CS609 Midterm Online Quiz

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CS609-Midterm

1 / 50

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

2 / 50

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

3 / 50

DCE is _____________

4 / 50

To distinguish 486 with Pentium CPUID Test is used.

5 / 50

Int 14H __________ can be used to set the line parameter of the UART or COM port.

6 / 50

Int 14H __________ can be used to set the line parameter of the UART or COM port.

7 / 50

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

8 / 50

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

9 / 50

________ is a device incorporated into the PC to update time even if the computer is off.

10 / 50

Which of the following are types of ISR __________.

11 / 50

If we want to produce the grave voice from speaker phone then we have to load the ____ divisor values at Port ____.

12 / 50

There are __________ kinds of serial communication.

13 / 50

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

14 / 50

A single interrupt controller can arbitrate among ____ different devices.

15 / 50

Hardware Interrupts are __________.

16 / 50

The -------- function receive a byte and COM port number is passed as parameter using BIOS service

17 / 50

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

18 / 50

The service number is usually placed in the ________ register.

19 / 50

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

20 / 50

Interrupt Vector Table (IVT) in short is a _______ bytes sized table.

21 / 50

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

22 / 50

Register can be used to divide frequency is _________

23 / 50

------------ whenever receive indicates the start of communication ……….. whenever receive indicates the end of communication

24 / 50

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

25 / 50

Int 14H____________ can be used to send a byte

26 / 50

_________ used to determine the amount of conventional memory interfaced with the processor in kilobytes.

27 / 50

The following command “outportb (0x61,inportb(0x61) | 3);” will ________ .

28 / 50

At IRQ 7 Interrupt # ___ is used.

29 / 50

Which port is known as Data Port______

30 / 50

The BIOS interrupt ________ can be used to configure RTC.

31 / 50

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

32 / 50

Communication between keyboard and keyboard controller is __________.

33 / 50

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

34 / 50

DMA stands for_________

35 / 50

File system used in CD’s is_______ file system

36 / 50

The service _________ is called the keyboard hook service.

37 / 50

Keyboard uses port ____ as status port.

38 / 50

Standard PC can have _____ PPI.

39 / 50

File system used in CD’s is_______ file system

40 / 50

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

41 / 50

The interval timer can operate in ____modes.

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

________means typematic rate will be sent in next byte.

46 / 50

There are two main types of interrupts namely _________________.

47 / 50

______ is Disk interrupt.

48 / 50

___________ is used to identify cause of interrupt.

49 / 50

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

50 / 50

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

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