Computer Buses: Overview, Types, and Functions in Computer Architecture
A computer bus, in the context of computer architecture, refers to a communication pathway or set of electrical links that enables the transfer of information and signals between various components of a computer system. Buses are an essential part of a computer's internal architecture as they facilitate the exchange of data, instructions, and control signals among different hardware components.
Here are some examples of computer buses commonly used in modern computer systems:
In addition to these basic buses, computer systems may also utilize other specialized buses for specific purposes. For example:
To delve deeper into the topic of computer buses, you can explore various resources such as computer architecture textbooks, online articles, and research papers. These sources provide detailed information about bus protocols, bus architectures, bus arbitration techniques, and the advancements made in bus technologies over time.
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Exploring Different Types of Registers in Computer ArchitectureIn computer architecture, registers are temporary storage locations within the central processing unit (CPU) that hold data being processed. Different types of registers serve various purposes in a computer system. Here are some common types of registers:
Functions of Central Processing Unit (3 marks)
Highlight four factors one should consider when purchasing a printer
Give two types of registers found in the CPU
State the purpose of registers in a computer system.
Give two advantages of a Digital Versatile Disk over a normal Compact disk.
Computer systems are built from three types of physical components: Processor, memories and Input/Output devices. State two tasks of a processor
List any four examples of computer output devices.
List three factors to be considered when purchasing a microcomputer.
Distinguish between a computer drive and computer driver
A computer drive is a hardware component that facilitates storage and retrieval of data on a removable storage device while a computer driver is sets of instructions installed/ incorporated to the operating system the controlls the functionality of their specific peripheral devices. Describe the following types of printers and state one application area of each. Dot matrix A dot-matrix printer is an impact printer that produces printed images with a print head striking mechanism. The print head of a dot matrix printer is implemented in an array of pins arranged in rows and columns. To print a character, the required sets of pins are activated and sruck against an inked ribbon leaving the image on paper. Application – in banks for printing bank slips Thermal printer.
It is a non impact printer that uses a chemically treated paper that changes color to form characters when subjected to heat. Application – in photo studios to print pictures Factors to consider when buying input devices
State TWO functions of Inter Record Gap (IRG) in magnetic tapes
Distinguish between READ and WRITE as used in storage media.
Outline TWO purposes /uses of optical disks
State THREE application areas of speech output devices
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Give any TWO uses of a joystick
Describe four disk management tools
Describe three functions performed by the processor
Describe the term portability as used in the following context.Hardware
PETER USED A COMPACT DISK RECORDABLE TO SAVE HIS WORK. ½ OF THE DISK WAS USED TO STORE VIDEO FILES WHILE ¼ OF THE REMAINDER WAS TO SAVE AUDIO FILE. NOTE THAT CD-RECORDABLE IS 700MB. CALCULATE THE REMAINING SPACE IN BYTES.Video =0.5 x 700= 350 …………………… ½ mark
Audio = 0.125 x 700=87.5 ………………… ½ mark Total = 437.7 …………………… 1mark Remaining spaces (700-437.5) = 262.5MB ………… 1mark
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