- The interaction of user to direct the overall activities with a computer is with the help of
(a) Software (b) Hardware
(c) Device driver (d) PAM
- Which of the following files are DOS special files?
(a) My. Exe (b) Pakistam.com
(c) Binary . Batch (d) All these
- Disk operating system are named because of the fact that they
(a)The perform operation on disks only (b) Reside on disks
(c) Need 1.4MB disk (d) Are user Friendly
- A set of detailed, sequence of instruction used to solve a problem is called a ................
(a) Program (b) Education
(c) LAN (d) GUI
- System software can be sub-divided into
(a) Service (b) Operating system
(c) Language translators (d) All these
- Prompt command is to
(a) DIR (b) EDIT
(c) PROMPT (d) Both b and c
- One application at a time is
(a) User (b) Single user
(c) DOS (d) Time-sharing
- Application software can sub-divided into
(a) Business (b) Entertainment
(c) Education (d) All these
- Prompt command is to
(a) prompt when error occur
(b) prompt the user if memory not available
(c) prompt in multi-user environment
(d) Defines DOS prompt appears on screen
- Which statement is not true for UNIX?
(a) Multitasking (b) Developed by IBM
(c) The MS version is XENIX (d) It is modified to be used by supercomputers as well
- GUI stands for
(a) Grand user Interface (b) Graphical user interface
(c) Graphic Unprimed interface (d) none of the above
- "Path\;C:\local;C:\ My" What will DOS do?
(a) Search for file in local directory. (b) Search for file in My directory
(c) Search for file in C. (d) Search for files in three directories.
- The first stored program computer allowed instructions to be entered without resetting the switches was
(a) ENIAC (b) DOS
(c) GUI (d) EDSAC
- The digital communication system that operates nationwide is
(a) DOS Shell (b) LAN
(c) Novell (d) Windows NT
- MD...\Our means
(a) Make directory in root (b) make directory in sub-directory
(c) Invalid statement (d) modify directory with file our
- "It reduces the size of stored text files". the statement is true for which of the following choices
(a) Language translator (b) Norton's editor
(c) Data compression (d) Library
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1. How many address lines are needed to address each memory location in a 2048 x 4 memory chip?
a. 10
b. 11
c. 8
d. 12
Correct Answer: b
2. The subject of cybernetics deals with the science of
a. Genetics
b. Control and communications
c. Molecular biology
d. Biochemistry
Correct Answer: b
3. who is credited with the idea of using punch cards to control patterns of a weaving machine?
a. Pascal
b. Hollerith
c. Babbage
d. Jacquard
Correct Answer: d
4. Which of the following required large computer memory?
a. Imaging
b. Graphics
c. Voice
d. All of above
Correct Answer: d
5. Who invented the microprocessor?
a. Marcian E Huff
b. Herman H Goldstein
c. Joseph Jacquard
d. All of above
Correct Answer: a
6. One computer that is not considered a portable computer is
a. Minicomputer
b. A laptop computer
c. Mini computer
d. All of the above
Correct Answer: a
7. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately
a. 16 digits
b. 6 digits
c. 9 digits
d. All of above
Correct Answer: b
8. Plotter accuracy is measured in terms of repeatability and
a. Buffer size
b. Resolution
c. Vertical dimensions
d. Intelligence
Correct Answer: b
9. Daisy wheel printer is a type of
a. Matrix primer
b. Impact printer
c. Laser printer
d. Manual printer
Correct Answer: b
10 Which of the following memories must be refreshed many times per second?
a. Static RAM
b. Dynamic RAM
c. EPROM
d. ROM
Correct Answer: b
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