tacn-cntt

Front

Name some types of computers you have learnt.

Back

- Microcomputer

- workstation

- mainframe

- supercomputer

- minicomputer

Front

what is minicomputer/microcomputer/mainframe?

Back

- Microcomputer: A small,single-user computer based on a microprocessor.

- minicomputer: A multi-user computer capable of supporting up to hundreds of users simultaneously.

- mainframe: A powerful multi-user computer capable of supporting many hundreds or thousands of users simultaneously.

Front

What are sections in a standard computer system? What are their functions?

Back

- Central processing unit (CPU): executing program instructions and coordinating the activities of all the other units

- The main memory: holding the instructions and data which are currently being processed by the CPU

- The peripherals: are the physical units attached to the computer to enhance its functionality or provide additional features

Front

What is a processor?

Back

A processor consists of many different electronic circuits and devices for performing control functions, arithmetic and logic operations, and data transfers

Front

What are the processor's functions?

Back

control function, arithmetic and logic operations, data transfers

Front

What are the general characteristics of the operating system?

Back

- managing hardware resources

- providing a user interface

- facilitating communication between software and hardware

- handling system security

- supporting multitasking

- enabling file management

Front

What is the most important part of a motherboard?

Back

CPU

Front

How many types of transmissions?

Back

Analog transmission and Digital transmissions

Front

What is Analog Transmission?

Back

Analog transmission uses analog signals to convey data, typically represented by variations in waveforms, common in older telephone systems

Front

What is Digital Transmission?

Back

Digital transmission involves sending data using discrete electrical pulses, representing binary code, offering advantages such as higher speed and lower error rates compared to analog transmission