2.0 COMPUTER SYSTEMS (2.1 System Concept)2.1.4 Data Measurement

List down six type of unit data measurement :1.2.3.4.5.6.

Change the data given below into Kilobyte (KB). :Show your calculation.1. 7168 Byte (byte)= = ____________________2. 5 Megabyte (MB)== ____________________ 3. 3 Gigabyte (GB)== ____________________

Change the data given below into Megabyte (MB) :Show your calculation.1. 3072 Kilobyte (KB) == ____________________ 2. 4 Gigabyte (GB) == ____________________ 3. 1 Terabyte (TB)== ____________________

Answer Schema2.1.4 Data MeasurementList down six type of unit data measurement :(UNDERSTANDING : CONCEPT)1. Bit2. Byte 3. Kilobyte (KB)4. Megabyte (MB)5. Gigabyte (GB)6. Terabyte (TB)

Change the data given below into Kilobyte (KB) : (APPLYING : FACT)Show your calculation.1. 7168 Byte (byte)= 7,168 / 1024 = 7 KB2. 5 Megabyte (MB)= 5 x 1024 = 5,120 KB3. 3 Gigabyte (GB)= 3 x 1024 x 1024 = 3,145,728 KBChange the data given below into Megabyte (MB) : (APPLYING : FACT)Show your calculation.1. 3072 Kilobyte (KB) = 3,072 / 1024= 3 MB2. 4 Gigabyte (GB) = 4 x 1024= 4,096 MB3. 1 Terabyte (TB)= 1 x 1024 x 1024= 1,048,576 MB

2.0 COMPUTER SYSTEMS (2.1 System Concept)2.1.5 Clock Speed Measurement

1. What is the function of system clock?_________________________________________________

2. Write down the formula to calculate the clock speed.

3. List down two type of units of clock speed measurement.i.ii.

4. What is the major factor that that influenced a computer speed?_________________________________________________

5. Based on the picture above, which microprocessor is faster?_________________________________________________

Answer Schema2.1.5 Clock Speed Measurement1. What is the function of system clock?(UNDERSTANDING : CONCEPT)To controls the speed of all operations within a computer.

2. Write down the formula to calculate the clock speed.(UNDERSTANDING : FACT)

3. List down two type of units of clock speed measurement.(UNDERSTANDING : CONCEPT)i. Megahertz (MHz)ii. Gigahertz (GHz)

4. What is the major factor that that influenced a computer speed? (UNDERSTANDING : CONCEPT)The system clock

5.(UNDERSTANDING : CONCEPT) Based on the picture above, which microprocessor is faster?Pentium 4 running at 2.4 GHz

2.0 COMPUTER SYSTEMS (2.2 Hardware)2.2.1 Input Devices

1. What is input?_________________________________________________

2. Write the definition of input device._________________________________________________

3. Write the input type for each of the following input devices.a) ___________________b)___________________c)___________________d)___________________

Answer Schema2.2.1 Input Devices

1. What is input?(UNDERSTANDING : CONCEPT)Any data or instruction entered into the memory of a computer

2. Write the definition of input device.(UNDERSTANDING : CONCEPT)Any electronic device connected to a computer and produces input signals

3. Write the input type for each of the following input devices. (UNDERSTANDING : CONCEPT)a) Textb)Videoc)Audiod)Graphics