The correspondence between the main memory blocks and those in
the cache is specified by
A. Segment function
B. Hit rate
C. Replacement algorithm
D. Mapping function
E. Miss penalty - ✔️✔ Correct Answer mapping function
________ is when the disk rotates more slowly for accesses near the
outer edge than for those near the center.
a. Constant angular velocity (CAV)
b. Magnetoresistive
c. Constant linear velocity (CLV)
,d. Seek time - ✔️✔ Correct Answer Constant linear velocity
(CLV)
The __________ interprets the instructions in memory and causes
them to be executed.
A. Main memory
B. Control unit
C. I/O
D. Arithmetic and logic unit - ✔️✔ Correct Answer b. control
unit
Cycle stealing is/are used in which concept?
A. Programmed I/O
B. DMA
C. Interrupts
D. Memory mapped I/O
,E. All of the above - ✔️✔ Correct Answer B. DMA
The data lines provide a path for moving data among system modules
and are collectively called the _________.
a. control bus
b. address bus
c. data bus
d. system bus - ✔️✔ Correct Answer c. data bus
All DRAMs require a refresh operation.
(T/F) - ✔️✔ Correct Answer T
The ___ determines the opcode and the operand specifiers
A. Decode instruction
B. Fetch operands
C. calculate operands
, D. execute instruction - ✔️✔ Correct Answer A. decode
instruction
A __________ disk is permanently mounted in the disk drive, such as
the hard disk in a personal computer.
a. nonremovable
b. movable-head
c. double sided
d. removable - ✔️✔ Correct Answer nonremovable
__________ are a set of storage locations.
A. Processors
B. PSWs
C. Registers
D. Control units - ✔️✔ Correct Answer c. Registers