NJE GAMF MIK DIT

Computer architectures I. scoring test

Name:

Neptun code:

Date: $2024.05.14$

Mark your answer clearly. Each task is worth $2$ point.

Which computer manufacturer's machine was the first to develop the UNIX operating system and the $C$ programming language?

IBM

$CDC$

$$ none of the answers are correct

To which computer is the term "computer architecture" associated?

Cray$-1$

DEC PDP$-1$

IBM $360$

none of the answers are correct

The memory compartment of a computer is $23$ bits. How many octal numbers can be used to specify the contents of the memory compartment?

$6$

$18$

$4$

none of the answers are correct

A processor's ALU is $16$ bits. How many hexadecimal numbers can be used to specify the size of the operands?

$3$

$6$

none of the answers are correct

How many hexadecimal numbers can be used to specify the content of a $16-$bit register?

$32$

$16$

$4$

$$ none of the answers are correct

The address bus of a microprocessor is $32$ bits, the memory compartment is $32$ bits. How many bytes of memory capacity?

$16777216$

$33554432$

$65536$

none of the answers are correct

What is the binary form of the decimal number $137\mathrm{.}125?$

$10011001\mathrm{.}101$

$10011000\mathrm{.}011$

$10001001\mathrm{.}001$

none of the answers are correct

What is the value of the carry bit after adding the numbers $0AC$ and $0DC?$

$064$ and $046$ are numbers represented in two's complement code. What is the value of the overflow bit after adding the numbers?

$10$

$x=0AB$ and $Y=0BA$ are unsigned integers. What is the value of the borrow bit after subtracting $x-Y?$

$10$

What is the sign bit of two's complement code number $05F?$

$0$

Is the following statement true? $"$In the case of the sign $+$absolute value number representation, the representation of the number $0$ is clearly defined."

TRUE

FALSE