Information Technology Reference
In-Depth Information
(a)
EPROM
(b)
ERAM
(c)
DRAM
(d)
SRAM
2.4.3
Which type of memory requires its memory of be refreshed at regular intervals:
(a)
EPROM
(b)
ERAM
(c)
DRAM
(d)
SRAM
2.4.4
If a processor can operate on four bytes at a time, which is its classification:
(a)
8-bit
(b)
16-bit
(a)
32-bit
(b)
64-bit
2.4.5
Which of the following defines the amount of memory that can be accessed:
(a)
Address bus
(b)
Control lines
(c)
Handshaking lines
(d)
Data bus
2.4.6
Which of the following defines the number of bits that can be transmitted at a
time:
(a)
Address bus
(b)
Control lines
(c)
Handshaking lines
(d)
Data bus
2.4.7
Which is the maximum data throughput for a 32-bit parallel data bus with a
clocked data rate of 10 MHz:
(a)
4 MB/s
(b)
40 MB/s
(c)
32 MB/s
(d)
320 MB/s
2.4.8
Which is the maximum data throughput for a serial bus which has a bit transmis-
sion time of 69.44 ms:
(a)
6944 bps
(b)
9600 bps
(c)
1440 bps
(d)
14 4 00 bps
2.4.9
How much memory can be accessed with a 20-bit address bus:
(a)
20 B
(b)
20 KB
(c)
1 MB
(d)
20 MB
2.4.10
How much memory can be accessed with a 32-bit address bus:
(a)
32 B
(b)
32 KB
(c)
1 GB
(d)
32 MB
2.4.11
Which interrupt does the primary serial port of a PC (COM1:) normally use:
(a)
IRQ0
(b)
IRQ3
