |
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26.
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The ____________ connects all of the
system’s electric components: the CPU, memory, expansion slots, and electrical paths that
connect these components. a. | transistor board | c. | adapter board | b. | microprocessor board | d. | motherboard |
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27.
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Based on the idea of an electrical switch, the
__________ language consists of 0s and 1s that a computer understands. a. | electronic | c. | instruction | b. | numerical | d. | binary |
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28.
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A(n) ____________ is the container in which you
find the motherboard, hard drive, and CPU. a. | electrical switch | c. | system unit | b. | component unit | d. | vacuum tube |
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29.
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The decimal number system uses the
numbers: a. | 0 through 9 | c. | 1 and 2 | b. | 0 and 1 | d. | 1 through 10 |
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30.
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_________ is measured in Hertz and refers to how
quickly a processor can work. a. | ROM speed | c. | Clock speed | b. | Register speed | d. | A kernel cycle |
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31.
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The proper sequence of actions in a machine
cycle is: a. | fetch à execute à decode à store | c. | execute à decode à store
à fetch | b. | decode à fetch à execute à store | d. | fetch à decode à execute à
store |
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32.
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The PowerPC G5 processor was designed for
the: a. | Nintendo Wii. | c. | Windows operating system | b. | Apple
computer | d. | Xbox |
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33.
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The base 16 number system is also
called: a. | unary notation | c. | binary notation | b. | decimal notation | d. | hexadecimal
notation |
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34.
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The most powerful type of computer is
a: a. | desktop PC | c. | supercomputer | b. | notebook | d. | smartphone |
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35.
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A(n) ___________ is made up by layering
semiconductor material. a. | transistor | c. | capacitor | b. | resistor | d. | vacuum tube |
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True/False
Indicate whether the statement is true or
false.
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36.
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Clock speed is measured in Hertz.
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37.
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Word size refers to the maximum length of a word
that the user can enter on the keyboard
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38.
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RAM is volatile, or temporary,
memory
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39.
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In the ASCII code, the letter “A”
and the letter “a” have the same value.
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40.
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The system clock is built into an expansion
card
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