WorksheetsITE-10: Introduction to Computing
Total questions: 74
Worksheet time: 47mins
It is derived from the word “compute”.
(a)
A computer is an electronic machine that accepts data from the user, processes the data by performing calculations and operations on it, and generates the desired output results.
True
False
Maybe
It's both True and False.
A Computer can performs both simple and complex operations,
with speed and accuracy.
True
False
Maybe
Both True and False
A Computer can't performs both simple and complex operations,
with speed and accuracy.
True
False
Maybe
Both True and False
It is a computer that uses distinct values to represent the data internally.
(a)
All information are represented using the digits O's and 1's
DIGITAL COMPUTER
ANALOG COMPUTER
It is a kind of computer that represents data as variable across a continuous range of values.
DIGITAL COMPUTER
ANALOG COMPUTER
It is used for measuring of parameters that vary continuously in real time, such as temperature, pressure and voltage
DIGITAL COMPUTER
ANALOG COMPUTER
which of the following is NOT a characteristic of computer?
Speed
Accuracy
Versatility
Strength
A computer device’s (a) is extremely fast, as it can perform any calculation in seconds. This is one of the key characteristics of computers. This computer characteristic also enhances the versatility of the computer.
This is an incredible characteristic of computers, which is their high level of (a) . It is capable of performing 100% accurate calculations.
A computer is free of fatigue, lack of concentration, and so on. It can work for hours without making any mistakes.
(a)
Refers to the ability of computers to perform a variety of tasks: simple as well as complex.
(a)
Refers to how much disk space one or more storage devices provides. It measures how much data a computer system may contain.
(a)
The first mechanical calculating device for counting of large numbers.
ABACUS
Napier’s Bones
ENIAC
Pascal's calculator
A mechanical device built for the purpose of multiplication in 1617 ad. by an English mathematician John Napier.
Napier’s Bones
ABACUS
ENIAC
Pascal calculator
It can perform operations like addition, subtraction, multiplication and division. It was used extensively, it was developed by an English mathematician Edmund Gunter in the 16th century.
Slide Rule
ENIAC
Bombe
Calculator
It was developed by Blaise Pascal. It could add and subtract. The machine consisted of wheels, gears and cylinders.
Pascal’s Adding & Subtraction Machine
Slide Rule
Napier’s Bones
ABACUS
Leibniz’s Multiplication and Dividing Machine was a mechanical device that could both multiply and divide. The German philosopher and mathematician Gottfried Leibniz built it around 1673. was called?
The Step Reckoner
Punch Card System
Babbage’s Analytical Engine
Hollerith’s Punched Card Tabulating Machine
It was developed by Jacquard to control the power loom in 1801. He invented the ___________ reader that could recognize the presence of hole in the punched card as binary one and the absence of the hole as binary zero. The O's and 1's are the basis of the modern digital computer.
Punch Card System
Leibniz’s Multiplication and Dividing Machine
Hollerith’s Punched Card Tabulating Machine
Babbage’s Analytical Engine
The machine was called as difference engine and the analytical engine was invented by?
Charles Babbage
Alan Turing
Blaise Pascal
John Mauchly
The machine could read the information from a punched card and process it electronically.
Hollerith’s Punched Card Tabulating Machine
Babbage’s Analytical Engine
Punch Card System
Leibniz’s Multiplication and Dividing Machine
What generation of Using Vacuum Tubes?
First
Second
Third
Fourth
Fifth
What generation of using Transistors
First
Second
Third
Fourth
Fifth
The generation of Using Integrated Circuits
first
second
third
fourth
fifth
The generation of Using Microprocessors
first
second
fourth
third
fifth
The generation of Using Artificial Intelligence
first
second
third
fourth
fifth
A stand alone machines, but they can be connected to create a network of computers that can serve more than one user.
Super computer
Mainframe computer
Mini computer
Micro computer
A digital computers, generally used in multi-user systems.
Super computer
Mainframe computer
Micro computer
Mini computer
A multi -user, multi -programming and high -performance computers.
Super computer
Mainframe computer
Mini computer
Micro computer
The fastest and the most expensive machines. They have high processing speed compared to other computers.
Super computer
Mainframe computer
Mini computer
Micro computer
It consists of the mechanical parts that make up the computer as a machine. It is also consists of physical devices of the computer.
Hardware
Software
Data
User
It is a set of instructions that tells the computer about the tasks to be performed and how these tasks are to be performed.
Hardware
Software
Data
User
It is an isolated values or raw facts, which by themselves have no much significance.
User
Hardware
Software
Data
This are people who write computer programs or interact with the computer.
Data
Software
Hardware
User
Example •
January 19, 1999.
Butuan City, Agusan Del Norte.
Hardware
Software
Data
User
Examples
• Audio Player
• Video Player
• Operating System
• Photo Editor
• Video Editor
• Antivirus
• Game
• Word Processors
Hardware
Software
Data
User
Example
• Keyboard
• Monitor
• hard disk drive
• floppy disk drive
• Printer
• Processor
• motherboard
Hardware
Software
Data
User
Example
• Programmers,
• Data entry operators
• System analyst
• Computer hardware engineers
Hardware
Software
Data
User
The computer accepts input data from the user via an input device like keyboard. It can be characters, word, text, sound, images, document, etc.
Input
Process
Output
Storage
For this, it performs some actions on the data by using the instructions or program given by the user of the data. The action could be an arithmetic or logic calculation, editing, modifying a document, etc.
Input
Process
Output
Storage
The result generated after the processing of data. It may be in the form of text, sound, image, document, etc.
Input
Process
Output
Storage
The input data, instructions and output are ______ permanently in the secondary ______ devices like disk or tape.
Input
Output
Process
Storage
The user interacts with the computer via the I/O unit.
Input/output Unit
Central Processing Unit
Memory Unit
Storage Unit
It is responsible for processing of the input data. Controls the overall operations of the computer i.e. it checks the sequence of execution of instructions, and, controls and coordinates the overall functioning of the units of computer. It consists of Arithmetic Logic Unit (ALU) and Control Unit (CU).
Central Processing Unit
Input/output Unit
Memory Unit
Storage Unit
It stores the data, instructions, intermediate results and output, temporarily, during the processing of data.
Memory Unit
Central Processing Unit
Input/output Unit
It is referring to the structure and behavior of the computer.
Computer architecture
Computer organization
Computer design.
It deals with how the hardware components operate and the way they are connected to form the computer.
Computer Organization
Computer Architecture
Computer Organization
Concerned with the hardware design of the computer. Once the computer specifications are formulated it is the task of the designer to develop hardware for the system.
Computer Design
Computer Organization
Computer Architecture
a case that contains electronic components of the computer used to process data.
(a)
It is the main circuit board of the system unit?
(a)
An integrated circuit or IC, is a set of electronic circuits on a small flat piece of silicon.
(a)
Also called the central processing unit (CPU), interprets and carries out the basic instructions that operate a computer.
– consists of Arithmetic Logic Unit (ALU) and Control Unit (CU).
(a)
It performs arithmetic, comparison, and other operations.
Arithmetic Logic Unit
Registers
Control unit
One of a small set of data holding places that are part of the computer processor
Random access memory
Processor register
The System Unit
Data Representation
It is often referred to as the CPU’s working memory.
It store data, instructions, addresses and intermediate results of processing.
Registers
Accumulator
Program Counter
Memory Buffer
The pace of the system clock is called the clock speed, and is measured in gigahertz.
Click any of the Following.
C, C++, C#
Python
Java Script
SQL
The system clock controls the timing of all computer operations.
Idealist
Realist
Refers to the form in which data is stored, processed, and transmitted.
Data Representation
Memory
Processor
Register
Consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processing the data.
(a)
The memory that can keep the information only during the time it is powered up. In other words, volatile memory requires power to maintain the information.
Data Representation
Volatile memory
Nonvolatile memory
memory
A type of computer memory that can retain stored information even after power is removed. In contrast, volatile memory needs constant power in order to retain data.
Nonvolatile memory
Volatile memory
Data Representation
Memory
a type of computer storage containing non-volatile, permanent data that, normally, can only be read, not written to.
Read Access Memory(RAM)
Read Only Memory(ROM)
A computer's short-term memory, where the data that the processor is currently using is stored.
Read Access Memory(RAM)
Read Only Memory(ROM)
A Technology that provides high speeds and consumes little power is called?
CMOS (Complementary metal-oxide-semiconductor)
Flash memory
Access time
RAM
(Read Access Memory)
It can be erased electronically and rewritten.
Flash memory
CMOS (Complementary metal-oxide-semiconductor)
RAM
(Read Access Memory)
Access time
Its the amount of time it takes the processor to read from memory – Measured in nanoseconds.
Access time
CMOS (Complementary metal-oxide-semiconductor)
RAM
(Read Access Memory)
Flash memory
A socket on the motherboard that can hold an adapter card.
Expansion slot
Adapter card
Enhances functions of a component of the system unit and/or provides connections to peripherals – Sound card and video card
Expansion slot
Adapter card
The point at which a peripheral attaches to or communicates with a system unit (sometimes referred to as a jack).
(a)
A USB port can connect up to 127 different peripherals together with a single connector
Drums
Violin
Guitar
Piano
what are the types of ports?
Give at least 6:
An external device that provides connections to peripherals through ports built into the device.
Port replicator
Docking station
An external device that attaches to a mobile computer or device.
Port replicator
Docking station
