1. responsible for interpreting and executing most of the commands from the computer's hardware and software.

2. performs arithmetic and logical operations.

3. a sub-unit of CPU that controls and directs the flow of information throughout the computer system.

4. Serves as a single platform to connect all of the parts of a computer together.

5. is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

210. A hard disk drive (HDD) is

1. responsible for interpreting and executing most of the commands from the computer's hardware and software.

2. performs arithmetic and logical operations.

3. a sub-unit of CPU that controls and directs the flow of information throughout the computer system.

4. serves as a single platform to connect all of the parts of a computer together.

5. is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

210. A key that is used to remove a letter/space which is behind the cursor on the screen, is called the

1. Backspace Key

2. Delete Key

3. Caps Lock Key

4. Shift Key

5. Control Key

210. A key that is used to remove a letter/space which is in front of the cursor on the screen, is called the

1. Backspace Key

2. Delete Key

3. Caps Lock Key

4. Shift Key

5. Control Key

210. The long key on a keyboard which is used when you want to separate one word from another when writing, is called the

1. Backspace Key

2. Delete Key

3. Space Bar

4. Shift Key

5. Control Key

Operating system

210. An operating system (OS) is

1. a software program that manages the hardware and software resources of a computer.

2. a set of methods of interaction of a computer program and the user of this program.

3. a set of methods for communication between programs.

4. a way of interaction of physical devices.

5. a set of instructions, stored digitally within the computer's memory

210. User interface

1. a software program that manages the hardware and software resources of a computer.

2. a set of methods of interaction of a computer program and the user of this program.

3. a set of methods for communication between programs.

4. a way of interaction of physical devices.

5. a set of instructions, stored digitally within the computer's memory

210. Software interface

1. a software program that manages the hardware and software resources of a computer.

2. a set of methods of interaction of a computer program and the user of this program.

3. a set of methods for communication between programs.

4. a way of interaction of physical devices.

5. a set of instructions, stored digitally within the computer's memory

210. Physical interface

1. a software program that manages the hardware and software resources of a computer.

2. a set of methods of interaction of a computer program and the user of this program.

3. a set of methods for communication between programs.

4. a way of interaction of physical devices.

5. a set of instructions, stored digitally within the computer's memory

Database

210. Database model:

1. Hierarchical

2. textual

3. numeric

4. indexed

5. cyclic

210. Database model:

1. textual

2. numeric

3. Network

4. indexed

5. cyclic

210. Database model:

1. textual

2. numeric

3. indexed

4. Relational

5. cyclic

231. Here the focus is on describing the stages in data processing: data collection

1. gathering raw data to process+

2. arranging and systematizing data

3. double-checking and cleaning data

4. entering data into a system

5. arranging data into table format for analysis

232.Here the focus is on describing the stages in data processing: data coding

1. gathering raw data to process,

2. arranging and systematizing+

3. double-checking and cleaning data

4. entering data into a system

5. creating categories in order to organise data into groups

233.Here the focus is on describing the stages in data processing: data validation

1. double-checking and cleaning data+

2. entering data into a system

3. arranging data into table format for analysis

4. creating categories in order to organise data into groups

5. gathering raw data to process

234.Here the focus is on describing the stages in data processing: data entry

1. gathering raw data to process

2. arranging and systematizing

3. double-checking and cleaning data

4. entering data into a system+

5. creating categories in order to organise data into groups

235.Here the focus is on describing the stages in data processing: data tabulation

1. double-checking and cleaning data

2. entering data into a system

3. arranging data into table format for analysis +

4. creating categories in order to organise data into groups

5. gathering raw data to process

236.Here the focus is on describing the stages in data processing: data sorting

1. double-checking and cleaning data

2. entering data into a system

3. arranging data into table format for analysis

4. creating categories in order to organise data into groups+

5. gathering raw data to process