One component of the internal memory of a computer is Random Access Memory (RAM).
State two characteristics of RAM.
27 questions · 64 marks · ≈ 64 min
One component of the internal memory of a computer is Random Access Memory (RAM).
State two characteristics of RAM.
For each of the following uses of data capture, name one appropriate direct data entry device.
The devices must be different in each case.
A media student is creating a movie, in school, for a project.
He needs to take the movie home to edit it.
The student intends to use a CFast solid-state memory card to transport the movie files.
The student is unable to save the work on the memory card.
Give two error messages that may appear when attempting to save the work.
Complete the sentence using the most appropriate item from the list.
| ADC | an applet |
|---|---|
| hardware | HDD |
| a router | **a sensor ** |
| software | ** SSD** |
An input device used in measurement applications is called …
Martin wants to record a message for his students. His voice will be added to the presentation. He will also need to listen to his voice to make sure the sound is of good quality.
Name two devices that he will need.
State two input devices.
| 3D printer | Actuator |
|---|---|
| CD ROM | Digital camera |
| Keyboard | Linker |
| Monitor | Speaker |
A computer-controlled glasshouse is used to grow plants.
Identify two output devices used in this glasshouse.
State two storage devices.
| Bridge | Digital camera |
|---|---|
| Magnetic tape | Linker |
| USB Memory stick | Mouse |
| Printer | Spreadsheet |
Identify two input devices which are used in computer control systems.
A computer consists of both hardware and software.
Give two examples of input devices which are part of a laptop computer.
Modern computers often do not have an optical drive.
State two ways music can be transferred onto a computer that does not contain an optical drive.
An air-conditioning system has been fitted in a hotel bedroom. The air-conditioning system will contain fans which operate at varying speeds.
Name the output device that operates the fan.
A tablet computer has input and output devices.
Give two examples of input devices which are part of a tablet computer.
Give two examples of output devices which are part of a tablet computer
State two input devices that could be used in a smartphone.
| HDD | magnetic stripe reader |
|---|---|
| microphone | mouse |
| remote control | **speaker ** |
| ** touchpad** | touch screen |
State two items that could be used to output data directly from a smartphone.
| Blu-ray disc | microphone |
|---|---|
| mouse | screen |
| SD card | sensor |
| speaker | webcam |
Tick (✓) the most appropriate storage medium that should be used in each scenario.
| Scenario | Magnetic tape (✓) | RAM (✓) | ROM (✓) |
|---|---|---|---|
| To store the current instructions in use by a computer | |||
| To back up data from a school network server | |||
| To store data temporarily | |||
| To store the start-up instructions of a computer |
State two items of internal memory from the list below:
When a person changes their password they are asked to verify that it has been entered correctly by re-entering the password.
State the direct data entry device that is used to read the following types of data.




State two solid-state storage devices from the list below:
A shopkeeper sells fruit and has created a table containing the name of the fruit, its bar code number and an image of the bar code.
Part of the table is shown.

A bar code reader is an example of a direct data entry device.
State three other examples of direct data entry devices.
Portable hard drives can be Solid State Drives (SSDs) or Hard Disk Drives (HDDs).
Explain why the SSD may be better to use than the HDD.
Many laptop computers use the cloud to store data. A technician has produced a report on his laptop computer but has stored the report on a memory stick rather than storing it on the cloud.
Describe two advantages of using a memory stick rather than the cloud to store data.
Laptop computers use Solid State Drives (SSD) rather than Hard Disc Drives (HDD).
Describe two disadvantages of using an SSD rather than an HDD in a laptop computer.
When a person changes their password they are asked to verify that it has been entered correctly by re-entering the password.
The keyboard used to enter the password is an input device.
Explain the differences between input and output devices.
State three advantages of using solid state storage devices rather than magnetic storage devices.
A shopkeeper sells fruit and has created a table containing the name of the fruit, its bar code number and an image of the bar code.
Part of the table is shown.

Describe the advantages and disadvantages of entering the data by scanning the bar code rather than typing in the number.
Desktop computers commonly use Hard Disc Drives (HDD) rather than Solid State Drives (SSD).
Describe two advantages of using an HDD rather than an SSD in a desktop computer.