Elluminet Press - Computer Systems Quiz

Computer systems are made up of hardware and software that work together. Hardware is the physical components of a computer while the software is the program the runs on the hardware. Click ‘next’ to begin…

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#1 With 2’s complement notation, a single byte can store numbers in binary between:-

-127 and 128

0 and 255

-128 and 127

1 and 255

#2 The four binary digits 1011 can be represented by the single hexadecimal digit :-“

#3 A positive number, when stored in two’s complement notation, will always :-“

Start with a binary 0

End with a binary 1

Start with a binary 1

End with a binary 0

#4 To represent a number between 0 and 255 in binary you need

Two bytes of memory, with two's complement notation

Two bytes of memory, without two's complement notation

One byte of memory, without two's complement notation

One byte of memory, with two's complement notation

#5 If a 32-bit address bus connects the CPU with RAM, this implies that :-

At most 4GB of memory can be accessed

2 bytes of data can be received at once from any address

At most 64KB of memory can be accessed

4 bytes of data can be received at once from any address

#6 Most WINDOWS applications can be terminated by pressing [ALT][F4]. This illustrates that the user-interface is :-

Consistent

Redundant

Graphical

Supportive

#7 Simplex communication means that

Messages can only pass in one direction

Two messages can pass simultaneously, but not in same direction

Messages can travel in either direction, but not at same time

Messages can travel in both directions at once

#8 To represent a number between 0 and 65536 in binary you need :-

One byte of memory, with two's complement notation

One byte of memory, without two's complement notation

Two bytes of memory, with two's complement notation

Two bytes of memory, without two's complement notation

#9 The hexadecimal digit C can be represented in binary as :-

1100

1010

1011

0010

#10 When using ASCII storage, each decimal digit is stored in :-

1 byte

4 bytes

4 bits

1 bit

#11 HTML stands for

Hypertext Modern Language

Highly Transferable Marker Language

Highly Transferable Modem Link

Hypertext Mark-up Language

#12 Data travels from RAM into the CPU via :-

Cable

Link

Bus

LAN

#13 Some windows applications give you help when you click the help item in the menu. Others give you help when you press the F1 key or when you make a mistake. This illustrates that the user interface is :-

Supportive

Redundant

Graphical

Consistent

#14 The name of the register which holds the location of a memory item being accessed is often abbreviated to

LMR

MDR

MAR

ACC

#15 Which of the following is not true of MSDOS batch files?”

Parameters may be passed from the command line

Each line of the file can contain a DOS command

Errors can be detected and messages displayed

The files must be compiled before they can be run

#16 Which of the following resources is not shared in a distributed system:-

Mouse

Software

Printer

File storage

#17 Half-duplex communication means that

Two messages can pass simultaneously, but not in same direction

Messages can travel in either direction, but not at same time

Messages can only pass in one direction

Messages can travel in both directions at once

finish

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