Subsection 06b Basic computer structure Flashcards
0’s and 1’s before entering the computer they are?
Digital
A basic computer would consist of?
Memory, I/O ports and CPU
A Byte is usually an?
8 BIT word
A character generator ROM is used in conjunction with?
A CRT controller
A common used material in computer manufacturing is?
Ferromagnetic material
A compact disc carries more information than?
A floppy disc
A computer consists of at least the?
CPU, memory and I/O port
A computer is acting in realtime when the output is?
Equal to the input data
A computer must have which to operate?
RAM/ROM, I/O devices, OS, Buses and clock
A computer requires to operate?
A Data bus, control bus, address bus
A computer using RAM would utilise?
an IC ( chip )
Hi level language statement is usually equivalent to several statements in?
Assembly
An example of a mass storage device would be?
A CD ROM
A Mass storage memory device which is also WORM ( Write once read memory ) is a?
CD ROM
8 BIT byte is capable of how many different instructions?
256
An asynchronous system provides?
Data in realtime without a clock pulse
EPROM is
A non volatile memory
Bubble memory stores data on?
A semiconductor material
Bubble memory, the information is?
Retained after power off
Computer instructions are transmitted from memory to CPU and back within?
Instruction words
DRAM requires?
A refreshing charge
Ferrite medium is used for computer memory because?
Data is stored after power is removed
For a computer to start up the basic instruction is from?
The ROM
How many bytes can be carried in a 32 BIT word?
4 Bytes
In a computer which highway contains the timing signals?
Control
In a computer memory device, which one of these has the slowest access time?
Magnetic tape
In memory using multivibrators, when power is switched off the data?
Will be lost
Magnetic materials are used in some?
RAMS
On what medium is daa stored within a bubble memory?
Magnetic loops
Realtime computers are ones that display data as soon as it is?
Processed
Registers are used in digital computers to store?
A limited amount of information on a temporary basis
SRAM does not require?
A refreshing charge
The different parts ( eg data and address ) of an instruction word are called?
Fields
Firmware used to convert high level instructions into binary machine codes in a computer is called?
Compiler
The four distinct sections of a digital system are?
Sense, decide, act and store
The function of the clock in a typical microcomputer is to?
Synchronise all the different microprocessor elements
The input bus into a central processor unit is?
A one way bus
The speed which a computer processes info depends upon?
The time period to access the memory
The type of memory used in a microprocessor system is?
Both RAM and ROM
What is a BAUD?
A BIT of data
What is EPROM?
Erasable Programme Read Only Memory
What is one advantage of magnetic core memory?
Retains content when power is removed
What is the advantage of EPROM over fusible link?
Can be re-programmed
What is the advantage of series over parallel message sending?
Only one pair of inductors required
What is the definition of BAUD rate?
1 BIT per second
Which of the following buses trigger the operation in a microprocessor?
The control bus
Which memory uses bi-stable switches or flip flops
SRAM
Which would have the least components?
ALU
