Types of Computer Systems
This type of computer is the most powerful and used for weather forecasting and scientific research.
What is a supercomputer?
The part of the computer that performs calculations and controls all other parts.
What is the CPU (Central Processing Unit)?
Device used to read multiple-choice answer sheets.
What is an OMR (Optical Mark Reader)?
Which system spec is most important for gaming performance?
What is processing speed (CPU and GPU)?
In Excel, the intersection of a row and column is called a ______.
What is a cell?
A large enterprise or bank would most likely use this type of computer to handle thousands of transactions.
What is a mainframe?
Temporary storage used while the computer is running.
What is RAM?
Device that captures handwritten text from cheques.
What is a MICR (Magnetic Ink Character Reader)?
Which System Specificatuions would be best for graphic design?
A desktop computer with high RAM and powerful GPU.
This function returns the largest number in a range.
What is MAX()?
These computers are small, portable, and include laptops and tablets.
What are mobile devices?
This Optical Storage device that uses laser technology to read and write data.
What is an optical disk (CD, DVD, Blu-ray)?
Two examples of audible output devices.
What are speakers and headphones?
A student only needs to do word processing and browsing — which type of computer system is most suitable?
A budget laptop or tablet.
You use this feature to arrange data alphabetically or numerically.
What is Sorting?
These computers are built into appliances and machines to perform specific tasks.
What are embedded systems?
Convert binary data into a human-readable form on a screen or paper.
What are output devices?
Which device would be most suitable for scanning photographs?
What is a document scanner or digital camera?
What does secondary storage refer to?
Permanent storage for files and programs (e.g., hard drive, SSD).
This function counts the number of cells that meet a specific condition.
What is COUNTIF()?
Compare a desktop computer and a laptop in terms of portability and power.
A desktop is less portable but more powerful, while a laptop is portable but less powerful.
Explain the IPOS cycle.
Input → Process → Output → Storage – data is entered, processed, displayed, and saved.
Match the input device to its application:
A.Bar code reader → ?
B. Biometric system → ?
A. Supermarket checkout, B. Security/identity verification
List three possible criteria for evaluating a computer system’s suitability.
Processing speed, memory (RAM), and storage capacity.
Explain the difference between a formula and a function.
A formula is user-defined (e.g., =A1+B1), while a function is built-in (e.g., =SUM(A1:B1)).