CS609 Midterm Online Quiz

0%

CS609-Midterm

1 / 50

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

2 / 50

Keyboard Status Byte is located at the address

3 / 50

Control information in files is maintained using

4 / 50

DSR stands for __________ .

5 / 50

DTE is ____________.

6 / 50

An I/O device cannot be directly connected to the busses so controller is placed between CPU and I/O.

7 / 50

Communication between keyboard and keyboard controller is __________.

8 / 50

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

9 / 50

Timer interrupt is a _________.

10 / 50

PPI stands for

11 / 50

______ is used to set time.

12 / 50

Tail of keyboard should get to get the start of buffer.

13 / 50

Keyboard uses port ____ as status port.

14 / 50

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

15 / 50

Total No. of bytes that can be stored in Keyboard Buffer is____.

16 / 50

PPI is used to perform parallel communication

17 / 50

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

18 / 50

By cascading two DMAs ____ bits can be transferred.

19 / 50

Operating system name contains ____ bytes in boot block.

20 / 50

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

21 / 50

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

22 / 50

Software based flow control make use of -------- control characters

23 / 50

The ____________ function simply enables the self test facility within the modem control register

24 / 50

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

25 / 50

There are two main types of interrupts namely _________________.

26 / 50

The output on the monitor is controlled by a controller called __________within the PC.

27 / 50

If we use keep (0, 1000) in a TSR program, the memory allocated to it is

28 / 50

Register can be used to divide frequency is _________

29 / 50

NMI Stand for

30 / 50

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

31 / 50

------------ is used to read date from RTC

32 / 50

There are two main types of interrupts, namely

33 / 50

File system used in CD’s is_______ file system

34 / 50

Only ________ ports are important from programming point of view.

35 / 50

The ______ service # is not used in any interrupt.

36 / 50

The BIOS interrupt ________ can be used to configure RTC.

37 / 50

Hardware Interrupts are __________.

38 / 50

There are __________ kinds of serial communication.

39 / 50

If CPUID instruction is not present then the processor can be a

40 / 50

LPTs can be swapped.

41 / 50

Which port is known as Data Port______

42 / 50

DSR stands for __________ .

43 / 50

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

44 / 50

The service number is usually placed in the ________ register.

45 / 50

Hardware Interrupts are __________.

46 / 50

Int_____________ service 0 can be used to set the line parameter of the UART or COM port.

47 / 50

The keyboard input character scan code is received at ___ port.

48 / 50

Display device (Monitor) performs _________ I/O.

49 / 50

_______ is LED control byte.

50 / 50

Usually interrupt procedures are reentrant procedures especially those interrupt procedure compiled using C language compiler are reentrant.

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