Deck 16: Under the Hood

Question 1

The decimal number 11 equals B in the ________ number system.

Answer 1

hexadecimal
hex
base 16
base-16
base sixteen

Question 2

________ are devices that are in either the on or off state.

A) Synchronous circuits
B) Asynchronous circuits
C) Electrical switches
D) Unicodes

Answer 2

C

Question 3

________ are the most expensive, fastest memory in a computer.

Answer 3

Registers

Question 4

A binary digit is called a(n)________.

Question 5

The base-sixteen number system is also known as the ________ number system.

Question 6

OR and AND are examples of ________ operators.

A) logical
B) mathematical
C) statistical
D) textual

Question 7

The earliest generation of electronic computers used ________ as switches.

A) transistors
B) vacuum tubes
C) microprocessors
D) integrated circuits

Question 8

The electrical switches that are built using semiconductor layers are called ________.

Question 9

The ________ encoding scheme for character data uses 16 bits.

Question 10

What type of memory stores frequently used instructions or data needed by the CPU?

A) Cache
B) RAM
C) ROM
D) Integrated circuits

Question 11

Which of the following is NOT a step in the CPU machine cycle?

A) Execute
B) Decode
C) Fetch
D) Register

Question 12

The ________ controls when the CPU moves to the next processing stage.

Question 13

Unicode is a system for representing ________.

A) integers
B) sounds
C) colors
D) characters

Question 14

The base-2 number system is also known as the ________ number system.

Question 15

IEEE's ________ standard describes how numbers containing fractional parts are represented in the binary number system.

Question 16

________ is the semiconductor material used to make transistors.

A) Silicon
B) Titanium oxide
C) Carbon
D) Strontium nitrate

Question 17

The hexadecimal number C represents the decimal number ________.

A) 16
B) 13
C) 12
D) 10

Question 18

________ language consists of a series of 0s and 1s.

Question 19

The technique that enables the CPU to work on more than one instruction at the same time is called ________.

A) pipelining
B) dynamic memory allocation
C) parallel processing
D) multiprocessing

Question 20

The special memory storage areas built into the CPU are called ________.

A) cells
B) accumulators
C) registers
D) buffers

Question 21

________boosts a CPU's performance by working on more than one instruction at the same time.

Question 22

The CPU is the part of the ALU that performs mathematical operations and makes comparisons.

Question 23

Today's clock speeds are measured in megahertz (MHz).

Question 24

The ________ processor is used in tablet computers and smartphones because it is very small and uses very little power.

Question 25

All data input into a computer will be stored as 0s and 1s.

Question 26

The CPU machine cycle starts with the Fetch step.

Question 27

Level 1 cache is located farther away from the CPU than Level 3 cache.

Question 28

The collection of commands that a CPU executes is called the instruction set.

Question 29

________ is the final step of the CPU machine cycle.

Question 30

A single byte is composed of ten bits.

Question 31

The ASCII code is able to represent the alphabets of all modern and historic languages.

Question 32

Mainstreaming boosts CPU performance by enabling the CPU to work on more than one processing stage at a time.

Question 33

Mathematical operations and comparisons are performed in the ________.

Question 34

A semiconductor is any material that can be controlled to either conduct electricity or prohibit the flow of electricity.

Question 35

The Intel i7 Extreme Edition is a CPU that uses ________ processing.