Exam 1

Question 1

3 constructs used in structured problem solving

Answer 1

Selection, Structure and Iteration

Question 2

Ability for a programming language to choose between executing one or another module depending on a condition is called the ___________ construct

Answer 2

Selection

Question 3

Programming languages ability to execute in the order necessary to solve the problem is the _________ construct

Answer 3

Structure

Question 4

Programming languages ability to execute to repeat the execution of a module if necessary to solve the problem is called ________ construct

Answer 4

Iteration

Question 5

The text uses _________ as a graphical model to illustrate the implementation model

Answer 5

flow charts

Question 6

The text uses __________ as a graphical model to illustrate the essential model

Answer 6

Hierarchy chart

Question 7

The text uses _________ as a narrative model to illustrate the implementation model

Answer 7

Pseudocode

Question 8

Disadvantage of hierarchy chart

Answer 8

Does not have iteration

Question 9

Disadvantage of flow charts

Answer 9

Does not have modularity

Question 10

The approach to problem solving used in the text focuses on

Answer 10

Methodology

Question 11

A ________ is an abstraction of reality wherein we attempt to capture the salient features of that reality

Answer 11

Model

Question 12

The basic premise of the text for this course is that ________ is the single most important area in information systems

Answer 12

Problem Solving

Question 13

Step in the problem-solving approach of the text

Answer 13

1.State the problem
2.Design the I/O
3.Design the Processing
4.Implement the Solution

Question 14

The basic strategy in structured problem solving consist of the application of

Answer 14

hierarchy and modularity

Question 15

The _______________ model in processing design reflects how to solve a problem

Answer 15

Implementation

Question 16

The ______________ model in processing design reflects what must be done to solve a problem

Answer 16

essential

Question 17

In the hierarchy of data, a collection of fields is a

Answer 17

Record

Question 18

Computer performance is measured in

Answer 18

Flops

Question 19

If you break down a digital computer into the smallest elements that make it up, you eventually get to

Answer 19

Transistors

Question 20

A set of logical procedures which define how the computer interacts with its environment is called an

Answer 20

Operating system

Question 21

A ___________ is an operating system program which converts an entire program from source code to machine code and stores this code in auxiliary storage

Answer 21

Compiler

Question 22

A temporary holding space for more than one piece of data being transferred between the CPU and devices is called a

Answer 22

Buffer

Question 23

The ALU and the control unit make up the

Answer 23

CPU

Question 24

The communication pathways inside a computer are called

Answer 24

Buses

Question 25

Each digit in a binary number is known as

Answer 25

Bit

Question 26

How many different numbers can be represented using three decimal digits?

Answer 26

1000

Question 27

The single hexadecimal symbol representing the largest numerical value is

Answer 27

F

Question 28

________ systems are inherently more accurate than ________ systems because they typically measure the existence or nonexistence of some condition rather than the magnitude

Answer 28

Digital, analog

Question 29

_______ code is an early example of binary coding system that was developed in the early nineteenth century for transmitting information using the telegraph

Question 30

What method does fiber optic use for transmitting digital data

Answer 30

Light pulses

Question 31

A slide rule is an example of what kind of system

Answer 31

Analog

Question 32

Collectiion of bytes is a

Answer 32

Field

Question 33

What storage is temporary repository for data when it is being processed

Answer 33

Main memory