Comp Sci quiz 1

Question 1

ALU

Answer 1

arithmetic logic unit, a digital circuit that performs integer arithmetic and logical operations

Question 2

CPU

Answer 2

central processing unit, the brain of the computer that handles all the instructions you give it

Question 3

IDE

Answer 3

integrated development environment, groups together all the tools needed for programming in one environment

Question 4

JDK

Answer 4

Java Development kit, an implementation of either one of Java’s platforms

Question 5

TCP/IP

Answer 5

internet protocol suite, the networking model and communications protocol used in the internet

Question 6

OOP

Answer 6

object-oriented programming, a programming paradigm that represents the concept of “objects” that have data fields and methods

Question 7

RAM

Answer 7

random access memory, a type of memory in which a reader can go to a specific item without having to start at the beginning

Question 8

ROM

Answer 8

read only memory, computer hardware that stores programs or data that cannot be added to, modified or deleted

Question 9

I/O

Answer 9

input/output, the communication between an information processing system and the outside world

Question 10

API

Answer 10

application programming interface, a software component in terms of its operations, their inputs and underlying types

Question 11

JRE

Answer 11

the runtime portions of Java software, all you need to run your web browser

Question 12

JVM

Answer 12

Java Virtual Machine, the runtime engine of the java platform which allows any program written in Java or other language to run on any computer that has a native JVM

Question 13

HTML

Answer 13

hyperlink markup language, a standardized system for tagging text files to achieve font, color, graphic and hyperlink effects

Question 14

URL

Answer 14

uniform resource locator, a reference to a resource on the internet

Question 15

clock

Answer 15

a microschip that regulates the timing and speed of all computer functions

Question 16

clock speed

Answer 16

the speed at which the microprocessor executes each instruction

Question 17

Bus or Data Width

Answer 17

a group of electrical wires used to send information back and forth between two or more components

Question 18

compiler

Answer 18

a computer program that transforms source code written in a programming language into another computer language

Question 19

interpreter

Answer 19

a program that can analyze and execute a program line by line

Question 20

high-level language

Answer 20

a machine independent language that let the programmer concentrate on the logic of the problem to be solved rather than the intricacies of the machine

Question 21

booting

Answer 21

starting a computer into a state of readiness

Question 22

USB

Answer 22

universal series bus, way for communication and power supply between computers and electronic devices

Question 23

registers

Answer 23

small set of data holding place

Question 24

logic gate

Answer 24

the building blocks of digital technology, an integrated circuit or other device whose inputs and outpus represent binary values

Question 25

integrated circuit

Answer 25

an electronic circuit formed on a small piece of semiconducting material, performing the same function as a larger circuit made from discrete components

Question 26

OS

Answer 26

a software that manages computer hardware and software sources, common services for computer programs

Question 27

volatile

Answer 27

retaining data only as long as there is a power supply connected

Question 28

bit

Answer 28

the smallest element of computer storage

Question 29

byte

Answer 29

a contiguous sequence of binary bits

Question 30

four basic functions of a computer

Answer 30

input, processing, output, storage

Question 31

why is binary used

Answer 31

we don’t have technology to create more than two possible states

Question 32

four steps of machine cycles

Answer 32

fetch, decode, execute, storing

Question 33

fetch

Answer 33

load instruction from the memory

Question 34

decode

Answer 34

determine what the instruction is telling the computer to do

Question 35

execute

Answer 35

CPU executes instruction by ALU

Question 36

storing

Answer 36

the process of writing the result to memory

Question 37

who coined the term computer bug?

Answer 37

grace hopper