1st EXAM

Question 1

Is a step by step method of solving a problem. It is commonly used for data processing, calculation, and other related computer and mathematical operations.

Answer 1

Algorithm

Question 2

Oblong

Answer 2

terminal

Question 3

Parallelogram

Answer 3

Input/Output operation

Question 4

Rectangle

Answer 4

Process

Question 5

Hexagon

Answer 5

Initialization

Question 6

Is an informal program description that does not contain code syntax or underlying technology considerations. It summarizes the program flow but excludes underlying programming details

Answer 6

Pseudocode

Question 7

Is a graphical representation of an algorithm. It is usually drawn using certain special-purpose symbols connected by arrows called flow lines.

Answer 7

Flowchart

Question 8

Rectangle (another)

Answer 8

Pre-defined Process

Question 9

Circle pero naay triangle sa ubos na upside-down

Answer 9

Off-page connector

Question 10

Circle

Answer 10

On-page connector

Question 11

Diamond

Answer 11

Decision

Question 12

Arrow, Two headed arrow, small arrow heads.

Answer 12

Flow lines

Question 13

==

Answer 13

Equal to

Question 14

!=

Answer 14

not equal to

Question 15

<

Answer 15

Less than

Question 16

<=

Answer 16

Less than or equal to

Question 17

>

Answer 17

Greater than

Question 18

> =

Answer 18

Greater than or equal to

Question 19

!

Answer 19

not

Question 20

&&

Answer 20

And

Question 21

||

Answer 21

Or

Question 22

raise to power

Answer 22

pow (base, exponent)

Question 22

compute the square root

Answer 22

sqrt(expression)

Question 23

arctan of an angle

Answer 23

atan(expression)

Question 23

compute the cube root

Answer 23

cbrt(expression)

Question 24

find sine of an angle

Answer 24

sin(expression)

Question 25

consine of an angle

Answer 25

cos(expression)

Question 26

tangent of an angle

Answer 26

tan(expression)

Question 27

arcsine of an angle

Answer 27

tan(expression)

Question 28

arccosine of an angle

Answer 28

acos(expression)

Question 29

returns exponential value (Euler's number); e*

Answer 29

exp(value)

Question 30

compute natural log

Answer 30

log(value)

Question 30

round down a value

Answer 30

floor(expression

Question 31

compute common log

Answer 31

log10(value)

Question 32

round up a value

Answer 32

ciel(expression)

Question 33

compute remainder of division

Answer 33

fmod(expression)

Question 34

truncate value

Answer 34

trunc(expression)

Question 34

round to nearest

Answer 34

round(expression)

Question 35

returns absolute value; |x|

Answer 35

abs(value)

Question 36

returns 1 if the sign of the argument is negative, else returns 0

Answer 36

signbit(value)

Question 37

pi

Answer 37

M_PI

Question 38

e

Answer 38

M_E

Question 39

An integer is a numeric literal (associated with numbers) without any fractional or exponential part. Example. 120, -90, etc.

Answer 39

Int:

Question 39

It is a double-precision floating point value. Example: 11.22, 2.345

Answer 39

Double:

Question 40

A character literal is created by enclosing a single character inside single quotation marks. For example: ‘a’, ‘m’, ‘F’, ‘P’, ‘}’ etc.

Answer 40

Char:

Question 40

A floating-point literal is a numeric literal that has either a fractional form or an exponent form. For example: 1.3, 2.6

Answer 40

Float:

Question 40

A string literal is a sequence of characters enclosed in double-quote marks. For example: “How are you?”

Answer 40

String Literals:

Question 40

It holds Boolean value true or false.

Answer 40

Bool:

Question 41

FIRST GENERATION COMPUTER:

Answer 41

Vacuum Tubes (1940–1956)

Question 42

the first general-purpose programmable electronic computer, was completed in 1945 and introduced on February 14, 1946. It was built by engineer J. Presper Eckert and John V. Mauchly at the University of Pennsylvania.

Answer 42

The ENIAC,

Question 42

The vacuum tube, invented in 1904 by British engineer

Answer 42

John Ambrose Fleming

Question 43

THIRD GENERATION COMPUTER:

Answer 43

Integrated Circuits (1964-1971)

Question 44

FOURTH GENERATION OF COMPUTER:

Answer 44

Microprocessor (1971-Present)

Question 45

1. Which of the following was a primary use for the early first-generation computers? A) Scientific Calculations B) Word Processing C) Web Browsing D) Email Communication

Answer 45

A) Scientific Calculations

Question 46

3. Which of the following is a famous early computer that used vacuum tubes? A) UNIVAC B) ENIAC C) Apple II D) IBM PC

Answer 46

B) ENIAC

Question 46

2. Who invented the vacuum tube? John Fleming Thomas Edison Steve Jobs Bill Gates

Answer 46

John Fleming

Question 47

5. What is the main function of a microprocessor in a computer? Store files B) Play music C) Control the computer’s operations D) Display pictures

Answer 47

C) Control the computer’s operations

Question 47

4. What replaced vacuum tubes in the next generation of computers? Transistors Microprocessors Light Bulbs Batteries

Answer 47

A) Transistors

Question 48

6. Which of these terms refers to a computer's ability to do many tasks at once? A) Speed B) Versatility C) Size D) Cost

Answer 48

B) Versatility

Question 49

7. Which of the following is NOT a computer part? Monitor B) Keyboard C) Bicycle D) Mouse

Answer 49

C) Bicycle

Question 49

8. Which of these computers was one of the first to be sold to the public? A) ENIAC B) UNIVAC C) Apple II D) PDP-8

Answer 49

C) Apple II

Question 50

9. Which of these is a type of memory used in computers? A) Magnetic Tape B) Notebook C) Paper D) Marker

Answer 50

A) Magnetic Tape

Question 51

10. Which of the following was a primary use for the early first-generation computers? Scientific Calculations Word Processing Web Browsing Email Communication

Answer 51

Scientific Calculations