Instruction Set of the Basic Computer Description AND M to AC Symbol Hex code AND 0 or 8 ADD 1 or 9 Add M to AC, carry to E LDA 2 or A STA 3 or B BUN 4 or C BSA 5 or D ISZ 6 or E CLA 7800 CLE 7400 CMA 7200 CME 7100 CIR 7080 CIL 7040 INC 7020 Load AC from M Store AC in M Branch unconditionally to m Save return address in m and branch to m+1 Increment M and skip if zero Clear AC Clear E Complement AC Complement E Circulate right E and AC Circulate left E and AC Increment AC, carry to E SPA 7010 Skip if AC is positive SNA 7008 Skip if AC is negative SZA 7004 Skip if AC is zero SZE 7002 Skip if E is zero HLT 7001 INP F800 OUT F400 SKI F200 Halt computer Input information and clear flag Output information and clear flag Skip if input flag is on SKO F100 Skip if output flag is on ION F080 Turn interrupt on IOF F040 Turn interrupt off 3

Instruction Set of the Basic Computer Description AND M to AC Symbol Hex code AND 0 or 8 ADD 1 or 9 Add M to AC, carry to E LDA 2 or A STA 3 or B BUN 4 or C BSA 5 or D ISZ 6 or E CLA 7800 CLE 7400 CMA 7200 CME 7100 CIR 7080 CIL 7040 INC 7020 Load AC from M Store AC in M Branch unconditionally to m Save return address in m and branch to m+1 Increment M and skip if zero Clear AC Clear E Complement AC Complement E Circulate right E and AC Circulate left E and AC Increment AC, carry to E SPA 7010 Skip if AC is positive SNA 7008 Skip if AC is negative SZA 7004 Skip if AC is zero SZE 7002 Skip if E is zero HLT 7001 INP F800 OUT F400 SKI F200 Halt computer Input information and clear flag Output information and clear flag Skip if input flag is on SKO F100 Skip if output flag is on ION F080 Turn interrupt on IOF F040 Turn interrupt off 3

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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