0% 0 CS401 Final Term Quiz 3 1 / 25 Priority of IRQ 0 interrupt is low high medium highest 2 / 25 Programmable interrupt controller has two ports 20 and 21. Port 20 is the control port while port 21 is........... Input port The Interrupt mask register Output port Interrupt port 3 / 25 Motorola 68K processors have....................... 23bit general purpose registers. 4 8 32 16 4 / 25 MS DOS uses ____ display mode. Character based Console based Numeric based Graphics based 5 / 25 Programmable Interrupt Controller (PIC) has One input signals and eight output signals One input signal and one output signal Eight input signals and eight output signals10 Eight input signals and one output signals 6 / 25 Peripheral address space is selected when which of the following instructions is given to the processor? Add MOV Out IN 7 / 25 The 8088 stack works on Double sized element Byte sized elements Nible sized element Word sized elements 8 / 25 The source registers in OUT is BL or BX AL or AX CL or CX DL or DX 9 / 25 The number of bits required to access 1MB of memory are 32 bits Depends on the processor architecture 16 bits 20 bits 10 / 25 SP is associated with????. By default ES SS CS DS 11 / 25 The instruction used to read a character from the keyboard port is in al, 0x60 out al, 0x60 out al, 0x80 in al, 0x80 12 / 25 The physical address of the stack is obtained by SS:SP combination ES:SP combination6 ES:BP combination SS:SI combination 13 / 25 PCB stands for? Process Clearing Block Process Control Block Programs Control Block Programmable Counter Block 14 / 25 move [bp], al moves the one byte content of the AL register to the address contained in BP register in the current Data segment Code segment Stack segment Extra segment 15 / 25 The number of pins in a parallel port connector are? 35 30 25 20 16 / 25 Single step interrupt is Hardware interrupt Like divide by 1 interrupt Software interrupt Like divide by zero interrupt 17 / 25 The programmable interval timer (PIT) has input frequency of 1.193MHZ 3.196MHZ 2.192MHZ 4.198MHZ 18 / 25 The interrupt mask register which can be used for selectively enabling or disabling interrupts is associated with Port 20 Port 22 Port 19 Port 21 19 / 25 RETF will pop the segment address in the SS register CS register DS register ES register 20 / 25 The input frequency of the programmable interval timer (PIT) is Fixed Variable Depends on hardware attached Depends on processor clock 21 / 25 The parallel port connector is called? BD-24 DB-24 DB-25 BD-25 22 / 25 Sun SPARC Processor has a fixed ______________ instruction size. 16bit 20bit 32bit 64bit 23 / 25 The physical address of IDT( Interrupt Descriptor Table) is stored in _______ IVT IDTT3 GDTR IDTR 24 / 25 Suppose AL contains 5 decimal then after two left shifts produces the value as 5 15 10 20 25 / 25 The serial port connection is a ------------------ connector 3pin DB 9 9pin DB 9 9pin DB 57 8pin DB 9 Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevCS401 Final Term Quiz 2 CS401 Final Term Quiz 4Next
