1. Which processor is a 4-bit processor?
(A) 4004
(B) 8008
(C) 8080
(D) 8085
2. The size of instruction queue in 8086-microprocessor is;
(A) 3 bytes
(B) 4 bytes
(C) 6 bytes
(D) 8 bytes
3. If sign flag is set, then result of ALU operation is;
(A) Positive
(B) Negative
(C) Zero
(D) None of these
4. Stack Pointer stores the offset address of;
(A) Code Segment
(B) Data Segment
(C) Stack Segment
(D) Extra Segment
5. If CS = 0200H and IP = 1234H, then physical address will be;
(A) 02000H
(B) 01234H
(C) 03234H
(D) 02343H
6. Which is not a part of execution unit?
(A) General registers
(B) ALU
(C) Flag register
(D) Instruction Pointer
7. BIU stands for;
(A) Bus Interrupt Unit
(B) Buffer Interface Unit
(C) Bus Interface Unit
(D) None of these
8. Flag which controls the single step mode of 8086-microprocessor is;
(A) Trap Flag
(B) Interrupt Flag
(C) Direction Flag
(D) Sign Flag
9. Which of the following is a correct physical address formation technique?
(A) CS:DS
(B) AX:BX
(C) IP:AX
(D) CS:IP
10. 8086 microprocessor can address memory;
(A) 1 MB
(B) 2 MB
(C) 4 MB
(D) 8 MB
11. Offset address of Code segment is stored in;
(A) SI
(B) BP
(C) SP
(D) IP
12. Flag register of 8086 microprocessor consists of;
(A) 5 Flags
(B) 7 Flags
(C) 9 Flags
(D) 11 Flags
13. IO/MĖ signal is a part of;
(A) Data Bus
(B) Address Bus
(C) Control Bus
(D) None of these
14. Flash memory is a type of;
(A) DRAM
(B) UVPROM
(C) SRAM
(D) EEPROM
15. Trap Flag is a type of flag;
(A) Base
(B) Control
(C) Conditional
(D) Offset