10 Questions
Which of the following best describes the purpose of a counter in a computer system?
To calculate the address of the next instruction
How many bits do the AR and PC registers have in the basic computer system described?
12 bits each
Which register receives a character from an input device and transfers it to AC in the basic computer system?
INPR
What happens when the contents of AR or PC are applied to the 16-bit common bus?
Only the 12 most significant bits are transferred
What is the purpose of the input register INPR in the basic computer system configuration?
To receive characters from an input device
How many control inputs do five registers in the basic computer system have?
Three
What is NOT transferred from OUTR to any other registers in the basic computer system?
Data from AC
Why are only the 12 least significant bits transferred into AR or PC when receiving information from the bus?
To match the bus width
Which register in the described computer system is responsible for delivering characters to an output device?
OUTR
What is the role of two registers, AR and PC, with respect to memory addresses in this computer system?
Hold memory addresses
Explore the major parts of a computer system including the central processing unit (CPU) and memory. Learn about the functions of CPU registers, arithmetic and logic unit, and random-access memory (RAM).
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