Block diagram of computer, Basic Computer Science

Assignment Help:

 

Input unit: These are used to read data and transfer to primary memory contained in CPU through keyboard or floppy disk or mouse etc.
Central Processing Unit (CPU): This consists of three divisions. They are:

1) Primary memory unit: This memory unit allows computer to store the data orinstruction read by input devices or data obtained by calculations in the program.

2) Control unit: This controls unit directs the operations of all units. This unit decodes and executes the instructions given in the program.

3) Arithmetic logic unit: This performs basic arithmetic operations like adding, subtracting, multiplicating, dividing and uses trigonometrical functions. It can also perform logical operations like comparing two variables, justifying the conditions. It can take many logical decisions.
Secondary memory or storage unit: These are external storage units and store data or program permanently on magnetic disk and magnetic tape.

 

1819_block diagram of computer.png

Output unit: Output unit is used to take data from primary memory and writes it on output devices like video display unit or printer etc. All these physical units and various other equipments in which the computer is made of is called ‘hardware'. The sequence of instructions given to a computer to solve any problem is called ‘software'.

 


Related Discussions:- Block diagram of computer

C programming, hello do have c programming experts

hello do have c programming experts

Prelude to programming concepts and design 5th edition, Input a list of pos...

Input a list of positive numbers, terminated by 0, into an array numbers []. Then display the array and the largest and smallest number in it.

Date mining, I have assignment in Date mning can you help me

I have assignment in Date mning can you help me

MIDI, Explain about MIDI audio

Explain about MIDI audio

Application software, APPLICATION SOFTWARE Application Software ...

APPLICATION SOFTWARE Application Software generally is the software which is used to generate customized applications for the clients. Ex: Word Star, Lotus 1-2-3, Ms-

What is blu-ray disk, Question 1 Explain the configuration steps involved ...

Question 1 Explain the configuration steps involved in CMOS setup Date and time Error halt Floppy drive A Halt on Hard disk C HDD Delay Keyboard Memory

Describe Priority Scheduling algorithm of operating system?, Priority Sched...

Priority Scheduling • The fundamental idea is straightforward: each process is assigned a priority, and priority is permitted to run. Equal-Priority processes are scheduled in FCF

What are the Proposals for Achieving Mutual Exclusion?, Proposal a) Disabli...

Proposal a) Disabling Interrupts (Hardware Solution) • Every process disables all interrupts just after entering in its critical section and re-enables all interrupts just previous

Programs - programming language, Programs - programming language: Prog...

Programs - programming language: Programs to implement algorithms on the computer must be written in a language that the computer can understand. It is fruitful, therefore, to

Software, Software: A computer system consists of two parts - hardware...

Software: A computer system consists of two parts - hardware and software. The first part, computer hardware, refers to all the visible components of the computer system:  key

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd