L47E

L47A

L46E

L46A

L45E

L45A

L42E

ANSWER:

1. C
2. A
3. B
4. B
5. B
6. C
7. A
8. A
9. C
10. B

L42A

ANSWER:
activity 1

1. pendrive
2. CD & DVD
3. floppy disk
4. hard disk
5. video cassette

activity 2

1. flash memory
2. magnetic medium
3. optical medium
4. CD-R

L41E

ANSWER:

1. B
2. A
3. B
4. B
5. A
6. A
7. B
8. B
9. A
10. A

L41A

ANSWER:
activity 1

1. RAM
2. ROM
3. RAM
4. ROM
5. RAM & ROM

activity 2

1. VOLATILE
2. TEMPORARY
3. FAST
4. NON-VOLATILE
5. PERMANENT
6. PRIMARY STORAGE
7. COMPULSARY
8. RANDOM-ACCESS MEMORY
9. READ AND WRITE

L40E

 answer:

1. A
2. A
3. B
4. A
5. B
6. B
7. B
8. A
9. A
10. A
11. B
12. A

L40A

answer:

activity 1

1. true
2. true
3. false
4. .
5. false
6. false

L33E

answer:

1. true
2. false
3. true
4. true
5. true
6. true
7. 200 000 000
8. 16
9. hertz
10. gigahertz
11. one cycle per second
12. B
13. C
14. A
15. C

L33A

answer:

 activity 1

1. true
2. false
3. true
4. false
5. true
6. false

activity 2

1. megahertz
2. gigahertz
3. hertz
4. clock speed
5. microprocessor
6. hertz = Hz

L32E

answers:

1. false
2. true
3. true
4. true
5. true
6. C
7. A
8. binary
9. 2(20) bytes
10. GB (gigabytes)

L32A

answer:

activity 1

1 MB -1.0 x 2(20) bytes
1 TB -1.0 x 2(40) bytes
1 GB -1.0 x 2(30) bytes
1 KB -1.0 x 2(10) bytes

activity 2

1- 8 bit

2- 1.44 bit

3- 4.109 bit

L31E

answer:

1.True
2.False
3.True
4.False
5.True
6.A
7.A

8.
9.B
10.A

L31A

L31A

1. A
2. A
3. B
4. B
5. B
6. A
7. B
8. B
9. A
10. B

L30E

L30E

1. true
2. true
3. false
4. true
5. D
6. D
7. B
8. D
9. C
10. D

L30A

L30A

1. on and off
2. binary system
3. analog
4. electronic charge
5. 1 byte
6. binary digit
7. 00111001
8. character
9. true
10. true
11. American Standard Code for Information Interchange
12. Extended Binary Coded Decimal Interchange Code

L29E

L29E

1. true
2. true
3. true
4. true
5. D
6. B
7. B
8. C
9. A
10. B

L29A

 

L29A 

activity 1

1. true
2. true
3. true
4. false
5. true
6. false
7. true
8. true
9. true
10. false

activity 2

1. input
2. processor
3. output
4. storage

    A. information
    B. data

ASCII