CS609 Midterm Online Quiz

0%

CS609-Midterm

1 / 50

The PPI acts as an interface between the CPU and a parallel ________ .

2 / 50

What will be the value of DL register when we are accessing C drive using undocumented service 21H/32H?

3 / 50

Standard PC can have _____ PPI.

4 / 50

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

5 / 50

Int 14H __________ can be used to receive a byte.

6 / 50

To distinguish 486 with Pentium CPUID Test is used.

7 / 50

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

8 / 50

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

9 / 50

File system used in CD’s is_______ file system

10 / 50

DSR stands for __________ .

11 / 50

____ No. of bytes are used to store the character in the keyboard buffer.

12 / 50

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

13 / 50

Keyboard Status Byte is located at the address

14 / 50

BPB stands for _________.

15 / 50

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

16 / 50

Which port is known as Data Port______

17 / 50

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

18 / 50

Communication between keyboard and keyboard controller is __________.

19 / 50

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

20 / 50

Interrupt _____ is empty; we can use its vector as a flag.

21 / 50

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

22 / 50

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

23 / 50

By cascading two DMAs ____ bits can be transferred.

24 / 50

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

25 / 50

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

26 / 50

Only ________ ports are important from programming point of view.

27 / 50

The BIOS interrupt 0x1AH can be used to configure real time clock

28 / 50

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

29 / 50

Keyboard uses port ____ as status port.

30 / 50

PPI stands for

31 / 50

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

32 / 50

File system used in CD’s is_______ file system

33 / 50

The interval timer can operate in ____modes.

34 / 50

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

35 / 50

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

36 / 50

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

37 / 50

REGS is a Union

38 / 50

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

39 / 50

The BIOS interrupt ________ can be used to configure RTC.

40 / 50

Maximum number of interrupts in a standard PC is

41 / 50

__________is used to control the printer via the BIOS

42 / 50

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

43 / 50

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

44 / 50

PPI is used to perform parallel communication

45 / 50

By cascading two DMAs ____ bits can be transferred.

46 / 50

There are two main types of interrupts, namely

47 / 50

In counter register bit no. 3 changes its value between 0 and 1 with in ____clock cycles

48 / 50

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

49 / 50

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

50 / 50

LPTs can be swapped.

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