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M5.6 Basic Computer Structure Cat B1

Total questions: 22

Worksheet time: 12mins

Name
Class
Date
1.
What does RAM stand for?
a)
It has lots of legs
b)
Random Access Memory
c)
Remote Access Module
d)
Remotely Accessable Memory
2.

A string of 4 binary numbers is referred to as

a)

a Byte

b)

a Nibble

c)

a Mega-Byte

d)

a Bit

e)

a Mega-Bit

3.

A string of 8 binary numbers is referred to as

a)

a Byte

b)

a Nibble

c)

a Mega-Byte

d)

a Bit

e)

a Mega-Bit

4.

What happens to the data held in volatile memory when power is removed from the device?

a)

data is lost

b)

data remains in memory

c)

data is automatically transferred to secondary storage

5.

What happens to the data held in non-volatile memory when power is removed from the device?

a)

data is lost

b)

data remains in memory

c)

data is automatically transferred to main memory

6.

Which of these devices are types of volatile memory?

a)

USB Stick

b)

Electrically Erasable Programmable Read-Only Memory (EEPROM)

c)

Solid State Drive

d)

Cache

e)

Random Access Memory (RAM)

7.

Which of these components are embedded in the CPU

a)

Dynamic RAM

b)

ALU

c)

Secondary Memory

d)

Output device

e)

Control Unit

8.

How can EPROM data be deleted?

a)
By using a magnet to erase the data
b)
By heating the chip to a high temperature
c)
By exposing the chip to strong ultraviolet light
d)
By applying a strong electric current to the chip
e)

It can't the chip has to replaced if new data is required

9.

Where would firmware normally be stored?

a)

ROM

b)

RAM

c)

Cache

d)

USB

10.

What does PROM stand for?

a)

Priority Reference-Ordered Memory

b)

Programmable Reloaded-Object Memory

c)
Programmable Read-Only Memory
d)

Priority Read-Only Memory

11.

Which of these devices are input devices?

Select all correct answers

a)

Microphone

b)

Headphones

c)

Cursor Control

d)

Monitor

e)

CPU

12.

Which of these devices are Output devices?

Select all correct answers

a)

Microphone

b)

Headphones

c)

Cursor Control

d)

Monitor

e)

CPU

13.

Which of these computers is an example of an interactive Computer?

a)

Flight Management Computer

b)

Flap/Slat Electronic Unit

c)

Electronic Engine Control Monitor

d)

Engine Indication and Crew Alerting System

e)

Inertial Reference System

14.

In a typical microcomputer, what does BIOS stand for?

a)
Basic Internal Operating System
b)
Binary Input/Output Software
c)
Built-In Output System
d)
Basic Input/Output System
15.

Which circuit within the computer contains the Arithmetic Logical Unit (ALU?)

a)
RAM
b)
Motherboard
c)

ROM

d)
CPU
16.

Which are the main parts of a computer?

a)

The Central Processing Unit (CPU) only

b)

The Control Unit (CU) only

c)

The CPU, memory, input-output ports and buses

d)

The CPU, calculation unit and memory

17.

Which are the typical types of computers used on aircraft?

a)

Digital, analogue and hybrid

b)

Digital or hybrid only

c)

Digital or analogue only

18.

How is PROM programmed?

a)

The programmer provides short bursts of electrical current that create gaps in the current path.

b)

The programmer provides a burst of electrical current to latch the flip-flops into a 1 or 0 state.

c)

The programmer erases previous memory using bursts of electrical current to latch flip-flops into a 1 or 0 state.

d)
By writing on it with a permanent marker
19.

In a Central Processing Unit (CPU), which device performs computational and logic operations?

a)
Memory Unit
b)
Input/Output Unit
c)
Control Unit
d)
Arithmetic Logic Unit (ALU)
20.

Within a Central Processing Unit, the control unit carries out what purpose?

a)
Coordinating and controlling the operations of the CPU
b)
Providing power to the CPU
c)
Displaying output on the monitor
d)
Storing data in the CPU
21.

What two buses link the memory section to the Central Processing Unit?

a)
RAM bus and ROM bus
b)
Input bus and output bus
c)
Power bus and control bus
d)
Address bus and data bus
22.

What is the main task of an Informational Computer?

a)

The main task of an informational computer is to collect data and display it in a variety of places.

b)

The main task of an informational computer is to send data and display it in a central place.

c)

The main task of an informational computer is to collect data and display it in a central place.