| 1 |
The unit that transform data in informaion is the |
CPU
ROM
DVD
OCR
|
| 2 |
The heart of the digital computer is |
control unit
memory unit
logic unit
visual display unit
|
| 3 |
During E time the ALU |
examines the instruction
enters the instruction
executes the instruction
elicits the instruction
|
| 4 |
The entire computer is coordinated by |
The ALU
the accumulator
arithmetic operators
the control unit
|
| 5 |
The central processing unit comprises of |
software,hardware,and power supply unit
software arithmetic and logic unit,and control unit
memory ,VDU and printers
input devices output devices and memory
|
| 6 |
The central processing unit comprises of |
memory ,VDU and printers
software,hardware,and power supply unit
input devices output devices and memory
software arithmetic and logic unit,and control unit
|
| 7 |
A CPU has |
control unit consisting of program counter and instruction decoded,and arithmetic unit having accumulator.
bubble memory
visual display unit
auxiliary storage unit
|
| 8 |
Data and instructions are put into primary storage by. |
memory
the control unit
secondary storage
the ALU
|
| 9 |
The complex set of electrical circuitry that executes program instructions is called the. |
register
central processing unit
accumulator
bus line
|
| 10 |
Which of the following is a Correct definition of volatile memory?.. |
It loses its contents at high ambient temperatures
Its contents are lost on failure of power supply
It has to be kept in air tight boxes always
It is the latest type of bubble memory
|
| 11 |
The function of an OP code is. |
To instruct the CPU
To translate a mnemonic
Operate the I/O devices
To act as a buffer
|
| 12 |
Desktop and personal computers are other names for. |
micro computers
mini computers
mainframes
peripheral equipment
|
| 13 |
Step-by-step instructions that run the computer are. |
hardware
documents
programs
CPUs
|
| 14 |
A bootstrap is. |
a memory device
a device to support the computer
a small initialization program to start up a computer
an error correction technique
|
| 15 |
A computer can be defined as an electronic device that can: (choose the most precise definition). |
carry out logical functions
carry out arithmetical operations
accept and process data using a set of stored instructions
present information on a VDU
|
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