CS609 Midterm Online Quiz

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CS609-Midterm

1 / 50

BIOS support _____________UARTS as COM ports.

2 / 50

REGS is a Union

3 / 50

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

4 / 50

The bit number _______ of the coprocessor control word is the interrupt enable flag.

5 / 50

The bit ______ of Line control register in UART, if cleared will indicate that DLL is the data register.

6 / 50

DTE is ____________.

7 / 50

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

8 / 50

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

9 / 50

Interrupt service number is usually placed in ____________ register.

10 / 50

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

11 / 50

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

12 / 50

There are __________ kinds of serial communication.

13 / 50

By cascading two DMAs ____ bits can be transferred.

14 / 50

There are two type of communication synchronous and Anti Synchronous

15 / 50

If keyboard buffer is empty the head and tail points at the same location.

16 / 50

Command register is an _____ bit register

17 / 50

Timer interrupt is a _________.

18 / 50

The ______ service # is not used in any interrupt.

19 / 50

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

20 / 50

________means typematic rate will be sent in next byte.

21 / 50

LPTs can be swapped.

22 / 50

PPI stands for _____________.

23 / 50

DTE is ____________.

24 / 50

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

25 / 50

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

26 / 50

____whenever received indicates the start of communication and ______ whenever received indicates a temporary pause in the communication.

27 / 50

At IRQ 7 Interrupt # ___ is used.

28 / 50

Timer interrupt occurs _______ times every second by means of hardware.

29 / 50

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

30 / 50

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

31 / 50

DCE is _____________

32 / 50

Interrupt ______ is used to get or set the time.

33 / 50

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

34 / 50

PPI interconnection _______ bits is cleared to indicate low nibble is being sent.

35 / 50

A single interrupt controller can arbitrate among ____ different devices.

36 / 50

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

37 / 50

Interrupt 9 usually reads the _________ from keyboard.

38 / 50

A software interrupt does not require EOI (End of interrupt).

39 / 50

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

40 / 50

The microprocessor package has many signals for data. Below are some in Correct priority order (Higher to Lower).

41 / 50

Communication between keyboard and keyboard controller is __________.

42 / 50

By cascading two DMAs ____ bits can be transferred.

43 / 50

If printer is _____ then printer sends back the ACK signal to the printer interface

44 / 50

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

45 / 50

Maximum number of interrupts in a standard PC is

46 / 50

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

47 / 50

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

48 / 50

Keyboard uses port ____ as status port.

49 / 50

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

50 / 50

The service number is usually placed in the ________ register.

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