Trắc Nghiệm Kiến Trúc Máy Tính ( English ) - Bài 19
1-
"A byte can represent ____ different numbers, so we can have ____ different
colours in the image." This statement pertains to computer graphics. The spaces contain
the same number-but what is that number:
A -
256
B -
326
C -
152
D -
236
2-
A computer user the 8-bit sign-and-magnitude representation to store integers.
The largest integer that can be processed by this computer is
A -
8
B -
256
C -
128
D -
127
3-
A computer has the following softwares installed. Which will be the first one to
be loaded to the memory when the computer is powered up?
A -
Web page browser
B -
Email communication package
C -
Operating system
D -
Word processor
4-
A DVD-ROM is a
A -
multisession compact disc onto which you can record that rewrite at speeds of 10/20/40
B -
disc that you can record and erase multiple times.
C -
a floppy storage media.
D -
an extremely high capacity compact disc capable of storing from 4.7GB to 17GB
5-
A modem is used to
(1) enble the computer to read and understand analogue signals directly.
(2) convert digital signal to analogue signal.
(3) convert analogue signal to digital signal.
A -
(2) only.
B -
(1) and (2) only
C -
(1),(2) and (3)
D -
(2) and (3) only
6-
A simple terminal includes hardware to support all the following actions
except:
A -
storage
B -
input
C -
output
D -
connectivity
7-
A system bus is also known as:
A -
A processor bus
B -
A memory bus
C -
An address bus
D -
An input/Output bus (I/O bus)
8-
A ____ is equal to exactly 1.024 bytes, but computer users often round down to
1.000 bytes to make memory and storage definitions easier to identify.
A -
dekabyte (abbreviated DB or D)
B -
centibyte (abbreviated CB)
C -
kilobyte (abbreviated DB or K)
D -
megabyte (abbreviated MB)
9-
All of the following might be characteristics of printers except
A -
dots per inch
B -
pixels
C -
impact or nonimpact
D -
pages per minute (PPM)
10-
____ are kept on a storage media such as a floppy disk, hard disk, CD-ROM, or
DVD-ROM and are input into the memory of a computer as needed.