Basic Microprocessor Architecture MCQs – CHAPTER 1 DAE 15 min Score: 0 Attempted: 0/15 Subscribe 1. Which processor is a 4-bit processor? (A) 8080 (B) 8008 (C) 4004 (D) 8085Show All Answers 2. The size of instruction queue in 8086-microprocessor is; (A) 6 bytes (B) 4 bytes (C) 3 bytes (D) 8 bytesShow All Answers 3. If sign flag is set, then result of ALU operation is; (A) Zero (B) Positive (C) Negative (D) None of theseShow All Answers 4. Stack Pointer stores the offset address of; (A) Stack Segment (B) Data Segment (C) Code 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) Instruction Pointer (D) Flag registerShow All Answers 7. BIU stands for; (A) Bus Interrupt Unit (B) Bus Interface Unit (C) Buffer 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) CS:IP (D) IP:AXShow All Answers 10. 8086 microprocessor can address memory; (A) 8 MB (B) 2 MB (C) 4 MB (D) 1 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) Control Bus (C) Address 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) Offset (C) Control (D) ConditionalShow All Answers
