CS609-Midterm
1 / 50
Maximum number of interrupts in a standard PC is
2 / 50
File system used in CD’s is_______ file system
3 / 50
BIOS support _____________UARTS as COM ports.
4 / 50
_________ used to determine the amount of conventional memory interfaced with the processor in kilobytes.
5 / 50
BPB stands for _________.
6 / 50
------------ is used to read time from RTC
7 / 50
The ______ service # is not used in any interrupt.
8 / 50
PPI stands for
9 / 50
______ is used to set time.
10 / 50
If we use keep (0, 1000) in a TSR program, the memory allocated to it is
11 / 50
Interrupt Vector Table (IVT) in short is a _______ bytes sized table.
12 / 50
Total No. of bytes that can be stored in Keyboard Buffer is____.
13 / 50
By cascading two DMAs ____ bits can be transferred.
14 / 50
The Function of I/O controller is to provide ____________.
15 / 50
An I/O device cannot be directly connected to the busses so controller is placed between CPU and I/O.
16 / 50
NMI Stand for
17 / 50
A software interrupt does not require EOI (End of interrupt).
18 / 50
Standard PC can have _____ PPI.
19 / 50
The output on the monitor is controlled by a controller called __________within the PC.
20 / 50
______ is Disk interrupt.
21 / 50
Communication between keyboard and keyboard controller is __________.
22 / 50
___________ is used to identify cause of interrupt.
23 / 50
The ____________ function simply enables the self test facility within the modem control register
24 / 50
PPI stands for _____________.
25 / 50
DTE is ____________.
26 / 50
Int ________ is used to control the printer via the BIOS.
27 / 50
Interrupt _____ is empty; we can use its vector as a flag.
28 / 50
The keyboard makes use of interrupt number _______ for its input operations.
29 / 50
In self test mode the output of the UART is routed to its input
30 / 50
If keyboard buffer is empty the head and tail points at the same location.
31 / 50
32 / 50
DTE is ___________
33 / 50
The________ function uses the COM port number to receive a byte from the COM port using BIOS services.
34 / 50
On the execution of IRET instruction, number of bytes popped from stack is
35 / 50
The BIOS interrupt ________ can be used to configure RTC.
36 / 50
To access the block within cluster using BIOS services the cluster number should be converted into _____.
37 / 50
To distinguish 486 with Pentium CPUID Test is used.
38 / 50
In order to produce the sound from PC internal Speaker we have to load the___bit divisor value at the ___port.
39 / 50
Interrupt service number is usually placed in ____________ register.
40 / 50
The -------- function receive a byte and COM port number is passed as parameter using BIOS service
41 / 50
There are two main types of interrupts namely _________________.
42 / 50
The amount of memory above conventional memory (extended memory) can be determined using the service _______.
43 / 50
------------ is used to set time from RTC
44 / 50
To store each character in keyboard buffer ____ bytes are required.
45 / 50
________means typematic rate will be sent in next byte.
46 / 50
DCE stands for __________.
47 / 50
The bit ______ of Line control register in UART, if cleared will indicate that DLL is the data register.
48 / 50
Int 14H __________ can be used to set the line parameter of the UART or COM port.
49 / 50
The interval timer can operate in ____modes.
50 / 50
Following is not a method of I/O
Your score is
The average score is 0%
Restart quiz
