Worksheetsintroduction to computers
Total questions: 70
Worksheet time: 38mins
The four stages of the information processing cycle are:
input, output and storage
input, processing, storage and output
input, storage, processing and output
Electronic device that manipulates data:
Hard disk
CPU
Computer
Collection of unprocessed element which includes text, numbers, images, audio and video
Data
Information
Information Processing Cycle
Are computers designed for general, everyday use.
Mainframe
PC
Game Consoles
Computers with powerful processors, lots of memory and many large drives
Embedded computers
Mobile Computers
Servers
Components in larger products that are used on many domestic appliances:
embedded computers
mainframes
supercomputers
It is the brain of the computer, it performs all the calculations for the computer.
RAM
CPU
DVD ROM
It is the place where software and data is stored while it is being used.
ROM
Hard Drive
RAM
It is the central printed circuit board and holds many of the critical components of the system
Mother board
Hard Disk
Graphics Card
It is a non volatile random access digital storage device.
DVD
USB
Hard disk
They are input devices...
Keyboard and scanner
Printer and speakers
DVD and CD
A kilobyte is equivalent to:
1024 bytes
1524 bytes
13024 bytes
The sets of instructions which are also called computer programs installed in the computer are called.....
Computer
Hardware
Software
You can use a computer to......
type documents
browse the internet
send email
All is correct
The computer's superiority lies in its special characteristics such as .....
speed, reliability
all is correct
accuracy, diligence
versatility, storage capacity
A computer can perform tasks very fast. is....
versatility
accuracy
reliability
Speed
Electronic components in modern computers are dependable because they have a low failure rate. is.....
accuracy
reliability
diligence
versatility
Unlike human beings, a computer is free from boredom, tiredness, lack of concentration, etc., hence a computer can work for hours without making any errors or complaints. is....
storage capacity
versatility
diligence
accuracy
The computer has an in-built memory where it can store a large amount of data. This is called ..........
Storage
Primary Storage
Software
Hardware
Limitations of a Computer. except.........
The computer can do only what you tell it to do-you cannot expect the computer give you something which you did not ask.
speed
It will give wrong information if you feed it with wrong data- the computer cannot identify what the correct data and what the wrong data are.
Used by multi-users. In the middle when the computers are ranged from smallest to largest. Used in laboratories.
minicomputers
microcomputers
mainframes
super computers
Usually the ................ are placed in a fixed location and the name has derived as it is intended to be sitting on a top of a desk.
wearable computers
Laptop computers
Desktop computers
Netbook
Mobile computers larger than PDAs and smaller than Laptops. Usually operated by its touch screen and no formal keyboard are used.
Wearable Computers
Tablets
Netbook
Minicomputers
What is an application?
a software program which allows a user to perform specific tasks
physical things that make up a computer, such as a component or a peripheral
an electronic, digital device that stores and processes information
What are the end users of a program?
a person who writes or modifies computer programs or applications
a measure of how easy or efficient a program is to use
a program in which the code is distributed allowing programmers to alter and change the original software as much as they like
a person who uses a product or service on a computer
Which is the correct order for the information processing cycle?
processing, output, input
input, output, processing
input, processing, output
All of the above
Touching your phones screen to open an app: Input, output or storage
Input
Output
Storage
Printing a document: Input, output or storage
Input
Output
Storage
The movie stored on a DVD
Input
Output
Storage
A computer designed specifically to find the solution of systems of simultaneous and linear equations is an example of what type of computer?
General Purpose Computer
Special Purpose Computer
Control Systems
Who developed the first general purpose machine?
Tommy Flowers
Konrad Zuse
Charles Babbage
Which of the following is an example of a general purpose system?
Laptops
Digital Cameras
ATMs
Which of the following is true with respect to Moore's Law?
The processing speed of computers halves every two years
The number of transistors doubles every two years
The physical size of computers increases over years
Which of the following would hold the most information?
500 megabytes
5 gigabytes
5000 bytes
50,000 000 kilobytes
What is the name of this Windows screen?
Homepage
Desk window
Desktop
Deck Screen
What is this kind of computer called?
Lapcomp
Laptop
Toplap
windows Mobile
What is a computer?
A computer is case that manipulates information or data.
A computer is an electronic device that manipulates information or data.
A computer is powered box that manipulates information or data.
A computer has the ability to:
It has the ability to store, retrieve, and process data.
It has the ability to store, retrieve, and pastas data.
It has the ability to stage, retrieve, and process data.
You can use a computer to (check all that apply)
Type Documents
Send Email
Play Games
Browse the web
Software is ...
Hardware for your computer
any set of instructions that tells the hardware what to do and how to do it
all hardware components
any set of instructions for you to read
Desktop Computers have (CHECK ALL THAT APPLY)
Mouse
Computer Case
Monitor
Keyboard
The laptop computer is commonly called a
mobility device
a persons preferred computer
laptop
Tablet computers
Are worse than computers
Are more portable than laptops
Use a keyboard
Use a mouse
Which of the following are specialized computers. (click all that apply)
house phone
smartphone
wearables (fitness trackers, smartwatches)
game consoles
