CYBR 3123 Quiz 4 With 100% Correct Solutions
General-purpose architectures are divided into the following three groups: - ANSWER
memory-memory, register-memory, and load-store.
__________ is the process whereby devices connected to a bus autonomously determine
which of the devices shall have control over the bus: - ANSWER distributed arbitration
using self-selection
The register that holds the address of the data to be transferred is called the ___________
- ANSWER memory address register
If the opcode field for an instruction has n bits, that means there are _______ potential
distinct operations. - ANSWER 2^n
A "subtract" statement is an example of a(n) __________ instruction. - ANSWER
arithmetic
For the following sequence of microoperations, what is the maximum value of the cycle
counter?
MAR ← X, MBR ← AC
M[MAR] ← MBR - ANSWER 1
Suppose a system has a byte-addressable memory of size 256MB. How many bits does
each address require? - ANSWER 28
What MARIE instruction is being executed by the RTN that follows?
MAR ← X
MBR ← M[MAR]
, MAR ← MBR
MBR ← ACM
[MAR] ← MBR - ANSWER StoreI X
What MARIE instruction is being executed by the RTN statement that follows?
PC ← X - ANSWER Jump X
A computer bus is comprised of data lines, __________, control lines, and power lines. -
ANSWER address lines
Accumulator architectures store one operand on the stack and the other in the
accumulator. - ANSWER False
If a system's instruction set consists of a 5-bit opcode, how many output signal lines
does the control unit at most have to contain? - ANSWER 32
Which of the following is placed into the symbol table during the pass one? - ANSWER
labels
The _______ is a digital logic element that is frequently used in computer registers. -
ANSWER D flip-flop
Assume that a system has a memory size of 4GB, byte-addressable. How many bits each
address needs? - ANSWER 32
If the postfix expression is A-B+C*(D*E-F)/(G+H*K), then the postfix, that is, reverse
Polish notation of the expression is - ANSWER AB-CDE*F-*+GHK*+/.
If, after fetching a value from memory, we find that the system has returned only half of
the bits that we expected; it is likely that we have a problem with: - ANSWER byte
alignment.
General-purpose architectures are divided into the following three groups: - ANSWER
memory-memory, register-memory, and load-store.
__________ is the process whereby devices connected to a bus autonomously determine
which of the devices shall have control over the bus: - ANSWER distributed arbitration
using self-selection
The register that holds the address of the data to be transferred is called the ___________
- ANSWER memory address register
If the opcode field for an instruction has n bits, that means there are _______ potential
distinct operations. - ANSWER 2^n
A "subtract" statement is an example of a(n) __________ instruction. - ANSWER
arithmetic
For the following sequence of microoperations, what is the maximum value of the cycle
counter?
MAR ← X, MBR ← AC
M[MAR] ← MBR - ANSWER 1
Suppose a system has a byte-addressable memory of size 256MB. How many bits does
each address require? - ANSWER 28
What MARIE instruction is being executed by the RTN that follows?
MAR ← X
MBR ← M[MAR]
, MAR ← MBR
MBR ← ACM
[MAR] ← MBR - ANSWER StoreI X
What MARIE instruction is being executed by the RTN statement that follows?
PC ← X - ANSWER Jump X
A computer bus is comprised of data lines, __________, control lines, and power lines. -
ANSWER address lines
Accumulator architectures store one operand on the stack and the other in the
accumulator. - ANSWER False
If a system's instruction set consists of a 5-bit opcode, how many output signal lines
does the control unit at most have to contain? - ANSWER 32
Which of the following is placed into the symbol table during the pass one? - ANSWER
labels
The _______ is a digital logic element that is frequently used in computer registers. -
ANSWER D flip-flop
Assume that a system has a memory size of 4GB, byte-addressable. How many bits each
address needs? - ANSWER 32
If the postfix expression is A-B+C*(D*E-F)/(G+H*K), then the postfix, that is, reverse
Polish notation of the expression is - ANSWER AB-CDE*F-*+GHK*+/.
If, after fetching a value from memory, we find that the system has returned only half of
the bits that we expected; it is likely that we have a problem with: - ANSWER byte
alignment.
