Basic Microprocessor Architecture MCQs – CHAPTER 1 DAE 15 min Score: 0 Attempted: 0/15 Subscribe 1. Which processor is a 4-bit processor? (A) 4004 (B) 8008 (C) 8080 (D) 8085Show All Answers 2. The size of instruction queue in 8086-microprocessor is; (A) 3 bytes (B) 4 bytes (C) 6 bytes (D) 8 bytesShow All Answers 3. If sign flag is set, then result of ALU operation is; (A) Positive (B) Negative (C) Zero (D) None of theseShow All Answers 4. Stack Pointer stores the offset address of; (A) Code Segment (B) Data Segment (C) Stack Segment (D) Extra SegmentShow All Answers 5. If CS = 0200H and IP = 1234H, then physical address will be; (A) 02000H (B) 01234H (C) 03234H (D) 02343HShow All Answers 6. Which is not a part of execution unit? (A) General registers (B) ALU (C) Flag register (D) Instruction PointerShow All Answers 7. BIU stands for; (A) Bus Interrupt Unit (B) Buffer Interface Unit (C) Bus Interface Unit (D) None of theseShow All Answers 8. Flag which controls the single step mode of 8086-microprocessor is; (A) Trap Flag (B) Interrupt Flag (C) Direction Flag (D) Sign FlagShow All Answers 9. Which of the following is a correct physical address formation technique? (A) CS:DS (B) AX:BX (C) IP:AX (D) CS:IPShow All Answers 10. 8086 microprocessor can address memory; (A) 1 MB (B) 2 MB (C) 4 MB (D) 8 MBShow All Answers 11. Offset address of Code segment is stored in; (A) SI (B) BP (C) SP (D) IPShow All Answers 12. Flag register of 8086 microprocessor consists of; (A) 5 Flags (B) 7 Flags (C) 9 Flags (D) 11 FlagsShow All Answers 13. IO/M̅ signal is a part of; (A) Data Bus (B) Address Bus (C) Control Bus (D) None of theseShow All Answers 14. Flash memory is a type of; (A) DRAM (B) UVPROM (C) SRAM (D) EEPROMShow All Answers 15. Trap Flag is a type of flag; (A) Base (B) Control (C) Conditional (D) OffsetShow All Answers
