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WorksheetsIT GIRL 1
Total questions: 25
Worksheet time: 20mins
An electronic device that processes information or data.
(a)
It has the ability to store, retrieve, and process information.
(a)
a piece of hardware that sends data to a computer.
(a)
EXAMPLES: ➢ Keyboard ➢ Mouse ➢ Touchpad ➢ Scanner ➢ Digital camera ➢ Microphone ➢ Joystick ➢ Graphic tablet ➢ Webcam
OUTPUT DEVICES
. INPUT DEVICES
SYSTEM SOFTWARE
APPLICATION SOFTWARE
a piece of computer hardware that receives data from a computer and then translates that data into another form
(a)
That form may be audio, visual, textual, or hard copy such as a printed document
(a)
EXAMPLES: ➢ Monitor ➢ Printer ➢ Headphones/Earphones/ Speaker ➢ Projector
OUTPUT DEVICES
. INPUT DEVICES
. SYSTEM SOFTWARE
APPLICATION SOFTWARE
also known as a "tower" or "chassis," is the main part of a desktop computer.
(a)
It includes the motherboard, CPU, RAM, and other components. The system unit also includes the case that houses the internal components of the computer.
SYSTEM UNIT
SYSTEM SOFTWARE
COMPUTER SYSTEM
Designed to run a computer’s hardware and application programs.
(a)
Works in the background. Users are not able to interact with it.
(a)
SYSTEM SOFTWAR Cannot run independently as it provides the platform for the running application softwares.
T
F
Performs a specific function directly for an end user or, in some cases, for another application
It can’t run independently because it is not able to run without the presence of system software.
(a)
a Persian author who coined the word algorithm. ○ wrote a textbook on mathematics
Abu Ja’far Mohammed ibn Musa al Khowarizmi
Mohamad jansen
Behrouz Vosoughi Ezatollah Entezami
from the latest Webster’s dictionary “any special method of solving a certain kind of problem” – which has taken on a special significance in computer science
(a)
Any well-defined computational procedure that takes some value, or set of values, as input and produces some value, or set of values, as output.
(a)
2 main criteria for judging the merits of algorithms
Correctness ,Efficiency
Efficiency, Accuracy
Correctness , Deficiency
1. Correctness - How much resources (in terms of memory and time) does it take to execute the 2. Efficiency - Does the algorithm give a solution to the problem in a finite number of steps?
1ST STATEMENT IS TRUE
2ND STATEMENT IS WRONG
BOTH WRONG
ALL GOODS
An algorithm is said to be incorrect if, for every input instance, it halts with the correct output
T
F
helps determine the most efficient algorithm in terms of time and space.
(a)
Identifies all 100,000 genes in human DNA, determines sequences of 3 billion chemical base pairs, and develops data analysis tools. Algorithms are used to efficiently accomplish tasks and extract more information.
The Human Genome Project
The Internet
Electronic Commerce
Allows quick access and retrieval of large amounts of information, utilizing algorithms for data routing and search engine optimization.
The Human Genome Project
The Internet
Electronic Commerce
Enables electronic negotiating and exchange of goods and services, relying on the privacy of personal information. Core technologies include public-key cryptography and digital signatures, based on numerical algorithms and number theory.
The Internet
Electronic Commerce
The Human Genome Project
refers to a precise method usable by a computer to solve a problem.
(a)
An --- sends data to the computer.
(a)
