Trắc Nghiệm Kiến Trúc Máy Tính ( English ) - Bài 17
1-
Which of the followings is/are handled by the Control Unit?
(1) tells the main memory whether a read or write operation is going to carry out.
(2) instruction decoding.
(3) send a nd receive control signals to and from periphernal devices.
A -
(1), (2) and (3)
B -
(1) and (3) only
C -
(2) only
D -
(2) and (3) only
2-
Which of the following signals are sent to the CPU in instruction cycles?
(1) address signals
(2) machine instructions
(3) data
A -
(3) only
B -
(2) and (3) only
C -
(1) only
D -
(1) and (2) only án, chỉ dùng HTML
3-
Which of the following is/are the responsibility/responsibilities of the operating
system in a computer?
(1) Compile high level language programs.
(2) Maintain the file structures in the hard disk.
(3) Queuing print jobs.
A -
(1) only
B -
(2) and (3) only
C -
(1) and (2) only
D -
(1), (2) and (3)
4-
Which of the following strategies can reduce the amount of time the CPU
spends on waiting for the peripheral devices to complete their operations?
(1) Use technique of spooling.
(2) Employ a multi-tasking operating system.
(3) Set peripheral devices to offline mode.
A -
(1) and (2) only
B -
(1) only
C -
(1), (2) and (3)
D -
(2) and (3) only
5-
Which of the following is handled by the operating system? (1) Determine whether a user has the right to acces a file.
(2) Formatting a disk.
(3) Allocate memory space for application programs.
A -
(1), (2) and (3)
B -
(2) and (3) only
C -
(1) only
D -
(1) and (2) only
6-
Which is not a valid AMD CPU?
A -
K6
B -
Athlon
C -
K5
D -
K8
7-
Which of the following is a consequence of enabling shadowing in a computer
BIOS?
A -
Data stored in RAM and adaptive card is shadowed into extended memory.
B -
Conventional memory is remapped to the top extended memory.
C -
Values are stored twice in memory for redundancy checking.
D -
Instructions stored in various ROM chips are copied into RAM.
8-
Which layer of the Operating System controls access to the processor?
