CS609-Midterm
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------------ is used to read date from RTC
2 / 50
The microprocessor package has many signals for data. Below are some in Correct priority order (Higher to Lower).
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Int 14H __________ can be used to receive a byte.
4 / 50
Standard PC operates in two modes in terms of memory which are
5 / 50
PPI stands for
6 / 50
Int 14H____________ can be used to send a byte
7 / 50
To store each character in keyboard buffer ____ bytes are required.
8 / 50
Int 14H______ can be used to set the line parameter of the UART or COM port
9 / 50
NMI Stand for
10 / 50
Following is not a method of I/O
11 / 50
Each paragraph in keep function is ____ bytes in size.
12 / 50
To set the interrupt vector means is to change the double word sized interrupt vector within the IVT.
13 / 50
Operating system name contains ____ bytes in boot block.
14 / 50
Int 14H __________ can be used to set the line parameter of the UART or COM port.
15 / 50
What will be the value of DL register when we are accessing C drive using undocumented service 21H/32H?
16 / 50
17 / 50
In ____________each byte is needed to be encapsulated in start and end.
18 / 50
File system used in CD’s is_______ file system
19 / 50
Maximum number of interrupts in a standard PC is
20 / 50
Int ________ is used to control the printer via the BIOS.
21 / 50
BIOS support _____________UARTS as COM ports.
22 / 50
Display device (Monitor) performs _________ I/O.
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_______ is LED control byte.
24 / 50
Bit number _______ of coprocessor control word is the Interrupt Enable Flag.
25 / 50
In order to produce the sound from PC internal Speaker we have to load the___bit divisor value at the ___port.
26 / 50
In case of synchronous communication a timing signal is required to identify the start and end of a bit.
27 / 50
Hardware Interrupts are __________.
28 / 50
The output on the monitor is controlled by a controller called __________within the PC.
29 / 50
________means typematic rate will be sent in next byte.
30 / 50
In counter register bit no. 3 changes its value between 0 and 1 with in ____clock cycles
31 / 50
Timer interrupt occurs _______ times every second by means of hardware.
32 / 50
DTE is ____________.
33 / 50
Control information in files is maintained using
34 / 50
PPI interconnection _______ bits is cleared to indicate low nibble is being sent.
35 / 50
Counter register can be used to divide clock signal.
36 / 50
_________ used to determine the amount of conventional memory interfaced with the processor in kilobytes.
37 / 50
At IRQ 7 Interrupt # ___ is used.
38 / 50
Only ________ ports are important from programming point of view.
39 / 50
On the execution of IRET instruction, number of bytes popped from stack is
40 / 50
DSR stands for __________ .
41 / 50
The following command “outportb (0x61,inportb(0x61) & 0xFC);” will
42 / 50
------------ is used to read time from RTC
43 / 50
If we want to produce the grave voice from speaker phone then we have to load the ____ divisor values at Port ____.
44 / 50
Communication between keyboard and keyboard controller is __________.
45 / 50
------------ whenever receive indicates the start of communication ……….. whenever receive indicates the end of communication
46 / 50
The BIOS interrupt ________ can be used to configure RTC.
47 / 50
PPI stands for _____________.
48 / 50
Total No. of bytes that can be stored in Keyboard Buffer is____.
49 / 50
DMA stands for_________
50 / 50
_____ bit is cleared to indicate the low nibble is being sent.
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