Week 3

Question 1

How many numbers can be represented using four bits?

Answer 1

16

Question 2

How many numbers can be represented using four bytes?

Answer 2

1 byte = 8 bits
4bytes = 4x8bits = 32bits
32x4numbers = 128

Question 3

Collections of algorithms for specific technical tasks, e.g., image processing, optimization, or statistics, are called

Answer 3

toolbox(es)

Question 4

The world’s first high-level programming language is called __________.

Answer 4

Fortran

Question 5

The well-known constant __________ should not be redefined by a program during its execution.

Answer 5

pi

Question 6

The __________ command lists all of the current workspace variables.

Answer 6

whos

Question 7

User input is returned as a character string if the function input has __________ as a second argument.

Answer 7

’s’

Question 8

There are two __________ data types: single precision and double precision.

Answer 8

floating-point

Question 9

The function __________ rounds numbers to the nearest integers toward zero.

Answer 9

fix

Question 10

The identity matrix is generated in MATLAB using the function __________.

Answer 10

eye

Question 11

A(n) __________ occurs when a program executes completely but the result is not what is intended.

Answer 11

logic error(s)