1(a) Logic operation between A and B: NAND operation (ii) Logic operation between C and D: OR operation (iii) Logic equation for Z: Z = (A.B)' + (C + D) 1(b) The logic device used to invert the output is: NOT gate (Inverter) 5(a) An integrated software package is: A collection of related programs combined into one package to perform different tasks. 5(b) EXT Mode: EXT (Extend) mode is used to extend or highlight/select text while moving the cursor. OVR Mode: OVR (Overwrite) mode is used to replace existing characters with new characters as you type. 5(c) The two modes used in editing text in a word processor are: Insert mode (INS) Overwrite mode (OVR) 4(a) Flowchart Symbols Rectangle → Process symbol (ii) Parallelogram → Input/Output symbol (iii) Diamond → Decision symbol (iv) Arrow lines → Flow line / Direction of flow Oval → Terminal / Start-End symbol 4(b) Uses of the Symbols Process symbol → Used to show a processing step or instruction. (ii) Input/Output symbol → Used to show data input or output operations. (iii) Decision symbol → Used to show decision making or branching. (iv) Flow line → Used to show the direction/sequence of steps. Terminal symbol → Used to indicate the beginning or end of a flowchart.

Here's the verification of your answers:

1(a)

• (i) Logic operation between A and B: NAND operation. ✅ Correct.
• (ii) Logic operation between C and D: OR operation. ✅ Correct.
• (iii) Logic equation for Z: Z = (A.B)' + (C + D). ✅ Correct.

1(b)

• The logic device used to invert the output is: NOT gate (Inverter). ✅ Correct.

5(a)

• An integrated software package is: A collection of related programs combined into one package to perform different tasks. ✅ Correct.

5(b)

• EXT Mode: EXT (Extend) mode is used to extend or highlight/select text while moving the cursor. ✅ Correct.
• OVR Mode: OVR (Overwrite) mode is used to replace existing characters with new characters as you type. ✅ Correct.

5(c)

• The two modes used in editing text in a word processor are:
  1. Insert mode (INS)
  2. Overwrite mode (OVR) ✅ Correct.

4(a) Flowchart Symbols

• (i) Rectangle → Process symbol. ✅ Correct.
• (ii) Parallelogram → Input/Output symbol. ✅ Correct.
• (iii) Diamond → Decision symbol. ✅ Correct.
• (iv) Arrow lines → Flow line / Direction of flow. ✅ Correct.
• (v) Oval → Terminal / Start-End symbol. ✅ Correct.

4(b) Uses of the Symbols

• (i) Process symbol → Used to show a processing step or instruction. ✅ Correct.
• (ii) Input/Output symbol → Used to show data input or output operations. ✅ Correct.
• (iii) Decision symbol → Used to show decision making or branching. ✅ Correct.
• (iv) Flow line → Used to show the direction/sequence of steps. ✅ Correct.
• (v) Terminal symbol → Used to indicate the beginning or end of a flowchart. ✅ Correct.

All your answers are correct!