CS609-Midterm
1 / 50
________ is a device incorporated into the PC to update time even if the computer is off.
2 / 50
Interrupt Vector Table (IVT) in short is a _______ bytes sized table.
3 / 50
NMI Stand for
4 / 50
PPI stands for _____________.
5 / 50
To distinguish 486 with Pentium CPUID Test is used.
6 / 50
Only ________ ports are important from programming point of view.
7 / 50
Int ________ is used to control the printer via the BIOS.
8 / 50
LPTs can be swapped.
9 / 50
___________ is used to identify cause of interrupt.
10 / 50
Software based flow control make use of -------- control characters
11 / 50
By cascading two DMAs ____ bits can be transferred.
12 / 50
The Function of I/O controller is to provide ____________.
13 / 50
The microprocessor package has many signals for data. Below are some in Correct priority order (Higher to Lower).
14 / 50
Maximum number of interrupts in a standard PC is
15 / 50
Register can be used to divide frequency is _________
16 / 50
The BIOS interrupt 0x1AH can be used to configure real time clock
17 / 50
File system used in CD’s is_______ file system
18 / 50
The keyboard makes use of interrupt number _______ for its input operations.
19 / 50
UART stands for_______
20 / 50
The amount of memory above conventional memory (extended memory) can be determined using the service _______.
21 / 50
DCE is _____________
22 / 50
The ____________ function simply enables the self test facility within the modem control register
23 / 50
______ is Disk interrupt.
24 / 50
DSR stands for __________ .
25 / 50
Standard PC operates in two modes in terms of memory which are
26 / 50
Timer interrupt is a _________.
27 / 50
The PPI acts as an interface between the CPU and a parallel ________ .
28 / 50
BPB stands for _________.
29 / 50
Int 14H __________ can be used to receive a byte.
30 / 50
Interrupt ______ is used to get or set the time.
31 / 50
The ______ service # is not used in any interrupt.
32 / 50
____whenever received indicates the start of communication and ______ whenever received indicates a temporary pause in the communication.
33 / 50
_________ is used to identify the cause of interrupt.
34 / 50
BIOS DO NOT support ______.
35 / 50
Control information in files is maintained using
36 / 50
If CPUID instruction is not present then the processor can be a
37 / 50
------------ is used to set time from RTC
38 / 50
The -------- function receive a byte and COM port number is passed as parameter using BIOS service
39 / 50
PPI interconnection _______ bits is cleared to indicate low nibble is being sent.
40 / 50
If we want to produce the grave voice from speaker phone then we have to load the ____ divisor values at Port ____.
41 / 50
42 / 50
The output on the monitor is controlled by a controller called __________within the PC.
43 / 50
To access the block within cluster using BIOS services the cluster number should be converted into _____.
44 / 50
Counter register can be used to divide clock signal.
45 / 50
Set the Interrupt vector means to change the double word sized interrupt vector within IVT.
46 / 50
The interval timer can operate in _______ modes.
47 / 50
48 / 50
Standard PC can have _____ PPI.
49 / 50
The BIOS interrupt ________ can be used to configure RTC.
50 / 50
_________ used to determine the amount of conventional memory interfaced with the processor in kilobytes.
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