CS609 Midterm Online Quiz

0%

CS609-Midterm

1 / 50

At IRQ 7 Interrupt # ___ is used.

2 / 50

Interrupt ______ is used to get or set the time.

3 / 50

_____ bit is cleared to indicate the low nibble is being sent.

4 / 50

UART stands for_______

5 / 50

Following is not a method of I/O

6 / 50

File can be______ viewed as collection of clusters or blocks.

7 / 50

Interrupt 9 usually reads the _________ from keyboard.

8 / 50

__________is used to control the printer via the BIOS

9 / 50

The keyboard makes use of interrupt number _______ for its input operations.

10 / 50

The ________function initialize the COM port whose number is passed as parameter using BIOS services.

11 / 50

Display device (Monitor) performs _________ I/O.

12 / 50

Hardware Interrupts are __________.

13 / 50

_____ bit is cleared to indicate the low nibble is being sent.

14 / 50

IVT is a table containing ______ byte entries each of which is a far address of an interrupt service routine.

15 / 50

BIOS support _____________UARTS as COM ports.

16 / 50

In self test mode the output of the UART is routed to its input.

17 / 50

Interrupt service number is usually placed in ____________ register.

18 / 50

The BIOS interrupt ________ can be used to configure RTC.

19 / 50

Int 14H______ can be used to set the line parameter of the UART or COM port

20 / 50

To access the block within cluster using BIOS services the cluster number should be converted into _____.

21 / 50

The amount of memory above conventional memory (extended memory) can be determined using the service _______.

22 / 50

------------ is used to set time from RTC

23 / 50

________means typematic rate will be sent in next byte.

24 / 50

In ____________each byte is needed to be encapsulated in start and end.

25 / 50

The interval timer can operate in ____modes.

26 / 50

Only ________ ports are important from programming point of view.

27 / 50

______ is used to set time.

28 / 50

To store each character in keyboard buffer ____ bytes are required.

29 / 50

DSR stands for __________ .

30 / 50

In self test mode the output of the UART is routed to its input.

31 / 50

A single interrupt controller can arbitrate among ____ different devices.

32 / 50

The interval timer can operate in ____modes.

33 / 50

Maximum number of interrupts in a standard PC is

34 / 50

Timer interrupt is a _________.

35 / 50

The interval timer can operate in _______ modes.

36 / 50

Each paragraph in keep function is ____ bytes in size.

37 / 50

In case of synchronous communication a timing signal is required to identify the start and end of a bit.

38 / 50

There are two type of communication synchronous and Anti Synchronous

39 / 50

DSR stands for __________ .

40 / 50

File system used in CD’s is_______ file system

41 / 50

Bit number _______ of coprocessor control word is the Interrupt Enable Flag.

42 / 50

The________ function uses the COM port number to receive a byte from the COM port using BIOS services.

43 / 50

Counter register can be used to divide clock signal.

44 / 50

To set the interrupt vector means is to change the double word sized interrupt vector within the IVT.

45 / 50

File system used in CD’s is_______ file system

46 / 50

PPI is used to perform parallel communication

47 / 50

In order to produce the sound from PC internal Speaker we have to load the___bit divisor value at the ___port.

48 / 50

In keyboard status byte bit no. 2 and 3 are used for ctrl and alt keys respectively. which of the following condition is used to check that Ctrl + Alt keys are pressed. Where: unsigned char far * scr = (unsigned char far *)(0x00400017);

49 / 50

The keyboard makes use of interrupt number _______ for its input operations.

50 / 50

The Function of I/O controller is to provide ____________.

Your score is

The average score is 0%

0%

Qunoot e Nazilah
Dua e Hajat
4 Qul
6 Kalma
Dua-e-Akasha
Darood Akbar
Surah Fatiha
Dua-e-Ganj Ul Arsh
Dua-e-Jamilah
Ayat-ul-Kursi